FS#17498 - kernel26 2.6.31.6-1 -- audio sounds garbled through headphone jack

Attached to Project: Arch Linux
Opened by Thayer Williams (thayer) - Monday, 14 December 2009, 04:56 GMT
Last edited by Tobias Powalowski (tpowa) - Monday, 04 January 2010, 07:59 GMT
Task Type Bug Report
Category Packages: Core
Status Closed
Assigned To No-one
Architecture i686
Severity Medium
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Description:

Just upgraded to (official) kernel v2.6.31.6-1 yesterday and upon reboot I've lost sound through my external speakers. If I unplug them audio works as expected through internal speakers. When external speakers or headphones are used volume is barely audible and sound is very scratchy and garbled. This is for an MSI Wind U120 netbook:

$ lspci -v
00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 02)
Subsystem: Micro-Star International Co., Ltd. Device 0110
Flags: bus master, fast devsel, latency 0, IRQ 16
Memory at ffe00000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: HDA Intel
Kernel modules: snd-hda-intel

Loaded audio modules:
snd, snd_seq_oss, snd_seq, snd_seq_device, snd_pcm_oss, snd_mixer_oss, snd_hda_codec_realtek, snd_hda_intel, snd_hda_codec, snd_hwdep, snd_pcm,snd_timer

I've tried various snd-hda-intel model types in /etc/modprobe.d/modprobe.conf to no avail.

Downgrading to kernel26 2.6.30.6-1 resolves the issue.
This task depends upon

Closed by  Tobias Powalowski (tpowa)
Monday, 04 January 2010, 07:59 GMT
Reason for closing:  Fixed
Additional comments about closing:  .32 moved to core

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