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[Bug 1371223] Re: sometimes no USB Device is recognized

 

Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.17 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:
'kernel-bug-exists-upstream'.

If you are unable to test the mainline kernel, for example it will not boot, please add the tag: 'kernel-unable-to-test-upstream'.
Once testing of the upstream kernel is complete, please mark this bug as "Confirmed".


Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.17-rc5-utopic/


** Changed in: linux (Ubuntu)
       Status: Confirmed => Incomplete

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https://bugs.launchpad.net/bugs/1371223

Title:
  sometimes no USB Device is recognized

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  It seems that problem occures when loading xhci_hcd, since I cannot
  find any error related on xhci_hcd when USB devices are  well
  recognized

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-35-generic 3.13.0-35.62
  ProcVersionSignature: Ubuntu 3.13.0-35.62-generic 3.13.11.6
  Uname: Linux 3.13.0-35-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.4
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  lightdm    1716 F.... pulseaudio
                        ctelmo     2411 F.... pulseaudio
  Date: Thu Sep 18 18:41:52 2014
  HibernationDevice: RESUME=UUID=667041ef-6a04-4fc5-aeba-24d4c6e29279
  InstallationDate: Installed on 2014-09-10 (7 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: TOSHIBA SATELLITE NB10t-A-10F
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-35-generic.efi.signed root=UUID=25fc8b0d-6bfc-4cef-935e-fd1ae1fca4b6 ro quiet splash vt.handoff=7
  PulseList:
   Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not accessible: Permission denied
   No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-35-generic N/A
   linux-backports-modules-3.13.0-35-generic  N/A
   linux-firmware                             1.127.5
  RfKill:
   0: phy0: Wireless LAN
   	Soft blocked: no
   	Hard blocked: no
  SourcePackage: linux
  StagingDrivers: zram
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 12/19/2013
  dmi.bios.vendor: TOSHIBA
  dmi.bios.version: 1.20
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: MA10
  dmi.board.vendor: TOSHIBA
  dmi.board.version: To be filled by O.E.M.
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: TOSHIBA
  dmi.chassis.version: To Be Filled By O.E.M.
  dmi.modalias: dmi:bvnTOSHIBA:bvr1.20:bd12/19/2013:svnTOSHIBA:pnSATELLITENB10t-A-10F:pvrPU141E-01K029EP:rvnTOSHIBA:rnMA10:rvrTobefilledbyO.E.M.:cvnTOSHIBA:ct10:cvrToBeFilledByO.E.M.:
  dmi.product.name: SATELLITE NB10t-A-10F
  dmi.product.version: PU141E-01K029EP
  dmi.sys.vendor: TOSHIBA

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