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Date: Fri, 31 Mar 2006 19:47:43 +0200
Message-ID: <s5hsloypku8.wl%tiwai@suse.de>
From: Takashi Iwai <tiwai@suse.de>
To: "Alejandro Bonilla" <abonilla@linuxwireless.org>
Cc: Lee Revell <rlrevell@joe-job.com>, linux-kernel@vger.kernel.org
Subject: Re: snd_hda_intel on 2.6.16
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At Fri, 31 Mar 2006 10:49:19 -0600,
Alejandro Bonilla wrote:
> 
> On Fri, 31 Mar 2006 11:40:58 -0500, Lee Revell wrote
> > On Fri, 2006-03-31 at 10:29 -0600, Alejandro Bonilla wrote:
> > > Hi,
> > > 
> > > I read about a problem with snd_hda_intel latelly on 2.6.16. I was not having
> > > this on 2.6.15-19 but looks like it is "chip-monking"
> > >
> > 
> > Too cryptic.  What exactly is the problem?
> 
> The sound is like at 1.2x. Just a little bit faster but noticeable.

Faster?  You mean pitch or only playback speed?
It's the first report I've heard.  Usually, the regression is either
noisy output or silence...

Try position_fix=1, or a different value, if the latest ALSA version
still doesn't work.


> > > I use linux2.6 git and it is still present. Just wanted to let you'll know
> > > about it.
> > > 
> > > Should anyone need any info, please let me know.
> > >
> > 
> > Well, for starters, your hardware info ("hda-intel" describes 1000s 
> > of slightly different devices).
> 
> 0000:00:1b.0 0403: Intel Corporation 82801G (ICH7 Family) High Definition
> Audio Controller (rev 02)
>         Subsystem: Hewlett-Packard Company: Unknown device 30a0
>         Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
> Stepping- SERR- FastB2B-
>         Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort-
> <TAbort- <MAbort- >SERR- <PERR-
>         Latency: 0, Cache Line Size: 0x10 (64 bytes)
>         Interrupt: pin A routed to IRQ 50
>         Region 0: Memory at d8240000 (64-bit, non-prefetchable) [size=16K]
>         Capabilities: [50] Power Management version 2
>                 Flags: PMEClk- DSI- D1- D2- AuxCurrent=55mA
> PME(D0+,D1-,D2-,D3hot+,D3cold+)
>                 Status: D0 PME-Enable- DSel=0 DScale=0 PME-
>         Capabilities: [60] Message Signalled Interrupts: 64bit+ Queue=0/0 Enable-
>                 Address: 0000000000000000  Data: 0000
>         Capabilities: [70] #10 [0091]
> 
> Pretty much, I almost only know it is Conexant.

Better check /proc/asound/card0/codec#* files.

Sigh, Conexant.  It's a problematic one.  They don't give any
technical information.

> > 
> > Does it work with the latest ALSA CVS or 1.0.11-rc4?
> 
> I don't know. It was working with 2.6.15-X


Any other changes on your system except for kernel?


Takashi
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