Re: snd_hda_intel on 2.6.16

Alejandro Bonilla
2006-03-31T18:20:39Z

On Fri, 31 Mar 2006 19:47:43 +0200, Takashi Iwai wrote
> 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?

Yes, it is just a bit faster. In 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.
root@ubuntu:~# echo 1 > /sys/bus/pci/drivers/HDA\
Intel/module/parameters/position_fix
-bash: /sys/bus/pci/drivers/HDA Intel/module/parameters/position_fix:
Permission denied

It might take me awhile to unload all the modules and try loading it again. :)
I'll get back to you.

and

I will try the new patch when gets merged.

>
> > > > 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.

The file is too big, any hint of what you might want to look at?

>
> 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?

No, if I boot back to 2.6.15-19 it works.

>
> Takashi

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