Bug#804511: systemd: won't let me mount /media/dvd after plugging in a USB optical drive

Michael Gold michael at bitplane.org
Wed Nov 11 03:12:50 GMT 2015


On Mon, Nov 09, 2015 at 05:06:56 +0100, Michael Biebl wrote:
> Am 09.11.2015 um 04:49 schrieb Michael Gold:
> > On Mon, Nov 09, 2015 at 03:41:44 +0100, Michael Biebl wrote:
> >> Is the behaviour reproducible? If so, what are the exact steps?
> > 
> > It's still unmounting as soon as I mount something.  If you know of a
> > way to clear the association without rebooting, I'll see whether I can
> > get it into that state again.
> 
> Hm, I'd probably try systemctl stop media-dvd.mount and systemctl
> daemon-reload.

Thanks, that seemed to work.  I'm still trying to reproduce the problem,
but, so far, unsuccessfully.

I've noticed that the /dev/dvd symlink changes from sr0 to sr1 when the
drive is attached, which may be relevant.  And systemd first tried to
unmount the drive (and failed repeatedly) after a VFS message:
	Nov  8 17:45:00 terra kernel: [1232466.900550] VFS: busy inodes on changed media or resized disk sr1
	Nov  8 17:45:00 terra systemd[1]: Unmounting /media/dvd...
	Nov  8 17:45:00 terra umount[16978]: umount: /media/dvd: target is busy
	Nov  8 17:45:00 terra systemd[1]: media-dvd.mount: Mount process exited, code=exited status=32
	Nov  8 17:45:00 terra systemd[1]: Failed unmounting /media/dvd.
	Nov  8 17:45:00 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
	Nov  8 17:45:00 terra systemd[1]: Unmounting /media/dvd...
	...
	Nov  8 17:45:00 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device, but not stopping since we tried this too often recently.
	Nov  8 17:45:36 terra kernel: [1232502.432925] usb 4-1.6.1: USB disconnect, device number 37
	Nov  8 18:00:02 terra systemd[1]: media-dvd.mount: Unit entered failed state.

A more detailed log is attached.  I don't remember exactly what I was
doing.  In general, I was dd'ing images from disc and loopback-mounting
the files (on /media/dvd), with one direct disc-mount to grab a file I
missed.  The drive had been unplugged a few hours before I attempted
another loopback mount:
	Nov  8 20:34:33 terra kernel: [1242629.850891] UDF-fs: INFO Mounting volume 'CDROM', timestamp 2015/11/08 23:14 (1000)
	Nov  8 20:34:33 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
	Nov  8 20:34:33 terra systemd[1]: Unmounting /media/dvd...
	Nov  8 20:34:33 terra systemd[1]: Unmounted /media/dvd.
	Nov  8 20:34:33 terra systemd[1]: media-dvd.mount: Unit entered failed state.

-- Michael
-------------- next part --------------
Nov  8 09:22:45 terra kernel: [1202360.436774] usb 4-1.5: new high-speed USB device number 36 using ehci-pci
Nov  8 09:22:45 terra kernel: [1202360.529028] usb 4-1.5: New USB device found, idVendor=0424, idProduct=2514
Nov  8 09:22:45 terra kernel: [1202360.529033] usb 4-1.5: New USB device strings: Mfr=0, Product=0, SerialNumber=0
Nov  8 09:22:45 terra kernel: [1202360.529460] hub 4-1.5:1.0: USB hub found
Nov  8 09:22:45 terra kernel: [1202360.529641] hub 4-1.5:1.0: 4 ports detected
Nov  8 13:32:05 terra kernel: [1217306.479150] usb 4-1.6.1: new high-speed USB device number 37 using ehci-pci
Nov  8 13:32:05 terra kernel: [1217306.576431] usb 4-1.6.1: New USB device found, idVendor=0e8d, idProduct=1806
Nov  8 13:32:05 terra kernel: [1217306.576445] usb 4-1.6.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
Nov  8 13:32:05 terra kernel: [1217306.576448] usb 4-1.6.1: Product: MT1887 
Nov  8 13:32:05 terra kernel: [1217306.576450] usb 4-1.6.1: Manufacturer: MediaTek Inc
Nov  8 13:32:05 terra kernel: [1217306.580218] usb-storage 4-1.6.1:1.0: USB Mass Storage device detected
Nov  8 13:32:05 terra kernel: [1217306.580674] scsi host12: usb-storage 4-1.6.1:1.0
Nov  8 13:32:05 terra mtp-probe: checking bus 4, device 37: "/sys/devices/pci0000:00/0000:00:1d.0/usb4/4-1/4-1.6/4-1.6.1"
Nov  8 13:32:05 terra mtp-probe: bus: 4, device: 37 was not an MTP device
Nov  8 13:32:06 terra kernel: [1217307.580959] scsi 12:0:0:0: CD-ROM            TSSTcorp CDDVDW SE-208GB  TS00 PQ: 0 ANSI: 0
Nov  8 13:32:06 terra kernel: [1217307.612053] sr 12:0:0:0: [sr1] scsi3-mmc drive: 8x/24x writer dvd-ram cd/rw xa/form2 cdda tray
Nov  8 13:32:06 terra kernel: [1217307.612336] sr 12:0:0:0: Attached scsi CD-ROM sr1
Nov  8 13:32:06 terra kernel: [1217307.612477] sr 12:0:0:0: Attached scsi generic sg10 type 5
Nov  8 13:32:22 terra kernel: [1217323.591386] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 13:32:22 terra kernel: [1217323.591394] sr 12:0:0:0: [sr1] Sense Key : Medium Error [current] 
Nov  8 13:32:22 terra kernel: [1217323.591397] sr 12:0:0:0: [sr1] Add. Sense: L-EC uncorrectable error
Nov  8 13:32:22 terra kernel: [1217323.591401] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 05 7a 70 00 00 02 00 00 00
Nov  8 13:32:22 terra kernel: [1217323.591405] blk_update_request: critical medium error, dev sr1, sector 1436096
Nov  8 13:32:29 terra kernel: [1217330.078661] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 13:32:29 terra kernel: [1217330.078668] sr 12:0:0:0: [sr1] Sense Key : Medium Error [current] 
Nov  8 13:32:29 terra kernel: [1217330.078672] sr 12:0:0:0: [sr1] Add. Sense: L-EC uncorrectable error
Nov  8 13:32:29 terra kernel: [1217330.078676] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 05 7a 70 00 00 02 00 00 00
Nov  8 13:32:29 terra kernel: [1217330.078679] blk_update_request: critical medium error, dev sr1, sector 1436096
Nov  8 13:32:29 terra kernel: [1217330.078682] Buffer I/O error on dev sr1, logical block 179512, async page read
Nov  8 13:43:24 terra kernel: [1217984.453802] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 13:43:24 terra kernel: [1217984.453810] sr 12:0:0:0: [sr1] Sense Key : Medium Error [current] 
Nov  8 13:43:24 terra kernel: [1217984.453814] sr 12:0:0:0: [sr1] Add. Sense: L-EC uncorrectable error
Nov  8 13:43:24 terra kernel: [1217984.453818] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 05 7a 38 00 00 3a 00 00 00
Nov  8 13:43:24 terra kernel: [1217984.453821] blk_update_request: critical medium error, dev sr1, sector 1435872
Nov  8 13:43:30 terra kernel: [1217991.005647] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 13:43:30 terra kernel: [1217991.005654] sr 12:0:0:0: [sr1] Sense Key : Medium Error [current] 
Nov  8 13:43:30 terra kernel: [1217991.005658] sr 12:0:0:0: [sr1] Add. Sense: L-EC uncorrectable error
Nov  8 13:43:30 terra kernel: [1217991.005662] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 05 7a 70 00 00 02 00 00 00
Nov  8 13:43:30 terra kernel: [1217991.005666] blk_update_request: critical medium error, dev sr1, sector 1436096
Nov  8 13:43:30 terra kernel: [1217991.005670] Buffer I/O error on dev sr1, logical block 179512, async page read
Nov  8 13:44:13 terra kernel: [1218033.427481] ISO 9660 Extensions: Microsoft Joliet Level 3
Nov  8 13:44:13 terra kernel: [1218033.427526] ISO 9660 Extensions: RRIP_1991A
Nov  8 13:47:26 terra kernel: [1218226.461205] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 13:47:26 terra kernel: [1218226.461212] sr 12:0:0:0: [sr1] Sense Key : Medium Error [current] 
Nov  8 13:47:26 terra kernel: [1218226.461216] sr 12:0:0:0: [sr1] Add. Sense: L-EC uncorrectable error
Nov  8 13:47:26 terra kernel: [1218226.461220] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 05 77 40 00 00 02 00 00 00
Nov  8 13:47:26 terra kernel: [1218226.461223] blk_update_request: critical medium error, dev sr1, sector 1432832
Nov  8 13:47:34 terra kernel: [1218233.915031] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 13:47:34 terra kernel: [1218233.915038] sr 12:0:0:0: [sr1] Sense Key : Medium Error [current] 
Nov  8 13:47:34 terra kernel: [1218233.915041] sr 12:0:0:0: [sr1] Add. Sense: L-EC uncorrectable error
Nov  8 13:47:34 terra kernel: [1218233.915046] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 05 77 40 00 00 02 00 00 00
