kernel-packages team mailing list archive

[Joseph Salisbury <joseph.salisbury@xxxxxxxxxxxxx>]

@luca: Commit b7a7723 has not yet been applied to the Trusty stable
kernel.  It was not CC'd to stable when applied to mainline, so it will
not make it's way into stable unless we specifically request it.  If
commit b7a7723 resolves this bug, we can submit an SRU request to have
it included in Trusty.

Did the kernel posted in comment #4 fix the bug?

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https://bugs.launchpad.net/bugs/1319457

Title:
  usb headset causes "retire_playback_urb ... callbacks suppressed" spam
  in dmesg

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  This is a follow-up to bug 1305133

  I sometimes have a USB headset plugged in to my computer. When the
  headset is plugged in, I get tens of messages like the following in
  dmesg and syslog:

  May 14 11:25:24 aether kernel: [  315.447988] retire_playback_urb: 829 callbacks suppressed
  May 14 11:25:29 aether kernel: [  320.458042] retire_playback_urb: 831 callbacks suppressed

  
  To reproduce:
  1) Plug in a USB headset

  Expected results:
  No "retire_playback_urb ... callbacks suppressed" spam in the kernel log (dmesg/syslog/kern.log)

  Actual results:
  Tens of similar "callbacks suppressed" messages in the kernel logs.


  We need to integrate this patch into the kernel to completely clean up these rate-limited messages in syslog:
  https://lkml.org/lkml/2014/5/2/156

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-26-generic 3.13.0-26.48
  ProcVersionSignature: Ubuntu 3.13.0-26.48-generic 3.13.11
  Uname: Linux 3.13.0-26-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC2:  steve      2643 F.... pulseaudio
   /dev/snd/controlC1:  steve      2643 F.... pulseaudio
   /dev/snd/controlC0:  steve      2643 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Wed May 14 11:29:19 2014
  DistributionChannelDescriptor:
   # This is a distribution channel descriptor
   # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
   canonical-oem-somerville-precise-amd64-20130203-1
  EcryptfsInUse: Yes
  HibernationDevice: RESUME=UUID=79084358-087f-4cee-a0be-e2f78361873f
  InstallationDate: Installed on 2013-12-02 (162 days ago)
  InstallationMedia: Ubuntu 12.04 "Precise" - Build amd64 LIVE Binary 20130203-13:50
  MachineType: Dell Inc. XPS13 9333
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-26-generic root=UUID=0b9db31c-747b-40ad-bbbd-13a9a29caece ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-26-generic N/A
   linux-backports-modules-3.13.0-26-generic  N/A
   linux-firmware                             1.127.2
  SourcePackage: linux
  UpgradeStatus: Upgraded to trusty on 2014-02-12 (90 days ago)
  dmi.bios.date: 11/11/2013
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A01
  dmi.board.name: 0GFTRT
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: 0.1
  dmi.modalias: dmi:bvnDellInc.:bvrA01:bd11/11/2013:svnDellInc.:pnXPS139333:pvr:rvnDellInc.:rn0GFTRT:rvrA00:cvnDellInc.:ct8:cvr0.1:
  dmi.product.name: XPS13 9333
  dmi.sys.vendor: Dell Inc.

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