Re: [RFT] Major snd_hda rewrite

On Wed, Jan 18, 2012 at 06:02:13PM +0200, Alexander Motin wrote:
> On 01/12/12 15:04, Yuri Pankov wrote:
> > On Thu, Jan 12, 2012 at 02:57:52PM +0200, Alexander Motin wrote:
> >> On 01/12/12 14:18, Yuri Pankov wrote:
> >>> On Wed, Jan 11, 2012 at 09:33:17PM +0200, Alexander Motin wrote:
> >>>> I would like request for testing of my work on further HDA sound driver
> >>>> improvement.
> >>> [...]
> >>>> Patch can be found here:
> >>>> http://people.freebsd.org/~mav/hda.rewrite.patch
> >>>>
> >>>> Patch was generated for 10-CURRENT, but should apply to fresh 9-STABLE
> >>>> and 8-STABLE branches also.
> >>>
> >>> Patch applied cleanly to r230008 using `svn patch`.
> >>>
> >>> hdacc0:<NVidia GT220 HDA CODEC>   at cad 0 on hdac0
> >>> hdaa0:<NVidia GT220 HDA CODEC Audio Function Group>   at nid 1 on hdacc0
> >>> pcm0:<NVidia GT220 HDA CODEC PCM (DisplayPort 8ch)>   at nid 5 on hdaa0
> >>> hdacc1:<NVidia GT220 HDA CODEC>   at cad 1 on hdac0
> >>> hdaa1:<NVidia GT220 HDA CODEC Audio Function Group>   at nid 1 on hdacc1
> >>> pcm1:<NVidia GT220 HDA CODEC PCM (DisplayPort 8ch)>   at nid 5 on hdaa1
> >>> hdacc2:<NVidia GT220 HDA CODEC>   at cad 2 on hdac0
> >>> hdaa2:<NVidia GT220 HDA CODEC Audio Function Group>   at nid 1 on hdacc2
> >>> pcm2:<NVidia GT220 HDA CODEC PCM (DisplayPort 8ch)>   at nid 5 on hdaa2
> >>> hdacc3:<NVidia GT220 HDA CODEC>   at cad 3 on hdac0
> >>> hdaa3:<NVidia GT220 HDA CODEC Audio Function Group>   at nid 1 on hdacc3
> >>> pcm3:<NVidia GT220 HDA CODEC PCM (DisplayPort 8ch)>   at nid 5 on hdaa3
> >>> hdacc4:<IDT 92HD75BX HDA CODEC>   at cad 0 on hdac1
> >>> hdaa4:<IDT 92HD75BX HDA CODEC Audio Function Group>   at nid 1 on hdacc4
> >>> pcm4:<IDT 92HD75BX HDA CODEC PCM (Analog)>   at nid 13 and 11 on hdaa4
> >>> pcm5:<IDT 92HD75BX HDA CODEC PCM (Analog)>   at nid 15 and 24 on hdaa4
> >>> pcm6:<IDT 92HD75BX HDA CODEC PCM (Front Digital)>   at nid 30 on hdaa4
> >>>
> >>> pcm4 (builtin speakers) and pcm5 (headphones) seem to work fine, however
> >>
> >> Thank you.
> >>
> >>> I'm not getting anything out of pcm0-pcm3 (connected to a TV via HDMI),
> >>> mplayer just pauses at the beggining, trying to cat anything to
> >>> /dev/dsp{0-3}.0 gives:
> >>>
> >>> pcm0: chn_write(): pcm0:virtual:dsp0.vp0: play interrupt timeout, channel dead
> >>>
> >>> It was the same with the old driver and I'm not sure if it's (most
> >>> likely) my misconfiguration or a driver problem.
> >>
> >> It sounds more like a driver problem. HDMI audio is still not very well
> >> discovered area, and, according to ALSA reading, NVidia HDMI is also not
> >> very standard. Probably I'll finally have to buy something to
> >> experiment. What card do you have?
> >
> > It's a laptop with "nVidia Corporation GT216 [GeForce GT 230M]" (as
> > identified by x11/nvidia-driver).
> 
> I've reproduced it on NVidia GT210. It seems there is some problem with 
> MSI generation. Switching to legacy PCI interrupts fixes problem for me. 
> Linux HDA driver disables MSI for all NVidia controllers.
> 
> Try to add hint.hdac.0.msi=0 into the /boot/loader.conf.

Sorry for delay. Indeed, setting hint.hdac.0.msi=0 helped.


Thanks,
Yuri