Nov  8 13:47:34 terra kernel: [1218233.915049] blk_update_request: critical medium error, dev sr1, sector 1432832
Nov  8 13:47:34 terra kernel: [1218233.915053] Buffer I/O error on dev sr1, logical block 179104, async page read
Nov  8 13:58:05 terra kernel: [1218865.201972] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 13:58:05 terra kernel: [1218865.201979] sr 12:0:0:0: [sr1] Sense Key : Medium Error [current] 
Nov  8 13:58:05 terra kernel: [1218865.201983] sr 12:0:0:0: [sr1] Add. Sense: L-EC uncorrectable error
Nov  8 13:58:05 terra kernel: [1218865.201987] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 05 77 40 00 00 02 00 00 00
Nov  8 13:58:05 terra kernel: [1218865.201990] blk_update_request: critical medium error, dev sr1, sector 1432832
Nov  8 13:58:05 terra kernel: [1218865.201994] Buffer I/O error on dev sr1, logical block 179104, async page read
Nov  8 13:58:11 terra kernel: [1218870.703426] ISO 9660 Extensions: Microsoft Joliet Level 3
Nov  8 13:58:11 terra kernel: [1218870.703453] ISO 9660 Extensions: RRIP_1991A
Nov  8 14:01:26 terra kernel: [1219065.796965] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 14:01:26 terra kernel: [1219065.796973] sr 12:0:0:0: [sr1] Sense Key : Medium Error [current] 
Nov  8 14:01:26 terra kernel: [1219065.796976] sr 12:0:0:0: [sr1] Add. Sense: L-EC uncorrectable error
Nov  8 14:01:26 terra kernel: [1219065.796980] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 05 7a 50 00 00 02 00 00 00
Nov  8 14:01:26 terra kernel: [1219065.796983] blk_update_request: critical medium error, dev sr1, sector 1435968
Nov  8 14:01:33 terra kernel: [1219072.374806] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 14:01:33 terra kernel: [1219072.374813] sr 12:0:0:0: [sr1] Sense Key : Medium Error [current] 
Nov  8 14:01:33 terra kernel: [1219072.374817] sr 12:0:0:0: [sr1] Add. Sense: L-EC uncorrectable error
Nov  8 14:01:33 terra kernel: [1219072.374821] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 05 7a 50 00 00 02 00 00 00
Nov  8 14:01:33 terra kernel: [1219072.374824] blk_update_request: critical medium error, dev sr1, sector 1435968
Nov  8 14:01:33 terra kernel: [1219072.374828] Buffer I/O error on dev sr1, logical block 179496, async page read
Nov  8 14:12:03 terra kernel: [1219701.556645] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 14:12:03 terra kernel: [1219701.556653] sr 12:0:0:0: [sr1] Sense Key : Medium Error [current] 
Nov  8 14:12:03 terra kernel: [1219701.556657] sr 12:0:0:0: [sr1] Add. Sense: L-EC uncorrectable error
Nov  8 14:12:03 terra kernel: [1219701.556661] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 05 7a 50 00 00 02 00 00 00
Nov  8 14:12:03 terra kernel: [1219701.556664] blk_update_request: critical medium error, dev sr1, sector 1435968
Nov  8 14:12:03 terra kernel: [1219701.556669] Buffer I/O error on dev sr1, logical block 179496, async page read
Nov  8 14:14:06 terra kernel: [1219825.016196] ISO 9660 Extensions: Microsoft Joliet Level 3
Nov  8 14:14:06 terra kernel: [1219825.016277] ISO 9660 Extensions: RRIP_1991A
Nov  8 14:16:35 terra kernel: [1219973.716724] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 14:16:35 terra kernel: [1219973.716732] sr 12:0:0:0: [sr1] Sense Key : Medium Error [current] 
Nov  8 14:16:35 terra kernel: [1219973.716735] sr 12:0:0:0: [sr1] Add. Sense: L-EC uncorrectable error
Nov  8 14:16:35 terra kernel: [1219973.716739] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 05 78 00 00 00 02 00 00 00
Nov  8 14:16:35 terra kernel: [1219973.716742] blk_update_request: critical medium error, dev sr1, sector 1433600
Nov  8 14:16:41 terra kernel: [1219980.203334] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 14:16:41 terra kernel: [1219980.203350] sr 12:0:0:0: [sr1] Sense Key : Medium Error [current] 
Nov  8 14:16:41 terra kernel: [1219980.203353] sr 12:0:0:0: [sr1] Add. Sense: L-EC uncorrectable error
Nov  8 14:16:41 terra kernel: [1219980.203357] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 05 78 00 00 00 02 00 00 00
Nov  8 14:16:41 terra kernel: [1219980.203360] blk_update_request: critical medium error, dev sr1, sector 1433600
Nov  8 14:16:41 terra kernel: [1219980.203365] Buffer I/O error on dev sr1, logical block 179200, async page read
Nov  8 14:27:12 terra kernel: [1220610.103083] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 14:27:12 terra kernel: [1220610.103095] sr 12:0:0:0: [sr1] Sense Key : Medium Error [current] 
Nov  8 14:27:12 terra kernel: [1220610.103098] sr 12:0:0:0: [sr1] Add. Sense: L-EC uncorrectable error
Nov  8 14:27:12 terra kernel: [1220610.103100] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 05 78 00 00 00 02 00 00 00
Nov  8 14:27:12 terra kernel: [1220610.103102] blk_update_request: critical medium error, dev sr1, sector 1433600
Nov  8 14:27:12 terra kernel: [1220610.103105] Buffer I/O error on dev sr1, logical block 179200, async page read
Nov  8 14:27:39 terra kernel: [1220636.833584] ISO 9660 Extensions: Microsoft Joliet Level 3
Nov  8 14:27:39 terra kernel: [1220636.833679] ISO 9660 Extensions: RRIP_1991A
Nov  8 14:29:35 terra kernel: [1220752.740410] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 14:29:35 terra kernel: [1220752.740425] sr 12:0:0:0: [sr1] Sense Key : Medium Error [current] 
Nov  8 14:29:35 terra kernel: [1220752.740429] sr 12:0:0:0: [sr1] Add. Sense: L-EC uncorrectable error
Nov  8 14:29:35 terra kernel: [1220752.740433] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 05 79 f0 00 00 02 00 00 00
Nov  8 14:29:35 terra kernel: [1220752.740436] blk_update_request: critical medium error, dev sr1, sector 1435584
Nov  8 14:29:41 terra kernel: [1220759.262580] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 14:29:41 terra kernel: [1220759.262587] sr 12:0:0:0: [sr1] Sense Key : Medium Error [current] 
Nov  8 14:29:41 terra kernel: [1220759.262591] sr 12:0:0:0: [sr1] Add. Sense: L-EC uncorrectable error
Nov  8 14:29:41 terra kernel: [1220759.262595] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 05 79 f0 00 00 02 00 00 00
Nov  8 14:29:41 terra kernel: [1220759.262598] blk_update_request: critical medium error, dev sr1, sector 1435584
Nov  8 14:29:41 terra kernel: [1220759.262602] Buffer I/O error on dev sr1, logical block 179448, async page read
Nov  8 14:40:16 terra kernel: [1221393.544296] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 14:40:16 terra kernel: [1221393.544302] sr 12:0:0:0: [sr1] Sense Key : Medium Error [current] 
Nov  8 14:40:16 terra kernel: [1221393.544305] sr 12:0:0:0: [sr1] Add. Sense: L-EC uncorrectable error
Nov  8 14:40:16 terra kernel: [1221393.544308] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 05 79 b8 00 00 3a 00 00 00
Nov  8 14:40:16 terra kernel: [1221393.544311] blk_update_request: critical medium error, dev sr1, sector 1435360
Nov  8 14:40:23 terra kernel: [1221400.117387] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 14:40:23 terra kernel: [1221400.117394] sr 12:0:0:0: [sr1] Sense Key : Medium Error [current] 
Nov  8 14:40:23 terra kernel: [1221400.117397] sr 12:0:0:0: [sr1] Add. Sense: L-EC uncorrectable error
Nov  8 14:40:23 terra kernel: [1221400.117401] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 05 79 f0 00 00 02 00 00 00
Nov  8 14:40:23 terra kernel: [1221400.117404] blk_update_request: critical medium error, dev sr1, sector 1435584
Nov  8 14:40:23 terra kernel: [1221400.117408] Buffer I/O error on dev sr1, logical block 179448, async page read
Nov  8 14:40:30 terra kernel: [1221407.339993] ISO 9660 Extensions: Microsoft Joliet Level 3
Nov  8 14:40:30 terra kernel: [1221407.340019] ISO 9660 Extensions: RRIP_1991A
Nov  8 14:43:28 terra kernel: [1221585.509308] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 14:43:28 terra kernel: [1221585.509315] sr 12:0:0:0: [sr1] Sense Key : Medium Error [current] 
