On Thu, 29 Nov 2007, Mark Lord wrote:
> Alan Stern wrote:
> > On Thu, 29 Nov 2007, Mark Lord wrote:
> >
> >>> So again, the problem is in the higher up scsi layer, and that is where
> >>> the problem should already be fixed.
> >> ..
> >>
> >> Ahhh.. so you figure the Oops should also have been fixed
> >> as part of the 2.6.24 SCSI fixes ? That's what I was missing here.
> >
> > Yes indeed. I wish I could point you to the exact patch containing the
> > fix, but the git software seems to have lost track of it (it's combined
> > in with a large number of other patches with no obvious way to separate
> > it out). It's also available in the various mailing list archives, but
> > I don't have a pointer to it and there's no reasonable way to search
> > for it.
> >
> > The patch in question was written by Matthew Wilcox; it added code to
> > the SCSI async-scanning routines to utilize the scan_mutex. IMO it
> > should have been applied to 2.6.23 but it wasn't.
Wait -- I found it:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=6b7f123f378743d739377871c0cbfbaf28c7d25a
Try applying that to 2.6.23 (it should merge with minimal problems)
and do your stress testing again. Note also the date the patch was
submitted: June 26.
> Ahh. Well, thanks for the *great* followup, Alan!
You're welcome.
Alan Stern
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