linux-kernel - Re: Lock up - probably ALSA related

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Date:	Mon, 5 Jan 2009 06:29:17 -0500
From:	"Parag Warudkar" <parag.lkml@...il.com>
To:	"Takashi Iwai" <tiwai@...e.de>
Cc:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: Lock up - probably ALSA related

On Mon, Jan 5, 2009 at 4:43 AM, Takashi Iwai <tiwai@...e.de> wrote:
> At Sun, 4 Jan 2009 21:58:21 -0500,
> Parag Warudkar wrote:
>>
>> After installing today's git my laptop has started to partially lock
>> up while listening to audio.  This laptop was previously running
>> distro kernel 2.6 (2.6.27.9-159.fc10.i686) without any trouble.
>
> Which audio hardware?  Does it happen with 2.6.28 kernel, too?
>

Hello,

Hardware is snd-hda-intel. This is a second generation Macbook Pro, no
special options in use.

[parag@...ora ~]$ dmesg|grep ALSA
ALSA sound/pci/hda/hda_codec.c:3419: autoconfig: line_outs=1
(0xc/0x0/0x0/0x0/0x0)
ALSA sound/pci/hda/hda_codec.c:3423:    speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
ALSA sound/pci/hda/hda_codec.c:3427:    hp_outs=1 (0xa/0x0/0x0/0x0/0x0)
ALSA sound/pci/hda/hda_codec.c:3428:    mono: mono_out=0x0
ALSA sound/pci/hda/hda_codec.c:3436:    inputs: mic=0xb, fmic=0x0,
line=0xf, fline=0x0, cd=0x0, aux=0x0
ALSA sound/pci/hda/patch_sigmatel.c:2908: stac92xx: dac_nids=1
(0x3/0x0/0x0/0x0/0x0)

[parag@...ora ~]$ cat /proc/asound/devices
  2:        : timer
  3:        : sequencer
  4: [ 0- 1]: digital audio playback
  5: [ 0- 1]: digital audio capture
  6: [ 0- 0]: digital audio playback
  7: [ 0- 0]: digital audio capture
  8: [ 0- 0]: hardware dependent
  9: [ 0]   : control

[parag@...ora ~]$ cat /proc/asound/cards
 0 [Intel          ]: HDA-Intel - HDA Intel
                      HDA Intel at 0xd8400000 irq 22

I think if I remember correctly it happened on 2.6.28 - but I need to
test out once again to make sure.

Thanks

Parag
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