linux-kernel - Re: 2.6.33.1 regression: sound splutters

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Message-ID: <s5hhbnx1xen.wl%tiwai@suse.de>
Date:	Tue, 30 Mar 2010 20:23:28 +0200
From:	Takashi Iwai <tiwai@...e.de>
To:	Harald Dunkel <harri@...ics.de>
Cc:	Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: 2.6.33.1 regression: sound splutters

At Tue, 30 Mar 2010 13:40:59 +0200,
Harald Dunkel wrote:
> 
> Hi folks,
> 
> With 2.6.33.1 and 2.6.34-rc2 sound splutters for my PC. Moving
> back to 2.6.29.8 makes the problem go away.

Hm, it's a bit old to bisect.  What about 2.6.32.*?

> lspci:
> 00:1b.0 Audio device: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) High Definition Audio Controller (rev 04)
>         Subsystem: AOPEN Inc. Device 0575
>         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: 32 bytes
>         Interrupt: pin A routed to IRQ 18
>         Region 0: Memory at d4340000 (64-bit, non-prefetchable) [size=16K]
>         Capabilities: <access denied>
>         Kernel driver in use: HDA Intel
> 
> Can anybody reproduce this? Please mail if I can help to track
> this down.

First try the freshly released 2.6.34-rc3.  If the problem persists,
run alsa-info.sh with --no-upload option, and attach the generated file
for further analysis.
The script is found in www.alsa-project.org.


thanks,

Takashi
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