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SubjectRe: scsi: aic7xxx hang since v2.6.28-rc1 ...

* Alan Stern <stern@rowland.harvard.edu> wrote:

> On Wed, 18 Feb 2009, Ingo Molnar wrote:
>
> >
> > * Alan Stern <stern@rowland.harvard.edu> wrote:
> >
> > > I have no idea if this will make any difference for the
> > > problem you're seeing, but it has been submitted and it's
> > > worth trying out. If the problem still occurs, I'll write a
> > > diagnostic patch to add log messages giving the destiny of
> > > each request in scsi_io_completion().
> >
> > OK, i've undone the reverts and have applied your fix - it will
> > take a few hours to see whether the hang still occurs.
>
> Any definitive results yet?

Yes, as i wrote before, the bug is fixed.

> It turns out that the patch I posted earlier is not quite
> correct; the "__scsi_release_buffers(cmd, 0);" line in
> scsi_end_request() was added after the patch was first written
> and then got lost during rebasing.

Yeah, rebasing is a really bad idea in general.

> If this really does fix your problem and nobody has any other
> objections to it, I'll submit a revised version with the
> missing line added back in.

Sure, no objections.

Ingo


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