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SubjectRe: 2.6.11 breaks ALSA Intel AC97 audio
Date
Hi Lars,

Yeah I've got no audio on my T41, which I think uses the AC97 too. I haven't
had time to look into it though :/

cheers

On Sun, 6 Mar 2005 10:10, Lars wrote:
> With Kernel 2.6.11 the Audio driver in my ThinkPad T42 stopped working.
> The dsp device is detected and readable/writable, but there's no
> audible sound.
> Everything worked fine with 2.6.9 and 2.6.10.
> Did anybody else see this?
>
> /proc/pci:
> ----------
>
> Bus 0, device 31, function 5:
> Multimedia audio controller: Intel Corp. 82801DB/DBL/DBM
> (ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller (rev 1).
> IRQ 11.
> I/O at 0x1c00 [0x1cff].
> I/O at 0x18c0 [0x18ff].
> Non-prefetchable 32 bit memory at 0xc0000c00 [0xc0000dff].
> Non-prefetchable 32 bit memory at 0xc0000800 [0xc00008ff].
>
> Kernel sound config:
> --------------------
>
> #
> # Sound
> #
> CONFIG_SOUND=m
>
> #
> # Advanced Linux Sound Architecture
> #
> CONFIG_SND=m
> CONFIG_SND_TIMER=m
> CONFIG_SND_PCM=m
> CONFIG_SND_RAWMIDI=m
> CONFIG_SND_SEQUENCER=m
> CONFIG_SND_SEQ_DUMMY=m
> CONFIG_SND_OSSEMUL=y
> CONFIG_SND_MIXER_OSS=m
> CONFIG_SND_PCM_OSS=m
> CONFIG_SND_SEQUENCER_OSS=y
> CONFIG_SND_RTCTIMER=m
> # CONFIG_SND_VERBOSE_PRINTK is not set
> # CONFIG_SND_DEBUG is not set
>
> #
> # Generic devices
> #
> CONFIG_SND_MPU401_UART=m
> # CONFIG_SND_DUMMY is not set
> # CONFIG_SND_VIRMIDI is not set
> # CONFIG_SND_MTPAV is not set
> # CONFIG_SND_SERIAL_U16550 is not set
> CONFIG_SND_MPU401=m
>
> #
> # PCI devices
> #
> CONFIG_SND_AC97_CODEC=m
> # CONFIG_SND_ALI5451 is not set
> # CONFIG_SND_ATIIXP is not set
> # CONFIG_SND_ATIIXP_MODEM is not set
> # CONFIG_SND_AU8810 is not set
> # CONFIG_SND_AU8820 is not set
> # CONFIG_SND_AU8830 is not set
> # CONFIG_SND_AZT3328 is not set
> # CONFIG_SND_BT87X is not set
> # CONFIG_SND_CS46XX is not set
> # CONFIG_SND_CS4281 is not set
> # CONFIG_SND_EMU10K1 is not set
> # CONFIG_SND_EMU10K1X is not set
> # CONFIG_SND_CA0106 is not set
> # CONFIG_SND_KORG1212 is not set
> # CONFIG_SND_MIXART is not set
> # CONFIG_SND_NM256 is not set
> # CONFIG_SND_RME32 is not set
> # CONFIG_SND_RME96 is not set
> # CONFIG_SND_RME9652 is not set
> # CONFIG_SND_HDSP is not set
> # CONFIG_SND_TRIDENT is not set
> # CONFIG_SND_YMFPCI is not set
> # CONFIG_SND_ALS4000 is not set
> # CONFIG_SND_CMIPCI is not set
> # CONFIG_SND_ENS1370 is not set
> # CONFIG_SND_ENS1371 is not set
> # CONFIG_SND_ES1938 is not set
> # CONFIG_SND_ES1968 is not set
> # CONFIG_SND_MAESTRO3 is not set
> # CONFIG_SND_FM801 is not set
> # CONFIG_SND_ICE1712 is not set
> # CONFIG_SND_ICE1724 is not set
> CONFIG_SND_INTEL8X0=m
> CONFIG_SND_INTEL8X0M=m
> # CONFIG_SND_SONICVIBES is not set
> # CONFIG_SND_VIA82XX is not set
> # CONFIG_SND_VIA82XX_MODEM is not set
> # CONFIG_SND_VX222 is not set
>
> Loaded Modules:
> ---------------
>
> snd_intel8x0 28864 1
> snd_ac97_codec 75256 1 snd_intel8x0
> snd_pcm_oss 50016 0
> snd_mixer_oss 17856 1 snd_pcm_oss
> snd_pcm 82120 3 snd_intel8x0,snd_ac97_codec,snd_pcm_oss
> snd_timer 20740 1 snd_pcm
> snd 45156 8
> snd_intel8x0,snd_ac97_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer
> soundcore 7008 1 snd
> snd_page_alloc 7620 2 snd_intel8x0,snd_pcm
>
> -
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--
Michael Ellerman
OzLabs Canberra
IBM Linux Technology Centre
====================================
Phone: +61 2 6212 1183
Email: michael@ellerman.id.au
WWWeb: http://michael.ellerman.id.au

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