Re: SB600 sound module disabled on kexec

[Takashi Iwai]

At Wed, 7 Oct 2009 12:09:43 +0200,
LoÃc Grenià wrote:
> 
> 2009/10/7 Takashi Iwai <tiwai@xxxxxxx>:
> > At Sun, 4 Oct 2009 15:39:41 +0200,
> > LoÃc Grenià wrote:
> >>
> >> Â Â Hi,
> >>
> >> Â Â I have had this problem for a long time and not reported
> >> Â it earlier. Sorry. This might have been true already for
> >> Â 2.6.18...
> >>
> >> Â Â I have a laptop with an ATI (AMD) SB600 south bridge
> >> Â including a sound module. When I boot the kernel from the
> >> Â bootloader, there is no problem: hda-intel drives the module.
> >> Â When I kexec the kernel, there is a problem with IRQ
> >> Â configuration and the sound is disabled.
> >
> > Could you check whether enable_msi=1 option for snd-hda-intel has
> > any influence? ÂI enabled this as default for 2.6.33, and I'd like to
> > know any good/bad influence by that.
> 
>     No, it does not: on bootloader-boot snd-hda-intel  loads correctly and
>   sound is enabled, on kexec however sound is disabled with the same
>   "cannot grab IRQ 0" message.

Thanks, at least it's good to know that enable_msi=1 doesn't break
things :)


Takashi
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