Re: SB600 sound module disabled on kexec

[Takashi Iwai <tiwai@suse.de>]

At Wed, 7 Oct 2009 12:09:43 +0200,
Loïc Grenié wrote:
> 
> 2009/10/7 Takashi Iwai <tiwai@suse.de>:
> > At Sun, 4 Oct 2009 15:39:41 +0200,
> > Loïc Grenié wrote:
> >>
> >>     Hi,
> >>
> >>     I have had this problem for a long time and not reported
> >>   it earlier. Sorry. This might have been true already for
> >>   2.6.18...
> >>
> >>     I have a laptop with an ATI (AMD) SB600 south bridge
> >>   including a sound module. When I boot the kernel from the
> >>   bootloader, there is no problem: hda-intel drives the module.
> >>   When I kexec the kernel, there is a problem with IRQ
> >>   configuration and the sound is disabled.
> >
> > Could you check whether enable_msi=1 option for snd-hda-intel has
> > any influence?  I 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