Nov  8 14:43:28 terra kernel: [1221585.509319] sr 12:0:0:0: [sr1] Add. Sense: L-EC uncorrectable error
Nov  8 14:43:28 terra kernel: [1221585.509323] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 05 78 50 00 00 02 00 00 00
Nov  8 14:43:28 terra kernel: [1221585.509327] blk_update_request: critical medium error, dev sr1, sector 1433920
Nov  8 14:43:35 terra kernel: [1221592.002076] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 14:43:35 terra kernel: [1221592.002083] sr 12:0:0:0: [sr1] Sense Key : Medium Error [current] 
Nov  8 14:43:35 terra kernel: [1221592.002087] sr 12:0:0:0: [sr1] Add. Sense: L-EC uncorrectable error
Nov  8 14:43:35 terra kernel: [1221592.002091] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 05 78 50 00 00 02 00 00 00
Nov  8 14:43:35 terra kernel: [1221592.002094] blk_update_request: critical medium error, dev sr1, sector 1433920
Nov  8 14:43:35 terra kernel: [1221592.002098] Buffer I/O error on dev sr1, logical block 179240, async page read
Nov  8 14:54:03 terra kernel: [1222219.447994] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 14:54:03 terra kernel: [1222219.448002] sr 12:0:0:0: [sr1] Sense Key : Medium Error [current] 
Nov  8 14:54:03 terra kernel: [1222219.448005] sr 12:0:0:0: [sr1] Add. Sense: L-EC uncorrectable error
Nov  8 14:54:03 terra kernel: [1222219.448010] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 05 78 50 00 00 02 00 00 00
Nov  8 14:54:03 terra kernel: [1222219.448013] blk_update_request: critical medium error, dev sr1, sector 1433920
Nov  8 14:54:03 terra kernel: [1222219.448017] Buffer I/O error on dev sr1, logical block 179240, async page read
Nov  8 15:22:16 terra kernel: [1223910.869185] ISO 9660 Extensions: Microsoft Joliet Level 3
Nov  8 15:22:16 terra kernel: [1223910.869218] ISO 9660 Extensions: RRIP_1991A
Nov  8 15:23:00 terra kernel: [1223954.699611] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 15:23:00 terra kernel: [1223954.699618] sr 12:0:0:0: [sr1] Sense Key : Medium Error [current] 
Nov  8 15:23:00 terra kernel: [1223954.699622] sr 12:0:0:0: [sr1] Add. Sense: L-EC uncorrectable error
Nov  8 15:23:00 terra kernel: [1223954.699626] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 05 75 50 00 00 02 00 00 00
Nov  8 15:23:00 terra kernel: [1223954.699629] blk_update_request: critical medium error, dev sr1, sector 1430848
Nov  8 15:23:06 terra kernel: [1223961.186379] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 15:23:06 terra kernel: [1223961.186386] sr 12:0:0:0: [sr1] Sense Key : Medium Error [current] 
Nov  8 15:23:06 terra kernel: [1223961.186389] sr 12:0:0:0: [sr1] Add. Sense: L-EC uncorrectable error
Nov  8 15:23:06 terra kernel: [1223961.186393] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 05 75 50 00 00 02 00 00 00
Nov  8 15:23:06 terra kernel: [1223961.186396] blk_update_request: critical medium error, dev sr1, sector 1430848
Nov  8 15:23:06 terra kernel: [1223961.186400] Buffer I/O error on dev sr1, logical block 178856, async page read
Nov  8 15:33:33 terra kernel: [1224587.671506] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 15:33:33 terra kernel: [1224587.671514] sr 12:0:0:0: [sr1] Sense Key : Medium Error [current] 
Nov  8 15:33:33 terra kernel: [1224587.671517] sr 12:0:0:0: [sr1] Add. Sense: L-EC uncorrectable error
Nov  8 15:33:33 terra kernel: [1224587.671521] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 05 75 50 00 00 02 00 00 00
Nov  8 15:33:33 terra kernel: [1224587.671524] blk_update_request: critical medium error, dev sr1, sector 1430848
Nov  8 15:33:33 terra kernel: [1224587.671528] Buffer I/O error on dev sr1, logical block 178856, async page read
Nov  8 15:33:38 terra kernel: [1224592.148130] ISO 9660 Extensions: Microsoft Joliet Level 3
Nov  8 15:33:38 terra kernel: [1224592.148231] ISO 9660 Extensions: RRIP_1991A
Nov  8 15:35:20 terra kernel: [1224694.531489] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 15:35:20 terra kernel: [1224694.531496] sr 12:0:0:0: [sr1] Sense Key : Medium Error [current] 
Nov  8 15:35:20 terra kernel: [1224694.531500] sr 12:0:0:0: [sr1] Add. Sense: L-EC uncorrectable error
Nov  8 15:35:20 terra kernel: [1224694.531504] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 05 78 50 00 00 02 00 00 00
Nov  8 15:35:20 terra kernel: [1224694.531507] blk_update_request: critical medium error, dev sr1, sector 1433920
Nov  8 15:35:27 terra kernel: [1224701.030167] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 15:35:27 terra kernel: [1224701.030175] sr 12:0:0:0: [sr1] Sense Key : Medium Error [current] 
Nov  8 15:35:27 terra kernel: [1224701.030178] sr 12:0:0:0: [sr1] Add. Sense: L-EC uncorrectable error
Nov  8 15:35:27 terra kernel: [1224701.030183] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 05 78 50 00 00 02 00 00 00
Nov  8 15:35:27 terra kernel: [1224701.030186] blk_update_request: critical medium error, dev sr1, sector 1433920
Nov  8 15:35:27 terra kernel: [1224701.030190] Buffer I/O error on dev sr1, logical block 179240, async page read
Nov  8 15:35:33 terra kernel: [1224707.517714] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 15:35:33 terra kernel: [1224707.517720] sr 12:0:0:0: [sr1] Sense Key : Medium Error [current] 
Nov  8 15:35:33 terra kernel: [1224707.517724] sr 12:0:0:0: [sr1] Add. Sense: L-EC uncorrectable error
Nov  8 15:35:33 terra kernel: [1224707.517728] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 05 78 50 00 00 02 00 00 00
Nov  8 15:35:33 terra kernel: [1224707.517731] blk_update_request: critical medium error, dev sr1, sector 1433920
Nov  8 15:35:33 terra kernel: [1224707.517734] Buffer I/O error on dev sr1, logical block 179240, async page read
Nov  8 15:35:34 terra kernel: [1224708.036219] UDF-fs: warning (device sr1): udf_fill_super: No partition found (2)
Nov  8 15:35:34 terra kernel: [1224708.156580] ISO 9660 Extensions: Microsoft Joliet Level 3
Nov  8 15:35:34 terra kernel: [1224708.344445] ISO 9660 Extensions: RRIP_1991A
Nov  8 16:13:54 terra kernel: [1227005.587081] ISO 9660 Extensions: Microsoft Joliet Level 3
Nov  8 16:13:54 terra kernel: [1227005.587170] ISO 9660 Extensions: RRIP_1991A
Nov  8 16:15:42 terra kernel: [1227113.928038] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 16:15:42 terra kernel: [1227113.928045] sr 12:0:0:0: [sr1] Sense Key : Medium Error [current] 
Nov  8 16:15:42 terra kernel: [1227113.928049] sr 12:0:0:0: [sr1] Add. Sense: L-EC uncorrectable error
Nov  8 16:15:42 terra kernel: [1227113.928053] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 05 78 50 00 00 02 00 00 00
Nov  8 16:15:42 terra kernel: [1227113.928056] blk_update_request: critical medium error, dev sr1, sector 1433920
Nov  8 16:15:48 terra kernel: [1227120.423948] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 16:15:48 terra kernel: [1227120.423955] sr 12:0:0:0: [sr1] Sense Key : Medium Error [current] 
Nov  8 16:15:48 terra kernel: [1227120.423958] sr 12:0:0:0: [sr1] Add. Sense: L-EC uncorrectable error
Nov  8 16:15:48 terra kernel: [1227120.423962] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 05 78 50 00 00 02 00 00 00
Nov  8 16:15:48 terra kernel: [1227120.423965] blk_update_request: critical medium error, dev sr1, sector 1433920
Nov  8 16:15:48 terra kernel: [1227120.423969] Buffer I/O error on dev sr1, logical block 179240, async page read
Nov  8 16:26:34 terra kernel: [1227764.983748] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 16:26:34 terra kernel: [1227764.983756] sr 12:0:0:0: [sr1] Sense Key : Medium Error [current] 
Nov  8 16:26:34 terra kernel: [1227764.983760] sr 12:0:0:0: [sr1] Add. Sense: L-EC uncorrectable error
Nov  8 16:26:34 terra kernel: [1227764.983764] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 05 78 38 00 00 1a 00 00 00
Nov  8 16:26:34 terra kernel: [1227764.983767] blk_update_request: critical medium error, dev sr1, sector 1433824
