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Old 10-17-2009, 09:46 AM   #1
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Registered: Oct 2009
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ati ixp SB400 sound chipset : no sound when acpi=on

Hello everybody

For a month, when resume after hibernate, or at boot, sound is often broken. This happened after a not identified system update.

When I boot with acpi=off, the sound works (but I loose hibernation)
When I activate ALSAMIXER, I often get a message : No Gstreamer plugin
In other cases, ALSAMIXER works, but not the sound. There Banshee eats one processor ressource, and in system log file, I get following messages :
ALSA sound/pci/atiixp.c:433: atiixp: codec acquire timeout
ALSA sound/pci/atiixp.c:677: atiixp: invalid DMA pointer read 0xffffffff (buf=36a30000)
/sbin/lsmod | grep snd returns :
snd_atiixp             24972  0 
snd_ac97_codec        108580  1 snd_atiixp
ac97_bus                6016  1 snd_ac97_codec
snd_seq_dummy           7940  0 
snd_pcm_oss            52096  0 
snd_mixer_oss          21120  1 snd_pcm_oss
snd_seq                61376  1 snd_seq_dummy
snd_seq_device         12812  2 snd_seq_dummy,snd_seq
snd_hda_intel         374300  0 
snd_pcm                87812  4 snd_atiixp,snd_ac97_codec,snd_pcm_oss,snd_hda_intel
snd_timer              28424  2 snd_seq,snd_pcm
snd_page_alloc         14984  3 snd_atiixp,snd_hda_intel,snd_pcm
snd_hwdep              14084  1 snd_hda_intel
snd                    67256  11 snd_atiixp,snd_ac97_codec,snd_seq_dummy,snd_pcm_oss,snd_mixer_oss,snd_seq,snd_seq_device,snd_hda_intel,snd_pcm,snd_timer,snd_hwdep
soundcore              11976  1 snd
lspci returns :
00:00.0 Host bridge: ATI Technologies Inc Radeon Xpress 200 Host Bridge (rev 01)
00:01.0 PCI bridge: ATI Technologies Inc RS480 PCI Bridge
00:11.0 IDE interface: ATI Technologies Inc IXP SB400 Serial ATA Controller (rev 80)
00:12.0 IDE interface: ATI Technologies Inc IXP SB400 Serial ATA Controller (rev 80)
00:13.0 USB Controller: ATI Technologies Inc IXP SB400 USB Host Controller (rev 80)
00:13.1 USB Controller: ATI Technologies Inc IXP SB400 USB Host Controller (rev 80)
00:13.2 USB Controller: ATI Technologies Inc IXP SB400 USB2 Host Controller (rev 80)
00:14.0 SMBus: ATI Technologies Inc IXP SB400 SMBus Controller (rev 81)
00:14.1 IDE interface: ATI Technologies Inc IXP SB400 IDE Controller (rev 80)
00:14.2 Audio device: ATI Technologies Inc IXP SB4x0 High Definition Audio Controller (rev 01)
00:14.3 ISA bridge: ATI Technologies Inc IXP SB400 PCI-ISA Bridge (rev 80)
00:14.4 PCI bridge: ATI Technologies Inc IXP SB400 PCI-PCI Bridge (rev 80)
01:05.0 VGA compatible controller: ATI Technologies Inc RC410 [Radeon Xpress 200]
02:05.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139/8139C/8139C+ (rev 10)
I tried without any success following changes :
- downgrading the kernel : I tried,
- downgrading Gstreamer : --> 0.10.19-16.1
- remove Pulsaudio
- use OSS instead of ALSA in sound preferences

Any help would be appreciated
Thanks in advance



acpi, sound

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