Re: [3/5] 2.6.21-rc4: known regressions (v2)

Adrian Bunk
2007-03-26T19:46:40Z

On Mon, Mar 26, 2007 at 09:39:29PM +0200, Frederic Riss wrote:
> 2007/3/26, Adrian Bunk <bunk@stusta.de>:
> >On Mon, Mar 26, 2007 at 08:53:20PM +0200, Frédéric Riss wrote:
> >
> >>... (In fact it hangs at the second suspend, but that's another ATA
> >> problem that I think has already been reported).
> >
> >This sounds like the MSI problem.
> >
> >Do you have CONFIG_PCI_MSI enabled?
> >If yes, does disabling it fix it?
>
> Yes
>
> >If yes, does CONFIG_PCI_MSI=y with the patch from [1] work?
>
> Yes !

Thanks for your testing.

> Just to be 100% clear, the hang I was seeing at the second suspend is this
> one:
>
> Subject : second suspend to disk in a row results in an oops (libata?)
> References : http://lkml.org/lkml/2007/3/17/43
> Submitter : Thomas Meyer <thomas@m3y3r.de>
> Status : unknown
>
> I'm not sure it was associated with the MSI issue yet.

That's what I was calling "the MSI problem".
Since my latest regression list actual cause and patch have been found.

> Thanks a lot,
> Fred
>
> >[1] http://lkml.org/lkml/2007/3/24/136

cu
Adrian

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