Nov  8 16:26:40 terra kernel: [1227771.526602] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 16:26:40 terra kernel: [1227771.526610] sr 12:0:0:0: [sr1] Sense Key : Medium Error [current] 
Nov  8 16:26:40 terra kernel: [1227771.526614] sr 12:0:0:0: [sr1] Add. Sense: L-EC uncorrectable error
Nov  8 16:26:40 terra kernel: [1227771.526618] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 05 78 50 00 00 02 00 00 00
Nov  8 16:26:40 terra kernel: [1227771.526621] blk_update_request: critical medium error, dev sr1, sector 1433920
Nov  8 16:26:40 terra kernel: [1227771.526625] Buffer I/O error on dev sr1, logical block 179240, async page read
Nov  8 16:44:56 terra kernel: [1228866.395305] ISO 9660 Extensions: Microsoft Joliet Level 3
Nov  8 16:44:56 terra kernel: [1228866.395367] ISO 9660 Extensions: RRIP_1991A
Nov  8 16:46:47 terra kernel: [1228976.897576] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 16:46:47 terra kernel: [1228976.897583] sr 12:0:0:0: [sr1] Sense Key : Medium Error [current] 
Nov  8 16:46:47 terra kernel: [1228976.897586] sr 12:0:0:0: [sr1] Add. Sense: L-EC uncorrectable error
Nov  8 16:46:47 terra kernel: [1228976.897590] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 05 7a 30 00 00 02 00 00 00
Nov  8 16:46:47 terra kernel: [1228976.897593] blk_update_request: critical medium error, dev sr1, sector 1435840
Nov  8 16:46:53 terra kernel: [1228983.391858] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 16:46:53 terra kernel: [1228983.391866] sr 12:0:0:0: [sr1] Sense Key : Medium Error [current] 
Nov  8 16:46:53 terra kernel: [1228983.391870] sr 12:0:0:0: [sr1] Add. Sense: L-EC uncorrectable error
Nov  8 16:46:53 terra kernel: [1228983.391874] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 05 7a 30 00 00 02 00 00 00
Nov  8 16:46:53 terra kernel: [1228983.391878] blk_update_request: critical medium error, dev sr1, sector 1435840
Nov  8 16:46:53 terra kernel: [1228983.391882] Buffer I/O error on dev sr1, logical block 179480, async page read
Nov  8 16:51:33 terra kernel: [1229262.830700] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 16:51:33 terra kernel: [1229262.830708] sr 12:0:0:0: [sr1] Sense Key : Not Ready [current] 
Nov  8 16:51:33 terra kernel: [1229262.830712] sr 12:0:0:0: [sr1] Add. Sense: Medium not present - tray open
Nov  8 16:51:33 terra kernel: [1229262.830716] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 01 d4 b8 00 00 3c 00 00 00
Nov  8 16:51:33 terra kernel: [1229262.830719] blk_update_request: I/O error, dev sr1, sector 479968
Nov  8 16:51:33 terra kernel: [1229262.857536] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 16:51:33 terra kernel: [1229262.857542] sr 12:0:0:0: [sr1] Sense Key : Not Ready [current] 
Nov  8 16:51:33 terra kernel: [1229262.857545] sr 12:0:0:0: [sr1] Add. Sense: Medium not present - tray open
Nov  8 16:51:33 terra kernel: [1229262.857549] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 01 d4 f4 00 00 04 00 00 00
Nov  8 16:51:33 terra kernel: [1229262.857551] blk_update_request: I/O error, dev sr1, sector 480208
Nov  8 16:51:33 terra kernel: [1229263.147384] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 16:51:33 terra kernel: [1229263.147391] sr 12:0:0:0: [sr1] Sense Key : Not Ready [current] 
Nov  8 16:51:33 terra kernel: [1229263.147395] sr 12:0:0:0: [sr1] Add. Sense: Medium not present - tray open
Nov  8 16:51:33 terra kernel: [1229263.147399] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 01 d4 f8 00 00 3c 00 00 00
Nov  8 16:51:33 terra kernel: [1229263.147402] blk_update_request: I/O error, dev sr1, sector 480224
Nov  8 16:51:33 terra kernel: [1229263.174246] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 16:51:33 terra kernel: [1229263.174252] sr 12:0:0:0: [sr1] Sense Key : Not Ready [current] 
Nov  8 16:51:33 terra kernel: [1229263.174255] sr 12:0:0:0: [sr1] Add. Sense: Medium not present - tray open
Nov  8 16:51:33 terra kernel: [1229263.174259] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 01 d5 34 00 00 04 00 00 00
Nov  8 16:51:33 terra kernel: [1229263.174261] blk_update_request: I/O error, dev sr1, sector 480464
Nov  8 16:51:33 terra kernel: [1229263.194959] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 16:51:33 terra kernel: [1229263.194965] sr 12:0:0:0: [sr1] Sense Key : Not Ready [current] 
Nov  8 16:51:33 terra kernel: [1229263.194968] sr 12:0:0:0: [sr1] Add. Sense: Medium not present - tray open
Nov  8 16:51:33 terra kernel: [1229263.194972] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 01 d4 b8 00 00 02 00 00 00
Nov  8 16:51:33 terra kernel: [1229263.194974] blk_update_request: I/O error, dev sr1, sector 479968
Nov  8 16:51:33 terra kernel: [1229263.194979] Buffer I/O error on dev sr1, logical block 59996, async page read
Nov  8 16:52:00 terra kernel: [1229290.202246] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 16:52:00 terra kernel: [1229290.202253] sr 12:0:0:0: [sr1] Sense Key : Medium Error [current] 
Nov  8 16:52:00 terra kernel: [1229290.202257] sr 12:0:0:0: [sr1] Add. Sense: L-EC uncorrectable error
Nov  8 16:52:00 terra kernel: [1229290.202262] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 05 7a 30 00 00 02 00 00 00
Nov  8 16:52:00 terra kernel: [1229290.202265] blk_update_request: critical medium error, dev sr1, sector 1435840
Nov  8 16:52:07 terra kernel: [1229296.689102] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 16:52:07 terra kernel: [1229296.689110] sr 12:0:0:0: [sr1] Sense Key : Medium Error [current] 
Nov  8 16:52:07 terra kernel: [1229296.689114] sr 12:0:0:0: [sr1] Add. Sense: L-EC uncorrectable error
Nov  8 16:52:07 terra kernel: [1229296.689118] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 05 7a 30 00 00 02 00 00 00
Nov  8 16:52:07 terra kernel: [1229296.689121] blk_update_request: critical medium error, dev sr1, sector 1435840
Nov  8 16:52:07 terra kernel: [1229296.689125] Buffer I/O error on dev sr1, logical block 179480, async page read
Nov  8 17:02:39 terra kernel: [1229928.317543] sr 12:0:0:0: [sr1] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 17:02:39 terra kernel: [1229928.317550] sr 12:0:0:0: [sr1] Sense Key : Medium Error [current] 
Nov  8 17:02:39 terra kernel: [1229928.317553] sr 12:0:0:0: [sr1] Add. Sense: L-EC uncorrectable error
Nov  8 17:02:39 terra kernel: [1229928.317557] sr 12:0:0:0: [sr1] CDB: Read(10) 28 00 00 05 7a 30 00 00 02 00 00 00
Nov  8 17:02:39 terra kernel: [1229928.317560] blk_update_request: critical medium error, dev sr1, sector 1435840
Nov  8 17:02:39 terra kernel: [1229928.317564] Buffer I/O error on dev sr1, logical block 179480, async page read
Nov  8 17:02:54 terra kernel: [1229942.818937] ISO 9660 Extensions: Microsoft Joliet Level 3
Nov  8 17:02:54 terra kernel: [1229942.819030] ISO 9660 Extensions: RRIP_1991A
Nov  8 17:36:24 terra kernel: [1231951.357320] ISO 9660 Extensions: Microsoft Joliet Level 3
Nov  8 17:36:24 terra kernel: [1231951.357374] ISO 9660 Extensions: RRIP_1991A
Nov  8 17:39:00 terra kernel: [1232107.429009] ISO 9660 Extensions: Microsoft Joliet Level 3
Nov  8 17:39:00 terra kernel: [1232107.570399] ISO 9660 Extensions: RRIP_1991A
Nov  8 17:45:00 terra kernel: [1232466.900550] VFS: busy inodes on changed media or resized disk sr1
Nov  8 17:45:00 terra systemd[1]: Unmounting /media/dvd...
Nov  8 17:45:00 terra umount[16978]: umount: /media/dvd: target is busy
Nov  8 17:45:00 terra umount[16978]: (In some cases useful info about processes that
Nov  8 17:45:00 terra umount[16978]: use the device is found by lsof(8) or fuser(1).)
Nov  8 17:45:00 terra systemd[1]: media-dvd.mount: Mount process exited, code=exited status=32
Nov  8 17:45:00 terra systemd[1]: Failed unmounting /media/dvd.
Nov  8 17:45:00 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 17:45:00 terra systemd[1]: Unmounting /media/dvd...
