kernel-packages team mailing list archive

[Lucas Partridge <1529232@xxxxxxxxxxxxxxxxxx>]

Canon have come back with: "Unfortunately you need to wait for
scangearmp to update so that it then supports ubuntu version 14.04. We
are not yet aware of a scheduled time of release for this update, the
only thing I can recommend is that you keep an eye on the website to see
when the scangear is updated to support this."

And I notice now at the download link for scangearmp v2.20 it says under
System Requirements: Fedora 18(32bit/64bit) Ubuntu 13.04(32bit/64bit)

So, maybe when Canon update scangearmp to support 14.04 they'll take a
look at this bug...

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https://bugs.launchpad.net/bugs/1529232

Title:
  Scanner not detected over wifi since after 3.13.0-68

Status in linux package in Ubuntu:
  Fix Released

Bug description:
  Please see http://ubuntuforums.org/showthread.php?t=2306464 for
  details.  I'm running 64-bit 14.04 LTS ubuntu.

  When I boot my PC into 3.13.0-68-generic (via the 'ubuntu advanced'
  menu item in grub) I can detect my scanner over wifi using scangearmp.
  However since 3.13.0-70-generic I have not been able to detect my
  scanner over wifi.  My current kernel is 3.13.0-74-generic.  Therefore
  I suspect a regression has occurred between 3.13.0-68-generic and
  3.13.0-70-generic:

  Scanner *is* detected by scangearmp over wifi and it scans documents as expected in this version:
  uname -a
  Linux zorro 3.13.0-68-generic #111-Ubuntu SMP Fri Nov 6 18:17:06 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

  But scanner is *not* detected by scangearmp in this version or later:
  Linux zorro 3.13.0-70-generic #113-Ubuntu SMP Mon Nov 16 18:34:13 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

  Note that this happened before some time ago. i.e., The scanner was
  detected over wifi, then not, then it was again some time later. Then
  this latest break occurred again. I suspect successive updates are
  fixing or breaking the detection accordingly.

  $ dpkg -l | grep scangear
  ii  scangearmp-common                                     2.20-1                                              amd64        ScanGear MP for Linux.
  ii  scangearmp-mg7100series                               2.20-1                                              amd64        ScanGear MP for Linux.

  Device is Canon Pixma MG7150 (combined printer, scanner, copier). Note
  the printer works fine over wifi; only the scanner is affected.

  I can see from the changelog at http://changelogs.ubuntu.com/changelogs/pool/main/l/linux/linux_3.13.0-74.118/changelog that many changes went into 3.13.0-69.112 but it's not obvious to me which of these might have caused the regression.
  --- 
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  lucas      1604 F.... pulseaudio
   /dev/snd/controlC2:  lucas      1604 F.... pulseaudio
   /dev/snd/controlC0:  lucas      1604 F.... pulseaudio
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 14.04
  HibernationDevice: RESUME=UUID=0140e677-b732-4571-a80a-fc5d7c00359c
  InstallationDate: Installed on 2014-12-05 (387 days ago)
  InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
  MachineType: MICRO-STAR INTERNATIONAL CO.,LTD MS-7528
  NonfreeKernelModules: nvidia
  Package: linux (not installed)
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-74-generic root=UUID=941f5e44-f02e-42f2-ac78-5f6b4b9e98e9 ro quiet splash
  ProcVersionSignature: Ubuntu 3.13.0-74.118-generic 3.13.11-ckt30
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-74-generic N/A
   linux-backports-modules-3.13.0-74-generic  N/A
   linux-firmware                             1.127.19
  RfKill:
   0: phy0: Wireless LAN
   	Soft blocked: no
   	Hard blocked: no
  Tags:  trusty
  Uname: Linux 3.13.0-74-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 06/19/2009
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: V1.3
  dmi.board.asset.tag: To Be Filled By O.E.M.
  dmi.board.name: G31M3-F(MS-7528)
  dmi.board.vendor: MICRO-STAR INTERNATIONAL CO.,LTD
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: To Be Filled By O.E.M.
  dmi.chassis.type: 3
  dmi.chassis.vendor: MICRO-STAR INTERNATIONAL CO.,LTD
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrV1.3:bd06/19/2009:svnMICRO-STARINTERNATIONALCO.,LTD:pnMS-7528:pvr1.0:rvnMICRO-STARINTERNATIONALCO.,LTD:rnG31M3-F(MS-7528):rvr1.0:cvnMICRO-STARINTERNATIONALCO.,LTD:ct3:cvr1.0:
  dmi.product.name: MS-7528
  dmi.product.version: 1.0
  dmi.sys.vendor: MICRO-STAR INTERNATIONAL CO.,LTD

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