Bug#998718: Brasero fails (on Testing) burning an ISO image on a CD-RW

[Mauro Sacchetto]

thanx for your quick reply

dmesg tell me:

=====================================================

[23315.697087] sr 5:0:0:0: [sr0] tag#16 FAILED Result: 
hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK cmd_age=0s
[23315.697092] sr 5:0:0:0: [sr0] tag#16 CDB: Prevent/Allow Medium 
Removal 1e 00 00 00 01 00
[23315.697128] brasero[9154]: segfault at 2f400 ip 00007fb6350a5231 sp 
00007fff0e805918 error 4 in libc-2.32.so[7fb634f6c000+149000]
[23315.697136] Code: 84 00 00 00 00 00 0f 1f 00 31 c0 c5 f8 77 c3 66 2e 
0f 1f 84 00 00 00 00 00 89 f9 48 89 fa c5 f9 ef c0 83 e1 3f 83 f9 20 77 
1f <c5> fd 74 0f c5 fd d7 c1 85 c0 0f 85 df 00 00 00 48 83 c7 20 83 e1

=====================================================

xorriso tells me only

=====================================================

root at darkstar:~# xorriso -scsi_log on -outdev /dev/sr0 -toc 2>&1 | tee 
-i /tmp/xorriso.log
xorriso 1.5.4 : RockRidge filesystem manipulator, libburnia project.


TEST UNIT READY
00 00 00 00 00 00
        19 us     [ 1091 ]

INQUIRY
12 00 00 00 24 00
 From drive: 36b
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
        10 us     [ 1207 ]
--- SG_IO: host_status= 0x4 SG_ERR_DID_BAD_TARGET (Bad target, device 
not responding ?)
--- SG_IO: Gave up connection to drive
libburn : FAILURE : SCSI command 12h yielded host problem: 0x4 
SG_ERR_DID_BAD_TARGET (Bad target, device not responding ?)
libburn : FAILURE : Command: INQUIRY : 12 00 00 00 24 00  : dxfer_len= 36
libburn : FATAL : Lost connection to drive
xorriso : FAILURE : Cannot acquire drive '/dev/sr0'
xorriso : aborting : -abort_on 'FAILURE' encountered 'FATAL'

=====================================================



Il 07/11/21 19:37, Thomas Schmitt ha scritto:
> Hi,
>
> i am upstream programmer of libburn, which might be in charge of
> burning underneath Brasero. Regrettably i cannot interpret Brasero's
> messages unless they come from libburn or libisofs. So i am not sure
> whether i can help with fixing Brasero.
>
> The statement by other software that no medium is found in /dev/sr0
> surprises me. Such a status assessment is usually done by the drive
> and i am not aware of any regular means to let a drive ignore or deny
> its loaded medium.
>
> Do you see anything in dmesg that occured when Brasero failed and looks
> related to "sr" or "cdrom" ?
>
> Can i talk you into inquring the drive by xorriso and logging its
> SCSI transactions when the drive has gone mad from Brasero and a medium
> is still inserted ?
>
>    xorriso -scsi_log on -outdev /dev/sr0 -toc 2>&1 | tee -i /tmp/xorriso.log
>
> This would give insight into what the drive tells about its status
> without the programs-in-the-middle. The log is quite verbose and will
> have several hundred lines. Please post /tmp/xorriso.log as attachment
> or send it to me by private mail.
>
> (I wonder why udevadm monitor of Testing is so eager to insert blanks
> everywhere. But that would be a different bug, if it is not a copy+paste
> artefact.)
>
>
> Have a nice day :)
>
> Thomas
>
-- 
Prof. Mauro Sacchetto
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