http://bugs.freedesktop.org/show_bug.cgi?id=10529





------- Comment #4 from [EMAIL PROTECTED]  2007-04-06 04:55 PST -------
(In reply to comment #3)
> Ok, I can git it a try, though the version I used for 6.5.1 was prepackaged on
> Gentoo. I tried several other pre-packaged versions there and no change, which
> is what led me to try a GIT version.
> 
> Any suggestions on how to proceed (never performed a bisect before)? I suspect
> it's in the i915 code, but not entirely sure. 
It doesn't really matter where the bug was.
If you know 6.5.1 works and 6.5.2 doesn't, you'd do:
git bisect start
git bisect good mesa_6_5_1 (you could use any sha1 id here too)
git bisect bad mesa_6_5_2
then do a make and test
depending if it worked or not, type git bisect good or git bisect bad
repeat the last two steps until git spits out the broken revision.
It can happen the compile fails because of partial rebuild, try a make
realclean in that case. If the compile really fails or you can't test the bug
you want because of other broken things, git bisect can deal with that too. See
the git-bisect man page.


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