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[Raymond <1551041@xxxxxxxxxxxxxxxxxx>]

snd_au8820 0000:01:04.0: BUG: , pos = 16386, buffer size = 16384, period
size = 1024 snd_au8820 0000:01:04.0: BUG: , pos = 16386, buffer size =
16384, period size = 1024

Any steps to reprodcue these message


https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/tree/sound/pci/au88x0

This mean snd_vortex_pcm_pointer return a value larger than period size
most likely bug in vortex_adbdma_getlinearpos(chip, dma)

Do the error ocurr on other ubuntu version 14.04 or 12.04 live cd?

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Title:
  snd_au8820 0000:01:04.0: BUG: , pos = 16386, buffer size = 16384,
  period size = 1024

Status in alsa-driver package in Ubuntu:
  Incomplete

Bug description:
  Kernel oops in a new installed system, that I configuring ...

  ProblemType: KernelOops
  DistroRelease: Ubuntu 16.04
  Package: linux-image-4.4.0-8-generic 4.4.0-8.23
  ProcVersionSignature: Ubuntu 4.4.0-8.23-generic 4.4.2
  Uname: Linux 4.4.0-8-generic i686
  NonfreeKernelModules: nvidia
  Annotation: Your system might become unstable now and might need to be restarted.
  ApportVersion: 2.20-0ubuntu3
  Architecture: i386
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  olle       1606 F.... pulseaudio
   /dev/snd/controlC0:  olle       1606 F.... pulseaudio
  Date: Mon Feb 29 00:00:56 2016
  Failure: oops
  HibernationDevice: RESUME=UUID=03bed9e9-e39b-4107-8cd6-c2612af9a6aa
  InstallationDate: Installed on 2016-02-28 (0 days ago)
  InstallationMedia: Lubuntu 16.04 LTS "Xenial Xerus" - Alpha i386 (20160226)
  IwConfig:
   enp31s0   no wireless extensions.
   
   lo        no wireless extensions.
  MachineType: Hewlett-Packard HP xw8400 Workstation
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-8-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
  RfKill:
   
  SourcePackage: linux
  Title: snd_au8820 0000:01:04.0: BUG: , pos = 16386, 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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