Re: Fw: crash on x86_64 - mm related?

[Ryan Richter]

On Fri, Dec 02, 2005 at 07:12:19PM +0000, Hugh Dickins wrote:
> On Fri, 2 Dec 2005, Ryan Richter wrote:
> > On Thu, Dec 01, 2005 at 08:21:57PM +0000, Hugh Dickins wrote:
> > > If the problem were easily reproducible, it'd be great if you could
> > > try this patch; but I think you've said it's not :-(
> > 
> > I can throw this in and test it for sure.  I'll run the backups every
> > day for a while to speed up the testing also.
> 
> Thanks - though everyone seems to have agreed that the patch is needed
> whatever: so although it would be interesting to know if it has fixed
> your problem, we're not waiting on you to go forward with it (James
> already invited Linus to pull).
> 
> > Could someone please tell me exactly which patches I should include in
> > the kernel I will boot tomorrow?
> 
> You hit the problem with 2.6.14.2.  My own opinion would be to apply
> just that patch to that release, or to 2.6.14.3 if you prefer.
> 
> Linus was suggesting 2.6.15-rc4 because there's some debug there which
> might have helped identify the offending driver: but your backtrace
> had already showed us the offending driver.  Well, not proven: if a
> page is doubly freed, the one that suffers is not necessarily the one
> that's guilty; but it's a reasonable expectation.  I don't think his
> debug would tell us anything more.

OK, I guess I'll stick with 2.6.14.3 for now, plus your patch.  Should I
keep Kai's st.c patch?  There was some mention of other patches, are
those relevant?  Most of that discussion went over my head...

Thanks,
-ryan
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