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Message-ID: <s5hvdirzets.wl%tiwai@suse.de>
Date: Wed, 07 Oct 2009 12:19:27 +0200
From: Takashi Iwai <tiwai@...e.de>
To: Loïc Grenié <loic.grenie@...il.com>
Cc: linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: SB600 sound module disabled on kexec
At Wed, 7 Oct 2009 12:09:43 +0200,
Loïc Grenié wrote:
>
> 2009/10/7 Takashi Iwai <tiwai@...e.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
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