Just ignore whatever Christopher is doing. People were already making
progress and preparing patches. No need for him to step in and get
things diffused in all kinds of unproductive directions. I rather
suggest to
1) verify if this is fixed in zesty (I will take what jeekajo is seeing for
this ticket)
2) SRU the proposed patch as necessary
3) verify about any remaining problems and deal with them separately
** Changed in: sane-backends (Ubuntu)
Assignee: (unassigned) => Rolf Leggewie (r0lf)
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https://bugs.launchpad.net/bugs/1184699
Title:
Canon LIDE 110 can only scan once, then I need to replug the usb cable
Status in sane-backends package in Ubuntu:
Incomplete
Bug description:
I have a Canon LIDE 110 scanner which works by default on ubuntu 13.04.
The problem is after first scan, I can not scan for second time. I need to
reconnect the USB cable to use the scanner again.
# TEST 1 : without reconnecting the usb cable
francois@pc:~$ scanimage -v > test1.jpg # success
scanimage: scanning image of size 636x885 pixels at 8 bits/pixel
scanimage: acquiring gray frame
scanimage: min/max graylevel value = 0/255
scanimage: read 562860 bytes in total
# I don't unplug plug the usb cable.
francois@pc:~$ scanimage -v > test2.jpg # FAIL
scanimage: no SANE devices found
# TEST 2 : reconnect usb cable between scan attempts
francois@pc:~$ scanimage -v > test1.jpg # success
scanimage: scanning image of size 636x885 pixels at 8 bits/pixel
scanimage: acquiring gray frame
scanimage: min/max graylevel value = 0/255
scanimage: read 562860 bytes in total
# I unplug and replug the usb cable.
francois@pc:~$ scanimage -v > test2.jpg # SUCCESS
scanimage: scanning image of size 636x885 pixels at 8 bits/pixel
scanimage: acquiring gray frame
scanimage: min/max graylevel value = 0/255
scanimage: read 562860 bytes in total
francois@pc:~$ dmesg # extract
[ 829.365158] usb 3-1: USB disconnect, device number 2
[ 834.935000] usb 3-1: new high-speed USB device number 4 using xhci_hcd
[ 834.952515] usb 3-1: New USB device found, idVendor=04a9, idProduct=1909
[ 834.952519] usb 3-1: New USB device strings: Mfr=1, Product=2,
SerialNumber=0
[ 834.952522] usb 3-1: Product: CanoScan
[ 834.952524] usb 3-1: Manufacturer: Canon
[ 1623.738811] usb 3-1: USB disconnect, device number 4
[ 1623.739072] xhci_hcd 0000:00:14.0: Slot 3 endpoint 6 not removed from BW
list!
[ 1625.528827] usb 3-1: new high-speed USB device number 5 using xhci_hcd
[ 1625.546327] usb 3-1: New USB device found, idVendor=04a9, idProduct=1909
[ 1625.546331] usb 3-1: New USB device strings: Mfr=1, Product=2,
SerialNumber=0
[ 1625.546334] usb 3-1: Product: CanoScan
[ 1625.546336] usb 3-1: Manufacturer: Canon
francois@pc:~$ uname -a && cat /etc/issue
Linux pc 3.8.0-22-generic #33-Ubuntu SMP Thu May 16 15:17:14 UTC 2013 x86_64
x86_64 x86_64 GNU/Linux
Ubuntu 13.04 \n \l
The problem was reported here by someone else :
http://askubuntu.com/questions/278473/canon-lide-110-should-reconnect-
usb-for-each-scan
Thanks
François
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