8.1-RELEASE: snd_hda works as module only, suspend/resume leaves
display off
Stefan Walter
stefan at freebsd.org
Wed Dec 1 07:02:14 UTC 2010
Alexander Motin, 30.11.10, 22:07h CET:
> On 30.11.2010 22:12, Stefan Walter wrote:
> > Stefan Walter, 15.11.10, 10:37h CET:
> >> Audio with snd_hda(4) works, but only if loaded as a module AND only if I
> >> load the module AFTER booting. If I compile it into the kernel or add
> >> snd_hda_load="YES" to /boot/loader.conf, dmesg shows the following:
> >>
> >> hdac0: HDA Codec #0: ATI RS690/780 HDMI
> >> pcm0:<HDA ATI RS690/780 HDMI PCM #0 HDMI> at cad 0 nid 1 on hdac0
> >> hdac1: HDA Codec #0: Realtek ALC885
> >> pcm1:<HDA Realtek ALC885 PCM #0 Analog> at cad 0 nid 1 on hdac1
> >> pcm2:<HDA Realtek ALC885 PCM #1 Analog> at cad 0 nid 1 on hdac1
> >> pcm3:<HDA Realtek ALC885 PCM #2 Digital> at cad 0 nid 1 on hdac1
> >>
> >> mixer(8) shows:
> >>
> >> Mixer vol is currently set to 75:75
> >> Mixer pcm is currently set to 75:75
> >>
> >> There is no audio in that case. Unloading and reloading the module (or
> >> just loading the module manually after the boot process) logs:
> >>
> >> hdac0:<ATI SB600 High Definition Audio Controller> mem 0xfe024000-0xfe027fff irq 16 at device 20.2 on pci0
> >> hdac0: HDA Driver Revision: 20100226_0142
> >> hdac0: [ITHREAD]
> >> hdac0: HDA Codec #0: Realtek ALC885
> >> hdac1:<ATI (Unknown) High Definition Audio Controller> mem 0xfdffc000-0xfdffffff irq 19 at device 5.1 on pci1
> >> hdac1: HDA Driver Revision: 20100226_0142
> >> hdac1: [ITHREAD]
> >> hdac1: HDA Codec #0: ATI RS690/780 HDMI
> >> pcm0:<HDA Realtek ALC885 PCM #0 Analog> at cad 0 nid 1 on hdac0
> >> pcm1:<HDA Realtek ALC885 PCM #1 Analog> at cad 0 nid 1 on hdac0
> >> pcm2:<HDA Realtek ALC885 PCM #2 Digital> at cad 0 nid 1 on hdac0
> >> pcm3:<HDA ATI RS690/780 HDMI PCM #0 HDMI> at cad 0 nid 1 on hdac1
> >>
> >> mixer then shows:
> >>
> >> Mixer vol is currently set to 75:75
> >> Mixer pcm is currently set to 75:75
> >> Mixer speaker is currently set to 75:75
> >> Mixer line is currently set to 75:75
> >> Mixer mic is currently set to 0:0
> >> Mixer mix is currently set to 0:0
> >> Mixer rec is currently set to 75:75
> >> Mixer igain is currently set to 0:0
> >>
> >> Audio then seems to work fine. (Plugging earphones into the computer's
> >> case's front plugs doesn't do anything, though - audio still comes from
> >> the speakers attached to the plug at the back of the case. Any ideas about
> >> that?) Loading snd_hda from a startup script would probably work, but I
> >> guess that's not the way it was meant to work.
> >
> > Unfortunately, the recent update to 8-STABLE didn't change anything with
> > these problems - any ideas, anyone?
>
> Loading driver aftre boot seems have different device probe order. That
> causes HDMI HDA codec on video card to be probed either first or second.
> It is not snd_hda problem and could be handled just by choosing right
> pcm device to use (possibly via hw.snd.default_unit sysctl).
Indeed - setting hw.snd.default_unit to 1 helped.
> Lack of audio redirection can probably be explained by CODEC
> configuration made by BIOS. I suppose that front connectors are
> configured as separate pcm device.
Ah, OK - seems like you're right again. Setting hw.snd.default_unit to the
other analog one directed the sound to the front plugs. Thanks a lot!
Regards,
Stefan
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 651 bytes
Desc: not available
Url : http://lists.freebsd.org/pipermail/freebsd-stable/attachments/20101201/8ac9a407/attachment.pgp
More information about the freebsd-stable
mailing list