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[Bug 1555487] Re: snd_au8820 0000:01:04.0: BUG: , pos = 16388, buffer size = 16384, period size = 1024


Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.5 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:

Once testing of the upstream kernel is complete, please mark this bug as

Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.5-rc7-wily/

** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

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

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  snd_au8820 0000:01:04.0: BUG: , pos = 16388, buffer size = 16384,
  period size = 1024

Status in linux package in Ubuntu:

Bug description:
  This bug does *not* affect precise and *not* trusty. Sorry if that was
  not clear in the original comment.

  It only affects *xenial*
  Directly at login after reboot I had many prompts to send a bug report about kernel oops. I tried to count them. think this report is responding to the 26th prompt to send a bug report, and a few seconds later there was one more prompt to send a bug report.

  I think it is a duplicate of the bug report #1551041

  Before this reboot and login, I had started to suspect than the Aureal
  sound card is starting to fail, so I rebooted into

  1. The old Precise system with the 3.2.0-97-generic-pae kernel

  2. The newer Trusty system with the 3.13.0-79-generic kernel
  $ uname -a
  Linux xw8400 3.13.0-79-generic #123-Ubuntu SMP Fri Feb 19 14:27:58 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux
  Both of these systems work well. There is no sign of failure of the Aureal sound card, and there are no kernel oops in precise and trusty.

  ProblemType: KernelOops
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-11-generic 4.4.0-11.26
  ProcVersionSignature: Ubuntu 4.4.0-11.26-generic 4.4.4
  Uname: Linux 4.4.0-11-generic i686
  NonfreeKernelModules: nvidia
  Annotation: Your system might become unstable now and might need to be restarted.
  ApportVersion: 2.20-0ubuntu3
  Architecture: i386
   /dev/snd/controlC0:  olle       2206 F.... pulseaudio
   /dev/snd/controlC1:  olle       2206 F.... pulseaudio
  Date: Thu Mar 10 08:11:00 2016
  Failure: oops
  HibernationDevice: RESUME=UUID=03bed9e9-e39b-4107-8cd6-c2612af9a6aa
  InstallationDate: Installed on 2016-02-28 (10 days ago)
  InstallationMedia: Lubuntu 16.04 LTS "Xenial Xerus" - Alpha i386 (20160226)
  MachineType: Hewlett-Packard HP xw8400 Workstation

  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-11-generic root=UUID=2160f8ed-4aa3-4243-b5d6-f87c1967e253 ro quiet splash
  PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions: kerneloops-daemon 0.12+git20090217-3ubuntu9

  SourcePackage: linux
  Title: snd_au8820 0000:01:04.0: BUG: , pos = 16388, buffer size = 16384, period size = 1024
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 07/09/2009
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: 786D5 v02.37
  dmi.board.name: 0A08h
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: NA
  dmi.chassis.asset.tag: CZC722497N
  dmi.chassis.type: 6
  dmi.chassis.vendor: Hewlett-Packard
  dmi.modalias: dmi:bvnHewlett-Packard:bvr786D5v02.37:bd07/09/2009:svnHewlett-Packard:pnHPxw8400Workstation:pvr:rvnHewlett-Packard:rn0A08h:rvrNA:cvnHewlett-Packard:ct6:cvr:
  dmi.product.name: HP xw8400 Workstation
  dmi.sys.vendor: Hewlett-Packard

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