Red Hat Bugzilla – Bug 170346
No sound on Dell Latitude D810 laptop (Intel ICH6 audio controller)
Last modified: 2015-01-04 17:22:29 EST
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User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.12) Gecko/20050922 Fedora/1.0.7-1.1.fc4 Firefox/1.0.7
Description of problem:
I am unable to get the sound to work on my Dell Latitude D810 laptop. The system-config-soundcard utility says:
The following audio device was detected:
Model: Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) AC'97 Audio Controller
When I click "Play test sound", there is only silence. I have ensured that the sound is not muted and that the volume is up.
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Run system-config-soundcard
2. Click "Play Test Sound" button
Actual Results: Silence
Expected Results: Sound
I specified kernel-2.6.13-1.1526_FC4 above, but actually I have been unable to get the sound to work in all FC4 kernels that I have tried:
Relevant output from lspci -v:
00:1e.2 Multimedia audio controller: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) AC'97 Audio Controller (rev 03)
Subsystem: Dell: Unknown device 0186
Flags: bus master, medium devsel, latency 0, IRQ 11
I/O ports at ed00 [size=256]
I/O ports at ec40 [size=64]
Memory at dffffe00 (32-bit, non-prefetchable) [size=512]
Memory at dffffd00 (32-bit, non-prefetchable) [size=256]
Capabilities:  Power Management version 2
Relevant output from lsmod:
Module Size Used by
snd_intel8x0m 19973 0
snd_intel8x0 37505 0
snd_ac97_codec 80829 2 snd_intel8x0m,snd_intel8x0
snd_seq_dummy 3781 0
snd_seq_oss 42945 0
snd_seq_midi_event 10177 1 snd_seq_oss
snd_seq 78033 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event
snd_seq_device 9165 3 snd_seq_dummy,snd_seq_oss,snd_seq
snd_pcm_oss 53105 0
snd_mixer_oss 18241 1 snd_pcm_oss
snd_pcm 112201 4 snd_intel8x0m,snd_intel8x0,snd_ac97_codec,snd_pcm_oss
snd_timer 42437 2 snd_seq,snd_pcm
snd 62021 10 snd_intel8x0m,snd_intel8x0,snd_ac97_codec,snd_seq_oss,snd_seq,snd_seq_device,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer
soundcore 12449 1 snd
snd_page_alloc 10825 3 snd_intel8x0m,snd_intel8x0,snd_pcm
I now checked the BIOS setup, and it shows the following information:
Audio Controller: Sigmatel 9751
2.6.14-1.1637_FC4 has been released as an update for FC4.
Please retest with this update, as a large amount of code has been changed in
this release, which may have fixed your problem.
This is a mass-update to all currently open kernel bugs.
A new kernel update has been released (Version: 2.6.15-1.1830_FC4)
based upon a new upstream kernel release.
Please retest against this new kernel, as a large number of patches
go into each upstream release, possibly including changes that
may address this problem.
This bug has been placed in NEEDINFO_REPORTER state.
Due to the large volume of inactive bugs in bugzilla, if this bug is
still in this state in two weeks time, it will be closed.
Should this bug still be relevant after this period, the reporter
can reopen the bug at any time. Any other users on the Cc: list
of this bug can request that the bug be reopened by adding a
comment to the bug.
If this bug is a problem preventing you from installing the
release this version is filed against, please see bug 169613.
Closing per previous comment.