Annoying whitenoise sound coming from snd_hda enabled chipset

[Yoshihiro Ota]

Hi.

This problem was gone once back in Febrary.

I was away from 8-current and came back to 8-BETA1/2.
Then, now I hear this noise again.

Alexander, do you have any ideas for this time, too?

Thanks,
Hiro

On Sat, 28 Feb 2009 01:52:07 -0500
Yoshihiro Ota <ota at j.email.ne.jp> wrote:

> On Fri, 27 Feb 2009 13:42:58 +0200
> Alexander Motin <mav at FreeBSD.org> wrote:
> 
> > Yoshihiro Ota wrote:
> > > On Thu, 26 Feb 2009 22:05:29 +0200
> > > Alexander Motin <mav at FreeBSD.org> wrote:
> > > 
> > >> Yoshihiro Ota wrote:
> > >>> On Tue, 24 Feb 2009 21:57:27 +0200
> > >>> Alexander Motin <mav at FreeBSD.org> wrote:
> > >>>> Yoshihiro Ota wrote:
> > >>>>> In my case, with hdac or pcm device, 8-CURRENT fails to boot very requentry.
> > >>>>> It fails to prove a device and doesn't proceed farthar than that point.
> > >>>>> Now it only boots once in 5 or 10 reboots.
> > >>>>>
> > >>>>> When it boots, it prints lots of following messages.
> > >>>>>
> > >>>>> hdac0: HDA Codec #0: Conexant CX20549 (Venice)
> > >>>>> hdac0: unable to allocate widgets!
> > >>>>> hdac0: unable to allocate widgets!
> > >>>>> hdac0: unable to allocate widgets!
> > >>>>> hdac0: unable to allocate widgets!
> > >>>>> hdac0: unable to allocate widgets!
> > >>>>> hdac0: hdac_command_send_internal: TIMEOUT numcmd=1, sent=1, received=0
> > >>>>> hdac0: hdac_command_send_internal: TIMEOUT numcmd=1, sent=1, received=0
> > >>>>> hdac0: hdac_command_send_internal: TIMEOUT numcmd=1, sent=1, received=0
> > >>>>> hdac0: hdac_command_send_internal: TIMEOUT numcmd=1, sent=1, received=0
> > >>>>> hdac0: hdac_command_send_internal: TIMEOUT numcmd=1, sent=1, received=0
> > >>>>>
> > >>>>> I think this started happening about a week ago or so, sometime between
> > >>>>> 13 and 16th.
> > >>>> The only significant change last time was enabling MSI by default. But I 
> > >>>> don't think it should lead to such errors. I have tried even operation 
> > >>>> completely without interrupts working and there is not such errors. Can 
> > >>>> you send me complete verbose dmesg with the problem and `pciconf -lvc` 
> > >>>> output?
> > >>>>
> > >>>> Also you may try to disable MSI by setting 'hint.hdac.0.msi=0' hint.
> > >>> Once I disabled snd_hda_load="YES" in /boot/loader.conf, it comes up
> > >>> all times.  However, when I run "kldload snd_hda", the system stops responding,
> > >>> i.e. crashes.
> > >>>
> > >>> So, now I added 'hint.hdac.0.msi="0"' in the hint; then, system comes up fine.
> > >>> I tried "kldload snd_hda" and got the following output.
> > >>> System didn't crash after adding the hint so that I added snd_hda_load="YES"
> > >>> back to /boot/loader.conf.
> > >> I have committed a patch to the CURRENT that should disable MSI for your 
> > >> HDA controller by default. Test it please.
> > > 
> > > That's r189086, isn't it?
> > > 
> > > So, for testing, I will remove hint.hdac.0.msi and add 'snd_hda_load="YES"' back.
> > > Does that sound valid test?
> > 
> > Yes. 'snd_hda_load="YES"' is on your wish.
> 
> System comes up without problems now.
> 
> Thanks,
> Hiro