kernel-packages team mailing list archive

[Kyle Echols <kyleechols@xxxxxxxxx>]

After more than a few attempts, I was able to get keyboard and mouse
working on the 12/28 alpha build of 14.04 (kernel version
3.12.0-7-generic ), with this release, hdmi audio "just works" after un-
muting the correct output in alsamixer. Since this is not an installed
release, i couldn't install the nvidia drivers so can't confirm
stability with them. My USB keyboard and mouse stopped responding
entirely after be left alone for a few (<10 ) minutes.

So audio is fixed, but there is still an intermittent USB issue with
this kernel release.

I will be re-installing 12.04.3 tonight so that I can make sure I have
not missed anything in the steps to get sound working and to try to get
something resembling stability back to this machine. Once the install is
complete, I'll update to the latest kernel, retest, and report back.

-- 
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https://bugs.launchpad.net/bugs/1264636

Title:
  HDMI Audio out fails on Geforce 8200 (MCP78)

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  I have an XFX Geforce 8200 (MCP78) motherboard. While HDMI video out
  works fine, HDMI audio doesn't work with the 3.8 kernel (3.8.0-29 or
  3.8.0-34), I've tried with both the nouveau and nvidia binary drivers.
  The analog outputs work with either driver.

  WORKAROUND: After upgrading to kernel 3.11.10-031110-generic, from the kernel mainline PPA, and using the nouveau drivers I'm able to get audio out over HDMI, using the following options in /etc/modprobe.d/alsa-base.conf:
  options snd-hda-intel single_cmd=1 probe_mask=-1,0x8 unmute iec958

  While using this configuration, I have audio and it's mostly stable,
  however, I'm unable to take advantage of 3d acceleration and HD video
  playback is choppy. If I then use the any of the nvidia drivers (304,
  319, 331, or current) I get frequent crashes, including system
  lockups. I have confirmed with VLC, mplayer2, and speaker-test that no
  audio comes out through HDMI until the 3.11 kernel, nouveau drivers,
  and the modprobe options mentioned are all in place.

  I'm attaching  20131228_logs.zip containing the output of:
  aplay -lL (aplay_out)
  lspci -k  (lspci_out)
  and the following additional files:
  dmesg
  dmesg.0
  lsb-release

  uname -a  returns:
  Linux DVR 3.11.10-031110-generic #201311291453 SMP Fri Nov 29 19:54:20 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
  This is the kernel that has working audio but is unstable with the nvidia binary in use (and choppy hd playback with nouveau)

  ---
  ApportVersion: 2.0.1-0ubuntu17.6
  Architecture: amd64
  DistroRelease: Ubuntu 12.04
  InstallationMedia: Mythbuntu 12.04.3 "Precise Pangolin" - Release amd64 (20130820)
  MarkForUpload: True
  Package: linux (not installed)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  Tags:  precise
  Uname: Linux 3.11.10-031110-generic x86_64
  UnreportableReason: The running kernel is not an Ubuntu kernel
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm audio cdrom dip lpadmin mythtv plugdev sambashare sudo video

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