Nov  8 17:45:00 terra umount[16980]: umount: /media/dvd: target is busy
Nov  8 17:45:00 terra umount[16980]: (In some cases useful info about processes that
Nov  8 17:45:00 terra umount[16980]: use the device is found by lsof(8) or fuser(1).)
Nov  8 17:45:00 terra systemd[1]: media-dvd.mount: Mount process exited, code=exited status=32
Nov  8 17:45:00 terra systemd[1]: Failed unmounting /media/dvd.
Nov  8 17:45:00 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 17:45:00 terra systemd[1]: Unmounting /media/dvd...
Nov  8 17:45:00 terra umount[16982]: umount: /media/dvd: target is busy
Nov  8 17:45:00 terra umount[16982]: (In some cases useful info about processes that
Nov  8 17:45:00 terra umount[16982]: use the device is found by lsof(8) or fuser(1).)
Nov  8 17:45:00 terra systemd[1]: media-dvd.mount: Mount process exited, code=exited status=32
Nov  8 17:45:00 terra systemd[1]: Failed unmounting /media/dvd.
Nov  8 17:45:00 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 17:45:00 terra systemd[1]: Unmounting /media/dvd...
Nov  8 17:45:00 terra umount[16984]: umount: /media/dvd: target is busy
Nov  8 17:45:00 terra umount[16984]: (In some cases useful info about processes that
Nov  8 17:45:00 terra umount[16984]: use the device is found by lsof(8) or fuser(1).)
Nov  8 17:45:00 terra systemd[1]: media-dvd.mount: Mount process exited, code=exited status=32
Nov  8 17:45:00 terra systemd[1]: Failed unmounting /media/dvd.
Nov  8 17:45:00 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 17:45:00 terra systemd[1]: Unmounting /media/dvd...
Nov  8 17:45:00 terra umount[16986]: umount: /media/dvd: target is busy
Nov  8 17:45:00 terra umount[16986]: (In some cases useful info about processes that
Nov  8 17:45:00 terra umount[16986]: use the device is found by lsof(8) or fuser(1).)
Nov  8 17:45:00 terra systemd[1]: media-dvd.mount: Mount process exited, code=exited status=32
Nov  8 17:45:00 terra systemd[1]: Failed unmounting /media/dvd.
Nov  8 17:45:00 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 17:45:00 terra systemd[1]: Unmounting /media/dvd...
Nov  8 17:45:00 terra umount[16988]: umount: /media/dvd: target is busy
Nov  8 17:45:00 terra umount[16988]: (In some cases useful info about processes that
Nov  8 17:45:00 terra umount[16988]: use the device is found by lsof(8) or fuser(1).)
Nov  8 17:45:00 terra systemd[1]: media-dvd.mount: Mount process exited, code=exited status=32
Nov  8 17:45:00 terra systemd[1]: Failed unmounting /media/dvd.
Nov  8 17:45:00 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 17:45:00 terra systemd[1]: Unmounting /media/dvd...
Nov  8 17:45:00 terra umount[16990]: umount: /media/dvd: target is busy
Nov  8 17:45:00 terra umount[16990]: (In some cases useful info about processes that
Nov  8 17:45:00 terra umount[16990]: use the device is found by lsof(8) or fuser(1).)
Nov  8 17:45:00 terra systemd[1]: media-dvd.mount: Mount process exited, code=exited status=32
Nov  8 17:45:00 terra systemd[1]: Failed unmounting /media/dvd.
Nov  8 17:45:00 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 17:45:00 terra systemd[1]: Unmounting /media/dvd...
Nov  8 17:45:00 terra umount[16992]: umount: /media/dvd: target is busy
Nov  8 17:45:00 terra umount[16992]: (In some cases useful info about processes that
Nov  8 17:45:00 terra umount[16992]: use the device is found by lsof(8) or fuser(1).)
Nov  8 17:45:00 terra systemd[1]: media-dvd.mount: Mount process exited, code=exited status=32
Nov  8 17:45:00 terra systemd[1]: Failed unmounting /media/dvd.
Nov  8 17:45:00 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 17:45:00 terra systemd[1]: Unmounting /media/dvd...
Nov  8 17:45:00 terra umount[16994]: umount: /media/dvd: target is busy
Nov  8 17:45:00 terra umount[16994]: (In some cases useful info about processes that
Nov  8 17:45:00 terra umount[16994]: use the device is found by lsof(8) or fuser(1).)
Nov  8 17:45:00 terra systemd[1]: media-dvd.mount: Mount process exited, code=exited status=32
Nov  8 17:45:00 terra systemd[1]: Failed unmounting /media/dvd.
Nov  8 17:45:00 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 17:45:00 terra systemd[1]: Unmounting /media/dvd...
Nov  8 17:45:00 terra umount[16996]: umount: /media/dvd: target is busy
Nov  8 17:45:00 terra umount[16996]: (In some cases useful info about processes that
Nov  8 17:45:00 terra umount[16996]: use the device is found by lsof(8) or fuser(1).)
Nov  8 17:45:00 terra systemd[1]: media-dvd.mount: Mount process exited, code=exited status=32
Nov  8 17:45:00 terra systemd[1]: Failed unmounting /media/dvd.
Nov  8 17:45:00 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 17:45:00 terra systemd[1]: Unmounting /media/dvd...
Nov  8 17:45:00 terra umount[16998]: umount: /media/dvd: target is busy
Nov  8 17:45:00 terra umount[16998]: (In some cases useful info about processes that
Nov  8 17:45:00 terra umount[16998]: use the device is found by lsof(8) or fuser(1).)
Nov  8 17:45:00 terra systemd[1]: media-dvd.mount: Mount process exited, code=exited status=32
Nov  8 17:45:00 terra systemd[1]: Failed unmounting /media/dvd.
Nov  8 17:45:00 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 17:45:00 terra systemd[1]: Unmounting /media/dvd...
Nov  8 17:45:00 terra umount[17000]: umount: /media/dvd: target is busy
Nov  8 17:45:00 terra umount[17000]: (In some cases useful info about processes that
Nov  8 17:45:00 terra umount[17000]: use the device is found by lsof(8) or fuser(1).)
Nov  8 17:45:00 terra systemd[1]: media-dvd.mount: Mount process exited, code=exited status=32
Nov  8 17:45:00 terra systemd[1]: Failed unmounting /media/dvd.
Nov  8 17:45:00 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 17:45:00 terra systemd[1]: Unmounting /media/dvd...
Nov  8 17:45:00 terra umount[17002]: umount: /media/dvd: target is busy
Nov  8 17:45:00 terra umount[17002]: (In some cases useful info about processes that
Nov  8 17:45:00 terra umount[17002]: use the device is found by lsof(8) or fuser(1).)
Nov  8 17:45:00 terra systemd[1]: media-dvd.mount: Mount process exited, code=exited status=32
Nov  8 17:45:00 terra systemd[1]: Failed unmounting /media/dvd.
Nov  8 17:45:00 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 17:45:00 terra systemd[1]: Unmounting /media/dvd...
Nov  8 17:45:00 terra umount[17004]: umount: /media/dvd: target is busy
Nov  8 17:45:00 terra umount[17004]: (In some cases useful info about processes that
Nov  8 17:45:00 terra umount[17004]: use the device is found by lsof(8) or fuser(1).)
Nov  8 17:45:00 terra systemd[1]: media-dvd.mount: Mount process exited, code=exited status=32
Nov  8 17:45:00 terra systemd[1]: Failed unmounting /media/dvd.
Nov  8 17:45:00 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 17:45:00 terra systemd[1]: Unmounting /media/dvd...
Nov  8 17:45:00 terra umount[17006]: umount: /media/dvd: target is busy
Nov  8 17:45:00 terra umount[17006]: (In some cases useful info about processes that
Nov  8 17:45:00 terra umount[17006]: use the device is found by lsof(8) or fuser(1).)
Nov  8 17:45:00 terra systemd[1]: media-dvd.mount: Mount process exited, code=exited status=32
Nov  8 17:45:00 terra systemd[1]: Failed unmounting /media/dvd.
Nov  8 17:45:00 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 17:45:00 terra systemd[1]: Unmounting /media/dvd...
Nov  8 17:45:00 terra umount[17008]: umount: /media/dvd: target is busy
Nov  8 17:45:00 terra umount[17008]: (In some cases useful info about processes that
Nov  8 17:45:00 terra umount[17008]: use the device is found by lsof(8) or fuser(1).)
Nov  8 17:45:00 terra systemd[1]: media-dvd.mount: Mount process exited, code=exited status=32
Nov  8 17:45:00 terra systemd[1]: Failed unmounting /media/dvd.
Nov  8 17:45:00 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 17:45:00 terra systemd[1]: Unmounting /media/dvd...
Nov  8 17:45:00 terra umount[17010]: umount: /media/dvd: target is busy
Nov  8 17:45:00 terra umount[17010]: (In some cases useful info about processes that
Nov  8 17:45:00 terra umount[17010]: use the device is found by lsof(8) or fuser(1).)
