[sane-devel] Strange conflict with Wireless 300N USB adapter and CanoScan 9000F
sane at ml1103.bogner.priv.at
Wed Oct 5 11:46:59 UTC 2011
Maybe this is offtopic here, but I think it is not a problem of Gernot
Hassenpflug's driver for the CanoScan 9000F.
The driver works fine for me since months and to be sure, that it is
not a solved problem in the meantime, I compiled the driver yesterday
again from git.
If there is _no_ Digitus Wireless 300N USB adapter DN-7053-2
found USB scanner (vendor=0x04a9 [Canon], product=0x1908 [CanoScan]) at
device `pixma:04A91908' is a CANON Canoscan 9000F multi-function
So everything seems to be fine and I can scan with a frontend, like
xsane or gscan2pdf.
Ubuntu 11.04 \n \l
Now I attach the Digitus Wireless 300N USB adapter DN-7053-2 and look
what dmesg says at the end:
[ 65.738706] hda-intel: IRQ timing workaround is activated for card
#2. Suggest a bigger bdl_pos_adj.
[ 74.650040] usb 2-1: new high speed USB device using ehci_hcd and
[ 786.454490] usb 2-1: USB disconnect, address 2
[ 3272.780049] usb 2-1: new high speed USB device using ehci_hcd and
[ 3512.861183] exe (12491): /proc/12491/oom_adj is deprecated, please
use /proc/12491/oom_score_adj instead.
[ 4280.150062] usb 2-6: new high speed USB device using ehci_hcd and
[ 4280.320704] r8712u: module is from the staging directory, the
quality is unknown, you have been warned.
[ 4280.328019] r8712u: DriverVersion: v7_0.20100831
[ 4280.328043] r8712u: register rtl8712_netdev_ops to netdev_ops
[ 4280.328046] r8712u: USB_SPEED_HIGH with 4 endpoints
[ 4280.329336] r8712u: Boot from EFUSE: Autoload OK
[ 4280.992489] r8712u: CustomerID = 0x0000
[ 4280.992493] r8712u: MAC Address from efuse = ...
[ 4280.994312] usbcore: registered new interface driver r8712u
[ 4281.770501] r8712u: 1 RCR=0x153f00e
[ 4281.771238] r8712u: 2 RCR=0x553f00e
[ 4281.881812] ADDRCONF(NETDEV_UP): wlan0: link is not ready
sane-find-scanner and scanimage still find the scanner, but when I use
eg gscan2pdf I get "Unbekannte Nachricht: scanimage: sane_read: Error
during device I/O" and "Unbekannte Nachricht: Scanned page 1. (scanner
status = 9)"
sane-find-scanner doesn't find the scanner after I opened a frontend
and tried to scan.
No scanners were identified.
I remove the Digitus Wireless 300N USB adapter DN-7053-2 and see with
[ 4575.934610] ehci_hcd 0000:00:13.2: force halt; handshake
ffffc90000624424 00004000 00000000 -> -110
[ 4575.934621] ehci_hcd 0000:00:13.2: HC died; cleaning up
[ 4575.934644] usb 2-1: usbfs: usb_submit_urb returned -110
[ 4575.934670] usb 2-1: USB disconnect, address 3
[ 4575.935143] usb 2-6: USB disconnect, address 4
I try again sane-find-scanner and scanimage and the scanner is not
found. After a reboot the scanner works fine again.
BCC to Gernot. Gernot please note my email-address has changed!
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