At Wed, 18 Oct 2006 10:02:19 -0700,
Stephen Hemminger wrote:
>
> On Wed, 18 Oct 2006 12:24:54 +0200
> Takashi Iwai <[email protected]> wrote:
>
> > At Tue, 17 Oct 2006 14:40:53 -0700,
> > Stephen Hemminger wrote:
> > >
> > > On Tue, 17 Oct 2006 23:13:01 +0200
> > > Adrian Bunk <[email protected]> wrote:
> > >
> > > > On Thu, Oct 05, 2006 at 11:08:57PM +0200, Prakash Punnoor wrote:
> > > > > Am Donnerstag 05 Oktober 2006 19:30 schrieb Fatih A????c??:
> > > > > > 2006/10/5, Prakash Punnoor <[email protected]>:
> > > > > > > Hi,
> > > > > > >
> > > > > > > subjects say it all. Without irqpoll my nic doesn't work anymore. I added
> > > > > > > Ingo
> > > > > > > to cc, as my IRQs look different, so it may be a prob of APIC routing or
> > > > > > > the
> > > > > > > like.
> > > > >
> > > > > > > Can you try booting with pci=nomsi ? I have a similar problem with my
> > > > >
> > > > > I used snd-hda-intel.disable_msi=1 and this actually helped! Now the nforce
> > > > > nic works w/o problems. So it was the audio driver causing havoc on the nic.
> > > > >...
> > > >
> > > > Unless someone finds and fixes what causes such problems, I'd therefore
> > > > suggest the patch below to let MSI support to be turned off by default.
> > > >
> > > > cu
> > > > Adrian
> > > >
> > >
> > > It shouldn't be that hard to write a small bit of code to force an interrupt
> > > and catch it, that's what other drivers do to workaround the BIOS braindamage
> > > that seems to be rampant (until M$ Vista comes out and supports MSI).
> >
> > OK, what about a patch like below?
> >
> > It's against the latest ALSA tree, so please pull alsa.git from
> > git://kernel.org/pub/scm/linux/kernel/git/perex/alsa.git
> > before applying it (this tree includes only patches to be pushed to
> > 2.6.19).
> >
> >
> > Takashi
> >
>
> Don't you need to check return value from pci_enable_msi()?
Yes, it would be better to check the value and reset chip->msi if
not successful. But it's not a fatal error, so the current code
should work.
Takashi
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