Nov  8 17:45:00 terra systemd[1]: media-dvd.mount: Mount process exited, code=exited status=32
Nov  8 17:45:00 terra systemd[1]: Failed unmounting /media/dvd.
Nov  8 17:45:00 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device, but not stopping since we tried this too often recently.
Nov  8 17:45:36 terra kernel: [1232502.432925] usb 4-1.6.1: USB disconnect, device number 37
Nov  8 18:00:02 terra systemd[1]: media-dvd.mount: Unit entered failed state.
Nov  8 20:34:33 terra kernel: [1242629.849737] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
Nov  8 20:34:33 terra kernel: [1242629.849743] UDF-fs: Rescanning with blocksize 2048
Nov  8 20:34:33 terra kernel: [1242629.850544] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
Nov  8 20:34:33 terra kernel: [1242629.850548] UDF-fs: Rescanning with blocksize 2048
Nov  8 20:34:33 terra kernel: [1242629.850891] UDF-fs: INFO Mounting volume 'CDROM', timestamp 2015/11/08 23:14 (1000)
Nov  8 20:34:33 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 20:34:33 terra systemd[1]: Unmounting /media/dvd...
Nov  8 20:34:33 terra systemd[1]: Unmounted /media/dvd.
Nov  8 20:34:33 terra systemd[1]: media-dvd.mount: Unit entered failed state.
Nov  8 20:34:44 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 20:34:44 terra systemd[1]: Unmounting /media/dvd...
Nov  8 20:34:44 terra systemd[1]: Unmounted /media/dvd.
Nov  8 20:34:44 terra systemd[1]: media-dvd.mount: Unit entered failed state.
Nov  8 20:34:55 terra kernel: [1242652.028507] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
Nov  8 20:34:55 terra kernel: [1242652.028512] UDF-fs: Rescanning with blocksize 2048
Nov  8 20:34:55 terra kernel: [1242652.029250] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
Nov  8 20:34:55 terra kernel: [1242652.029254] UDF-fs: Rescanning with blocksize 2048
Nov  8 20:34:55 terra kernel: [1242652.029515] UDF-fs: INFO Mounting volume 'CDROM', timestamp 2015/11/08 23:14 (1000)
Nov  8 20:34:55 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 20:34:55 terra systemd[1]: Unmounting /media/dvd...
Nov  8 20:34:55 terra systemd[1]: Unmounted /media/dvd.
Nov  8 20:34:55 terra systemd[1]: media-dvd.mount: Unit entered failed state.
Nov  8 20:35:01 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 20:35:01 terra systemd[1]: Unmounting /media/dvd...
Nov  8 20:35:01 terra umount[22653]: umount: /media/dvd: target is busy
Nov  8 20:35:01 terra umount[22653]: (In some cases useful info about processes that
Nov  8 20:35:01 terra umount[22653]: use the device is found by lsof(8) or fuser(1).)
Nov  8 20:35:01 terra systemd[1]: media-dvd.mount: Mount process exited, code=exited status=32
Nov  8 20:35:01 terra systemd[1]: Failed unmounting /media/dvd.
Nov  8 20:35:01 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 20:35:01 terra systemd[1]: Unmounting /media/dvd...
Nov  8 20:35:01 terra umount[22655]: umount: /media/dvd: target is busy
Nov  8 20:35:01 terra umount[22655]: (In some cases useful info about processes that
Nov  8 20:35:01 terra umount[22655]: use the device is found by lsof(8) or fuser(1).)
Nov  8 20:35:01 terra systemd[1]: media-dvd.mount: Mount process exited, code=exited status=32
Nov  8 20:35:01 terra systemd[1]: Failed unmounting /media/dvd.
Nov  8 20:35:01 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 20:35:01 terra systemd[1]: Unmounting /media/dvd...
Nov  8 20:35:01 terra umount[22657]: umount: /media/dvd: target is busy
Nov  8 20:35:01 terra umount[22657]: (In some cases useful info about processes that
Nov  8 20:35:01 terra umount[22657]: use the device is found by lsof(8) or fuser(1).)
Nov  8 20:35:01 terra systemd[1]: media-dvd.mount: Mount process exited, code=exited status=32
Nov  8 20:35:01 terra systemd[1]: Failed unmounting /media/dvd.
Nov  8 20:35:01 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 20:35:01 terra systemd[1]: Unmounting /media/dvd...
Nov  8 20:35:01 terra umount[22659]: umount: /media/dvd: target is busy
Nov  8 20:35:01 terra umount[22659]: (In some cases useful info about processes that
Nov  8 20:35:01 terra umount[22659]: use the device is found by lsof(8) or fuser(1).)
Nov  8 20:35:01 terra systemd[1]: media-dvd.mount: Mount process exited, code=exited status=32
Nov  8 20:35:01 terra systemd[1]: Failed unmounting /media/dvd.
Nov  8 20:35:01 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 20:35:01 terra systemd[1]: Unmounting /media/dvd...
Nov  8 20:35:01 terra umount[22661]: umount: /media/dvd: target is busy
Nov  8 20:35:01 terra umount[22661]: (In some cases useful info about processes that
Nov  8 20:35:01 terra umount[22661]: use the device is found by lsof(8) or fuser(1).)
Nov  8 20:35:01 terra systemd[1]: media-dvd.mount: Mount process exited, code=exited status=32
Nov  8 20:35:01 terra systemd[1]: Failed unmounting /media/dvd.
Nov  8 20:35:01 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 20:35:01 terra systemd[1]: Unmounting /media/dvd...
Nov  8 20:35:01 terra umount[22663]: umount: /media/dvd: target is busy
Nov  8 20:35:01 terra umount[22663]: (In some cases useful info about processes that
Nov  8 20:35:01 terra umount[22663]: use the device is found by lsof(8) or fuser(1).)
Nov  8 20:35:01 terra systemd[1]: media-dvd.mount: Mount process exited, code=exited status=32
Nov  8 20:35:01 terra systemd[1]: Failed unmounting /media/dvd.
Nov  8 20:35:01 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 20:35:01 terra systemd[1]: Unmounting /media/dvd...
Nov  8 20:35:01 terra umount[22665]: umount: /media/dvd: target is busy
Nov  8 20:35:01 terra umount[22665]: (In some cases useful info about processes that
Nov  8 20:35:01 terra umount[22665]: use the device is found by lsof(8) or fuser(1).)
Nov  8 20:35:01 terra systemd[1]: media-dvd.mount: Mount process exited, code=exited status=32
Nov  8 20:35:01 terra systemd[1]: Failed unmounting /media/dvd.
Nov  8 20:35:01 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 20:35:01 terra systemd[1]: Unmounting /media/dvd...
Nov  8 20:35:01 terra umount[22667]: umount: /media/dvd: target is busy
Nov  8 20:35:01 terra umount[22667]: (In some cases useful info about processes that
Nov  8 20:35:01 terra umount[22667]: use the device is found by lsof(8) or fuser(1).)
Nov  8 20:35:01 terra systemd[1]: media-dvd.mount: Mount process exited, code=exited status=32
Nov  8 20:35:01 terra systemd[1]: Failed unmounting /media/dvd.
Nov  8 20:35:01 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 20:35:01 terra systemd[1]: Unmounting /media/dvd...
Nov  8 20:35:01 terra umount[22669]: umount: /media/dvd: target is busy
Nov  8 20:35:01 terra umount[22669]: (In some cases useful info about processes that
Nov  8 20:35:01 terra umount[22669]: use the device is found by lsof(8) or fuser(1).)
Nov  8 20:35:01 terra systemd[1]: media-dvd.mount: Mount process exited, code=exited status=32
Nov  8 20:35:01 terra systemd[1]: Failed unmounting /media/dvd.
Nov  8 20:35:01 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 20:35:01 terra systemd[1]: Unmounting /media/dvd...
Nov  8 20:35:01 terra umount[22671]: umount: /media/dvd: target is busy
Nov  8 20:35:01 terra umount[22671]: (In some cases useful info about processes that
Nov  8 20:35:01 terra umount[22671]: use the device is found by lsof(8) or fuser(1).)
Nov  8 20:35:01 terra systemd[1]: media-dvd.mount: Mount process exited, code=exited status=32
Nov  8 20:35:01 terra systemd[1]: Failed unmounting /media/dvd.
Nov  8 20:35:01 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 20:35:01 terra systemd[1]: Unmounting /media/dvd...
Nov  8 20:35:01 terra umount[22673]: umount: /media/dvd: target is busy
Nov  8 20:35:01 terra umount[22673]: (In some cases useful info about processes that
Nov  8 20:35:01 terra umount[22673]: use the device is found by lsof(8) or fuser(1).)
Nov  8 20:35:01 terra systemd[1]: media-dvd.mount: Mount process exited, code=exited status=32
Nov  8 20:35:01 terra systemd[1]: Failed unmounting /media/dvd.
Nov  8 20:35:01 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 20:35:01 terra systemd[1]: Unmounting /media/dvd...
