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[Bug 1464757] Re: Audio broken on Dell Venue 11 Pro 7140

 

Christopher, I haven't contacted Dell yet for a few reasons. The primary
being that I'm not quite sure I understand what to tell them. From what
I gather on the most likely related bug (1413446) the original issue was
how the BIOS presented the sound card. But... I can't tell from the
dmesg results if this is the same thing. It looks similar, but also
different.

Also, I know Dell released an A05 BIOS for this model (I'm A04) but then
pulled the BIOS after it caused problems. Because of this, and because
Dell doesn't officially support Linux on this model, I wanted to have
some idea of what to tell/ask them before I raised the issue.

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https://bugs.launchpad.net/bugs/1464757

Title:
  Audio broken on Dell Venue 11 Pro 7140

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Appears related to the following

  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1413446
  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1441852
  https://bugzilla.redhat.com/show_bug.cgi?id=1194616

  ubuntu-gnome@ubuntu-gnome:~$ dmesg -t | egrep "(audio|snd|INT3438)"
  dmar: ACPI device "INT3438:00" under DMAR at fed91000 as 00:13.0
  snd_hda_intel 0000:00:03.0: enabling device (0000 -> 0002)
  sst-acpi INT3438:00: DesignWare DMA Controller, 8 channels
  haswell-pcm-audio haswell-pcm-audio: FW loaded, mailbox readback FW info: type 01, - version: 00.00, build 77, source commit id: 876ac6906f31a43b6772b23c7c983ce9dcb18a19
  broadwell-audio broadwell-audio: ASoC: CODEC DAI rt286-aif1 not registered
  platform broadwell-audio: Driver broadwell-audio requests probe deferral

  ProblemType: Bug
  DistroRelease: Ubuntu 15.04
  Package: linux-image-3.19.0-15-generic 3.19.0-15.15
  ProcVersionSignature: Ubuntu 3.19.0-15.15-generic 3.19.3
  Uname: Linux 3.19.0-15-generic x86_64
  ApportVersion: 2.17.2-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ubuntu-gnome   2440 F.... pulseaudio
  CasperVersion: 1.360
  CurrentDesktop: GNOME
  Date: Fri Jun 12 19:33:45 2015
  LiveMediaBuild: Ubuntu-GNOME 15.04 "Vivid Vervet" - Release amd64 (20150422)
  MachineType: Dell Inc. Venue 11 Pro 7140
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/username.seed boot=casper quiet splash ---
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-15-generic N/A
   linux-backports-modules-3.19.0-15-generic  N/A
   linux-firmware                             1.143
  SourcePackage: linux
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 04/15/2015
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A05
  dmi.board.name: 0XMVMH
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA05:bd04/15/2015:svnDellInc.:pnVenue11Pro7140:pvr01:rvnDellInc.:rn0XMVMH:rvrA00:cvnDellInc.:ct8:cvr:
  dmi.product.name: Venue 11 Pro 7140
  dmi.product.version: 01
  dmi.sys.vendor: Dell Inc.

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