[Bug 15276] latest git kernel: general protection fault: 0000 [#1]

[bugzilla-daemon@bugzilla.kernel.org]

http://bugzilla.kernel.org/show_bug.cgi?id=15276





--- Comment #10 from Michał Witkowski <neuro@o2.pl>  2010-02-13 07:41:38 ---
(In reply to comment #8)
> (In reply to comment #7)
> > Curious thing is, that these crashes didn't happen in vanilla 2.6.33-rc6. They
> > started appearing in a kernel built with the patch for bug 15186. It still
> > happens in kernel 2.6.33-rc7 (one crash in Hex Empire, one in present windows).
> 
> Any chance you can use git bisect to track down the problematic commit?

Could you please clarify how this should be done? A small howto would be nice,
as I'm not good with git.

I presume this means building numerous kernels at various git points, right? Is
there a way to narrow it down to only the radeon patches so that the number of
kernels rebuilt will be lower?

The problem is, I can't find a 100% reproducible case. The closest I got is the
flash Hex Empire get which crashes after 2-5 minutes. Testing it that way would
be problematic though.

Just a question: If I revert to vanilla 2.6.33rc6 and see that there are no
hard-locks, would that be enough to pinpoint the problem to the bug 15186 fix?
I started encountering problems after applying the fix to vanilla 2.6.33rc-6.

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