Nov  8 20:35:01 terra umount[22675]: umount: /media/dvd: target is busy
Nov  8 20:35:01 terra umount[22675]: (In some cases useful info about processes that
Nov  8 20:35:01 terra umount[22675]: use the device is found by lsof(8) or fuser(1).)
Nov  8 20:35:01 terra systemd[1]: media-dvd.mount: Mount process exited, code=exited status=32
Nov  8 20:35:01 terra systemd[1]: Failed unmounting /media/dvd.
Nov  8 20:35:01 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 20:35:01 terra systemd[1]: Unmounting /media/dvd...
Nov  8 20:35:01 terra umount[22677]: umount: /media/dvd: target is busy
Nov  8 20:35:01 terra umount[22677]: (In some cases useful info about processes that
Nov  8 20:35:01 terra umount[22677]: use the device is found by lsof(8) or fuser(1).)
Nov  8 20:35:01 terra systemd[1]: media-dvd.mount: Mount process exited, code=exited status=32
Nov  8 20:35:01 terra systemd[1]: Failed unmounting /media/dvd.
Nov  8 20:35:01 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 20:35:01 terra systemd[1]: Unmounting /media/dvd...
Nov  8 20:35:01 terra umount[22679]: umount: /media/dvd: target is busy
Nov  8 20:35:01 terra umount[22679]: (In some cases useful info about processes that
Nov  8 20:35:01 terra umount[22679]: use the device is found by lsof(8) or fuser(1).)
Nov  8 20:35:01 terra systemd[1]: media-dvd.mount: Mount process exited, code=exited status=32
Nov  8 20:35:01 terra systemd[1]: Failed unmounting /media/dvd.
Nov  8 20:35:01 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 20:35:01 terra systemd[1]: Unmounting /media/dvd...
Nov  8 20:35:01 terra umount[22681]: umount: /media/dvd: target is busy
Nov  8 20:35:01 terra umount[22681]: (In some cases useful info about processes that
Nov  8 20:35:01 terra umount[22681]: use the device is found by lsof(8) or fuser(1).)
Nov  8 20:35:01 terra systemd[1]: media-dvd.mount: Mount process exited, code=exited status=32
Nov  8 20:35:01 terra systemd[1]: Failed unmounting /media/dvd.
Nov  8 20:35:01 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device, but not stopping since we tried this too often recently.
Nov  8 20:36:46 terra systemd[1]: media-dvd.mount: Unit entered failed state.
Nov  8 20:36:55 terra kernel: [1242772.190846] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
Nov  8 20:36:55 terra kernel: [1242772.190851] UDF-fs: Rescanning with blocksize 2048
Nov  8 20:36:55 terra kernel: [1242772.191525] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
Nov  8 20:36:55 terra kernel: [1242772.191528] UDF-fs: Rescanning with blocksize 2048
Nov  8 20:36:55 terra kernel: [1242772.191738] UDF-fs: INFO Mounting volume 'CDROM', timestamp 2015/11/08 23:14 (1000)
Nov  8 20:36:55 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 20:36:55 terra systemd[1]: Unmounting /media/dvd...
Nov  8 20:36:55 terra systemd[1]: Unmounted /media/dvd.
Nov  8 20:36:55 terra systemd[1]: media-dvd.mount: Unit entered failed state.
Nov  8 20:38:15 terra kernel: [1242851.777106] UDF-fs: error (device sr0): udf_read_tagged: read failed, block=256, location=256
Nov  8 20:38:15 terra kernel: [1242851.789035] sr 4:0:0:0: [sr0] tag#20 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 20:38:15 terra kernel: [1242851.789041] sr 4:0:0:0: [sr0] tag#20 Sense Key : Blank Check [current] 
Nov  8 20:38:15 terra kernel: [1242851.789045] sr 4:0:0:0: [sr0] tag#20 Add. Sense: No additional sense information
Nov  8 20:38:15 terra kernel: [1242851.789049] sr 4:0:0:0: [sr0] tag#20 CDB: Read(10) 28 00 00 00 00 00 00 00 01 00
Nov  8 20:38:15 terra kernel: [1242851.789052] blk_update_request: I/O error, dev sr0, sector 0
Nov  8 20:38:15 terra kernel: [1242851.789099] UDF-fs: error (device sr0): udf_read_tagged: read failed, block=0, location=0
Nov  8 20:38:15 terra kernel: [1242851.789109] UDF-fs: error (device sr0): udf_read_tagged: read failed, block=512, location=512
Nov  8 20:38:15 terra kernel: [1242851.801559] sr 4:0:0:0: [sr0] tag#21 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 20:38:15 terra kernel: [1242851.801565] sr 4:0:0:0: [sr0] tag#21 Sense Key : Blank Check [current] 
Nov  8 20:38:15 terra kernel: [1242851.801568] sr 4:0:0:0: [sr0] tag#21 Add. Sense: No additional sense information
Nov  8 20:38:15 terra kernel: [1242851.801572] sr 4:0:0:0: [sr0] tag#21 CDB: Read(10) 28 00 00 00 00 00 00 00 01 00
Nov  8 20:38:15 terra kernel: [1242851.801574] blk_update_request: I/O error, dev sr0, sector 0
Nov  8 20:38:15 terra kernel: [1242851.801624] UDF-fs: error (device sr0): udf_read_tagged: read failed, block=0, location=0
Nov  8 20:38:15 terra kernel: [1242851.817006] sr 4:0:0:0: [sr0] tag#22 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Nov  8 20:38:15 terra kernel: [1242851.817012] sr 4:0:0:0: [sr0] tag#22 Sense Key : Blank Check [current] 
Nov  8 20:38:15 terra kernel: [1242851.817015] sr 4:0:0:0: [sr0] tag#22 Add. Sense: No additional sense information
Nov  8 20:38:15 terra kernel: [1242851.817019] sr 4:0:0:0: [sr0] tag#22 CDB: Read(10) 28 00 00 00 00 00 00 00 01 00
Nov  8 20:38:15 terra kernel: [1242851.817021] blk_update_request: I/O error, dev sr0, sector 0
Nov  8 20:38:15 terra kernel: [1242851.817067] UDF-fs: error (device sr0): udf_read_tagged: read failed, block=0, location=0
Nov  8 20:38:15 terra kernel: [1242851.817072] UDF-fs: warning (device sr0): udf_fill_super: No partition found (1)
Nov  8 20:38:15 terra kernel: [1242851.826210] isofs_fill_super: bread failed, dev=sr0, iso_blknum=16, block=16
Nov  8 20:38:37 terra kernel: [1242873.729008] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
Nov  8 20:38:37 terra kernel: [1242873.729013] UDF-fs: Rescanning with blocksize 2048
Nov  8 20:38:37 terra kernel: [1242873.729759] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
Nov  8 20:38:37 terra kernel: [1242873.729762] UDF-fs: Rescanning with blocksize 2048
Nov  8 20:38:37 terra kernel: [1242873.730029] UDF-fs: INFO Mounting volume 'CDROM', timestamp 2015/11/08 23:14 (1000)
Nov  8 20:38:37 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 20:38:37 terra systemd[1]: Unmounting /media/dvd...
Nov  8 20:38:37 terra systemd[1]: Unmounted /media/dvd.
Nov  8 20:38:37 terra systemd[1]: media-dvd.mount: Unit entered failed state.
Nov  8 20:38:41 terra kernel: [1242878.304437] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
Nov  8 20:38:41 terra kernel: [1242878.304442] UDF-fs: Rescanning with blocksize 2048
Nov  8 20:38:41 terra kernel: [1242878.305283] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
Nov  8 20:38:41 terra kernel: [1242878.305288] UDF-fs: Rescanning with blocksize 2048
Nov  8 20:38:41 terra kernel: [1242878.305559] UDF-fs: INFO Mounting volume 'CDROM', timestamp 2015/11/08 23:14 (1000)
Nov  8 20:38:41 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 20:38:41 terra systemd[1]: Unmounting /media/dvd...
Nov  8 20:38:41 terra systemd[1]: Unmounted /media/dvd.
Nov  8 20:38:41 terra systemd[1]: media-dvd.mount: Unit entered failed state.
Nov  8 20:39:29 terra kernel: [1242925.747320] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
Nov  8 20:39:29 terra kernel: [1242925.747326] UDF-fs: Rescanning with blocksize 2048
Nov  8 20:39:29 terra kernel: [1242925.748168] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
Nov  8 20:39:29 terra kernel: [1242925.748173] UDF-fs: Rescanning with blocksize 2048
Nov  8 20:39:29 terra kernel: [1242925.748412] UDF-fs: INFO Mounting volume 'CDROM', timestamp 2015/11/08 23:14 (1000)
Nov  8 20:39:29 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 20:39:29 terra systemd[1]: Unmounting /media/dvd...
Nov  8 20:39:29 terra systemd[1]: Unmounted /media/dvd.
Nov  8 20:39:29 terra systemd[1]: media-dvd.mount: Unit entered failed state.
