Anthony Buckley, the next step is to fully commit bisect from kernel 4.2
to 4.4 in order to identify the last good kernel commit, followed
immediately by the first bad one. This will allow for a more expedited
analysis of the root cause of your issue. Could you please do this
following https://wiki.ubuntu.com/Kernel/KernelBisection ?
Please note, finding adjacent kernel versions is not fully commit
bisecting.
Also, the kernel release names are irrelevant for the purposes of
bisecting.
It is most helpful that after the fix commit (not kernel version) has
been identified, you then mark this report Status Confirmed.
Thank you for your help.
** Tags added: kernel-bug-exists-upstream needs-bisect
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
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https://bugs.launchpad.net/bugs/1613027
Title:
Network scanner not detected by xsane after upgrade to 16.04
Status in linux package in Ubuntu:
Incomplete
Bug description:
Hopefully I'm reporting this in the correct area/group. Sorry if not.
After upgrading to 16.04, my scanner is no longer detected by xsane (and
other scan apps.) The model is 'Epson WF-3520' multi-function and is connected
wirelessly to the network.
The problem occurs on all my computers: A Dell 64 bit desktop, An Asus 64 bit
laptop, A Medion 32 bit laptop.
I've upgraded to the latest software released by the manufacturer on 2
computers, but it makes no difference.
Printing works OK and also the scanner is detected if I connect using a USB
cable (a second printer is installed though).
The problem only occurs using the 'linux-image-4.4.0...' series of kernels.
If I boot with any of the previous kernels available, 'linux-image-4.2.0...' or
'linux-image-3.19.0...' everything works OK.
I am able to ping the scanner.
I've tried a number of suggested fixes from searching around various forums,
although many of these relate to 'back-end' scanners connected to a host for
network access which is not applicable as mine is connected directly to the
network. In any case none have worked.
I have tried the following:
. Removing all manufacturer software and /usr/sane.d/epkowa.conf
. Comment out all entries in the /usr/sane.d/dll (Back-end related)
. Comment out all entries in the /usr/sane.d/dll.conf.conf except 'net' and
adding 'epkowa' (Back-end related)
. Disable the firewall (ufw)
. Specifically adding a port to use (1865) (ie. net 192.1... 1865
. Linking the libraries in /usr/lib/sane to /usr/lib/x86_64-linux-gnu/sane
Other than that I'm at a loss and sticking with older kernels.
Regards.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-34-generic 4.4.0-34.53
ProcVersionSignature: Ubuntu 4.4.0-34.53-generic 4.4.15
Uname: Linux 4.4.0-34-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: tony 4520 F.... pulseaudio
/dev/snd/controlC1: tony 4520 F.... pulseaudio
CurrentDesktop: Unity
Date: Sun Aug 14 16:37:16 2016
HibernationDevice: RESUME=UUID=762f657a-d174-4173-b09d-52d580c09a91
InstallationDate: Installed on 2013-10-01 (1047 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
MachineType: ASUSTeK Computer Inc. N71Jq
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-34-generic
root=UUID=dea23950-d6b3-498c-abba-a94513b58579 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.4.0-34-generic N/A
linux-backports-modules-4.4.0-34-generic N/A
linux-firmware 1.157.3
SourcePackage: linux
UpgradeStatus: Upgraded to xenial on 2016-07-30 (14 days ago)
dmi.bios.date: 12/24/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: N71Jq.204
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: N71Jq
dmi.board.vendor: ASUSTeK Computer Inc.
dmi.board.version: 1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK Computer Inc.
dmi.chassis.version: 1.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrN71Jq.204:bd12/24/2009:svnASUSTeKComputerInc.:pnN71Jq:pvr1.0:rvnASUSTeKComputerInc.:rnN71Jq:rvr1.0:cvnASUSTeKComputerInc.:ct10:cvr1.0:
dmi.product.name: N71Jq
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK Computer Inc.
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