Re: cmipci driver locking up linux hard

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On Mon, 7 Aug 2006, Takashi Iwai wrote:

> At Fri, 4 Aug 2006 16:22:56 -0700 (PDT),
> Christoph Lameter wrote:
> > 
> > I recently bought a cmpci pci card with support for 6 channel surround 
> > sound. Vendor was PPA Int'l.
> > 
> > I can play music for shorter or longer time period but then it invariably 
> > locks up. If one tries the surround sound then it locks up very fast. 
> > Guess some concurrency issue? Run on a P4M800PROC Motherbord with
> > a Pentium940 (verified that lockup also occurs with single processor).
> 
> Does it happen with 2.6.18rc kernel, too?

Yes. This was reported against 2.6.18-rc3.

 > There is no big change in the driver and it didn't get much troubles.
> One significant fix after 2.6.17 is to disable the support of the
> integrated MPU401 interface as default, which may cause lock up at
> module loading time.

What else could it be? Is there any additional way to get more information 
about the failure?


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