Nov  8 20:39:59 terra kernel: [1242955.539256] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
Nov  8 20:39:59 terra kernel: [1242955.539260] UDF-fs: Rescanning with blocksize 2048
Nov  8 20:39:59 terra kernel: [1242955.540158] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
Nov  8 20:39:59 terra kernel: [1242955.540161] UDF-fs: Rescanning with blocksize 2048
Nov  8 20:39:59 terra kernel: [1242955.540502] UDF-fs: INFO Mounting volume 'CDROM', timestamp 2015/11/08 23:14 (1000)
Nov  8 20:39:59 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 20:39:59 terra systemd[1]: Unmounting /media/dvd...
Nov  8 20:39:59 terra systemd[1]: Unmounted /media/dvd.
Nov  8 20:39:59 terra systemd[1]: media-dvd.mount: Unit entered failed state.
Nov  8 20:40:28 terra kernel: [1242984.277402] ISO 9660 Extensions: Microsoft Joliet Level 3
Nov  8 20:40:28 terra kernel: [1242984.277633] ISO 9660 Extensions: RRIP_1991A
Nov  8 20:40:28 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 20:40:28 terra systemd[1]: Unmounting /media/dvd...
Nov  8 20:40:28 terra systemd[1]: Unmounted /media/dvd.
Nov  8 20:40:28 terra systemd[1]: media-dvd.mount: Unit entered failed state.
Nov  8 20:40:51 terra kernel: [1243007.248232] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
Nov  8 20:40:51 terra kernel: [1243007.248238] UDF-fs: Rescanning with blocksize 2048
Nov  8 20:40:51 terra kernel: [1243007.249000] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
Nov  8 20:40:51 terra kernel: [1243007.249003] UDF-fs: Rescanning with blocksize 2048
Nov  8 20:40:51 terra kernel: [1243007.249256] UDF-fs: INFO Mounting volume 'CDROM', timestamp 2015/11/08 23:14 (1000)
Nov  8 20:40:51 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 20:40:51 terra systemd[1]: Unmounting /media/dvd...
Nov  8 20:40:51 terra systemd[1]: Unmounted /media/dvd.
Nov  8 20:40:51 terra systemd[1]: media-dvd.mount: Unit entered failed state.
Nov  8 20:41:39 terra kernel: [1243055.606167] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
Nov  8 20:41:39 terra kernel: [1243055.606171] UDF-fs: Rescanning with blocksize 2048
Nov  8 20:41:39 terra kernel: [1243055.606912] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
Nov  8 20:41:39 terra kernel: [1243055.606915] UDF-fs: Rescanning with blocksize 2048
Nov  8 20:41:39 terra kernel: [1243055.607132] UDF-fs: INFO Mounting volume 'CDROM', timestamp 2015/11/08 23:14 (1000)
Nov  8 20:41:39 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 20:41:39 terra systemd[1]: Unmounting /media/dvd...
Nov  8 20:41:39 terra systemd[1]: Unmounted /media/dvd.
Nov  8 20:41:39 terra systemd[1]: media-dvd.mount: Unit entered failed state.
Nov  8 20:43:06 terra kernel: [1243142.304444] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
Nov  8 20:43:06 terra kernel: [1243142.304449] UDF-fs: Rescanning with blocksize 2048
Nov  8 20:43:06 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 20:43:06 terra kernel: [1243142.307417] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
Nov  8 20:43:06 terra kernel: [1243142.307420] UDF-fs: Rescanning with blocksize 2048
Nov  8 20:43:06 terra kernel: [1243142.308394] UDF-fs: INFO Mounting volume 'CDROM', timestamp 2015/11/08 23:14 (1000)
Nov  8 20:43:06 terra systemd[1]: Unmounting /media/dvd...
Nov  8 20:43:06 terra systemd[1]: Unmounted /media/dvd.
Nov  8 20:43:06 terra systemd[1]: media-dvd.mount: Unit entered failed state.
Nov  8 20:43:49 terra kernel: [1243185.354813] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
Nov  8 20:43:49 terra kernel: [1243185.354818] UDF-fs: Rescanning with blocksize 2048
Nov  8 20:43:49 terra kernel: [1243185.479787] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
Nov  8 20:43:49 terra kernel: [1243185.479792] UDF-fs: Rescanning with blocksize 2048
Nov  8 20:43:49 terra kernel: [1243185.480106] UDF-fs: INFO Mounting volume 'CDROM', timestamp 2015/11/08 23:14 (1000)
Nov  8 20:43:49 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 20:43:49 terra systemd[1]: Unmounting /media/dvd...
Nov  8 20:43:49 terra systemd[1]: Unmounted /media/dvd.
Nov  8 20:43:49 terra systemd[1]: media-dvd.mount: Unit entered failed state.
Nov  8 20:47:46 terra kernel: [1243421.866713] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
Nov  8 20:47:46 terra kernel: [1243421.866718] UDF-fs: Rescanning with blocksize 2048
Nov  8 20:47:46 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 20:47:46 terra kernel: [1243421.887224] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
Nov  8 20:47:46 terra kernel: [1243421.887228] UDF-fs: Rescanning with blocksize 2048
Nov  8 20:47:46 terra kernel: [1243421.887674] UDF-fs: INFO Mounting volume 'CDROM', timestamp 2015/11/08 23:14 (1000)
Nov  8 20:47:46 terra systemd[1]: Unmounting /media/dvd...
Nov  8 20:47:46 terra systemd[1]: Unmounted /media/dvd.
Nov  8 20:47:46 terra systemd[1]: media-dvd.mount: Unit entered failed state.
Nov  8 20:48:41 terra kernel: [1243477.226045] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
Nov  8 20:48:41 terra kernel: [1243477.226049] UDF-fs: Rescanning with blocksize 2048
Nov  8 20:48:41 terra kernel: [1243477.226978] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
Nov  8 20:48:41 terra kernel: [1243477.226982] UDF-fs: Rescanning with blocksize 2048
Nov  8 20:48:41 terra kernel: [1243477.227220] UDF-fs: INFO Mounting volume 'CDROM', timestamp 2015/11/08 23:14 (1000)
Nov  8 20:48:41 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 20:48:41 terra systemd[1]: Unmounting /media/dvd...
Nov  8 20:48:41 terra systemd[1]: Unmounted /media/dvd.
Nov  8 20:48:41 terra systemd[1]: media-dvd.mount: Unit entered failed state.
Nov  8 20:48:51 terra kernel: [1243487.091323] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
Nov  8 20:48:51 terra kernel: [1243487.091328] UDF-fs: Rescanning with blocksize 2048
Nov  8 20:48:51 terra kernel: [1243487.092175] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
Nov  8 20:48:51 terra kernel: [1243487.092178] UDF-fs: Rescanning with blocksize 2048
Nov  8 20:48:51 terra kernel: [1243487.092570] UDF-fs: INFO Mounting volume 'CDROM', timestamp 2015/11/08 23:14 (1000)
Nov  8 20:48:51 terra systemd[1]: media-dvd.mount: Unit is bound to inactive unit dev-sr1.device. Stopping, too.
Nov  8 20:48:51 terra systemd[1]: Unmounting /media/dvd...
Nov  8 20:48:51 terra systemd[1]: Unmounted /media/dvd.
Nov  8 20:48:51 terra systemd[1]: media-dvd.mount: Unit entered failed state.
Nov  8 20:51:33 terra kernel: [1243648.954865] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
Nov  8 20:51:33 terra kernel: [1243648.954869] UDF-fs: Rescanning with blocksize 2048
Nov  8 20:51:33 terra kernel: [1243648.955696] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
Nov  8 20:51:33 terra kernel: [1243648.955700] UDF-fs: Rescanning with blocksize 2048
Nov  8 20:51:33 terra kernel: [1243648.955941] UDF-fs: INFO Mounting volume 'CDROM', timestamp 2015/11/08 23:14 (1000)
Nov  8 22:39:26 terra kernel: [1250116.061314] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
Nov  8 22:39:26 terra kernel: [1250116.061319] UDF-fs: Rescanning with blocksize 2048
Nov  8 22:39:26 terra kernel: [1250116.062112] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
Nov  8 22:39:26 terra kernel: [1250116.062116] UDF-fs: Rescanning with blocksize 2048
Nov  8 22:39:26 terra kernel: [1250116.062427] UDF-fs: INFO Mounting volume 'CDROM', timestamp 2015/11/09 02:41 (1000)
Nov  8 22:39:29 terra kernel: [1250119.098147] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
Nov  8 22:39:29 terra kernel: [1250119.098152] UDF-fs: Rescanning with blocksize 2048
Nov  8 22:39:29 terra kernel: [1250119.098921] UDF-fs: warning (device loop0): udf_load_vrs: No anchor found
Nov  8 22:39:29 terra kernel: [1250119.098924] UDF-fs: Rescanning with blocksize 2048
Nov  8 22:39:29 terra kernel: [1250119.099161] UDF-fs: INFO Mounting volume 'CDROM', timestamp 2015/11/09 02:41 (1000)
Nov  8 23:49:06 terra kernel: [1254291.553108] usb 4-1.5: USB disconnect, device number 36
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