I'm using Realtek ALC892 with a fresh ubuntu 11.04 natty and I have the same
problem but I think it may be because my chipset is not supported.
I'm using Gigabyte GA--890 GPA-UD3H AMD 890GX motherboard.
lspci -v
00:14.2 Audio device: ATI Technologies Inc SBx00 Azalia (Intel HDA) (rev 40)
Subsystem: Giga-byte Technology Device a102
Flags: bus master, slow devsel, latency 32, IRQ 7
Memory at fe024000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel modules: snd-hda-intel
The exact chipset is SB850 and according to
http://www.alsa-project.org/main/index.php/Matrix:Vendor-ATI it is supported
only until SB400
I can't find SB850 in ALSA-Configuration.txt either (max is SB450)
I've tried #3 it didn't change anything.
I've tried installing the high definition audio codec from
http://www.realtek.com.tw/downloads/downloadsview.aspx?langid=1&pfid=24&level=4&conn=3&downtypeid=3
(LinuxPkg_5.16rc14.tar.bz2) but still not working.
This actually removed everything that was in hardware, input and output in the
audio configuration panel: I have now only the "dummy output"
I'm not sure if the install is OK because it ends strangely:
/sbin/depmod -a 2.6.38-8-generic
cat WARNING
WARNING!!! The mixer channels for the ALSA driver are muted by default!!!
**************************************************************************
You would use some ALSA or OSS mixer to set the appropriate volume.
Creating mixer?...done.
Creating sequencer...done.
Creating midi0?...done.
Creating dsp?...done.
Creating audio?...done.
Creating sndstat...done.
Creating music...done.
Creating dmmidi?...done.
Creating dmfm?...done.
Creating amixer?...done.
Creating adsp?...done.
Creating amidi?...done.
Creating admmidi?...done.
rm: cannot remove `/dev/snd': Is a directory
Creating snd/control?...done.
Creating snd/seq...done.
Creating snd/timer...done.
Creating snd/hw??...done.
Creating snd/midi??...done.
Creating snd/pcm??p...done.
Creating snd/pcm??c...done.
Creating aload?...done.
Creating aloadSEQ...done.
Remove Folder.....
./install: 48: alsaconf: not found
Ater rebooting if i try to access the alsa mixer:
alsamixer
cannot open mixer: No such file or directory
modinfo soundcore
filename: /lib/modules/2.6.38-8-generic/kernel/sound/soundcore.ko
license: GPL
author: Alan Cox
description: Core sound module
srcversion: 982D4ED4F640D0B9C43B130
depends:
vermagic: 2.6.38-8-generic SMP mod_unload modversions
lspci -nnvv
01:05.1 Audio device [0403]: ATI Technologies Inc RS880 Audio Device [Radeon HD
4200] [1002:970f]
Subsystem: Giga-byte Technology Device [1458:960f]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 4 bytes
Interrupt: pin B routed to IRQ 10
Region 0: Memory at fdefc000 (32-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel modules: snd-hda-intel
Where do I need to report the missing configuration to alsa developers
as advised in https://help.ubuntu.com/community/SoundTroubleshooting?
Any help appreciated
Thanks
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https://bugs.launchpad.net/bugs/779049
Title:
[P55A-UD3, Realtek ALC892, Green Speaker, Rear] No sound at all
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