[Bug 39202] FPS - KDE desktop effects with 3.0 rc6 kernel

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=39202

--- Comment #25 from Siganderson <dj_def at webmail.it> 2011-08-18 02:39:36 PDT ---
After a hell of attempts I'm at this point:
git bisect start
git bisect bad 40471856f2e38e9bfa8d605295e8234421110dd6
git bisect good 047f61c5d16d617e1df2deea5c5d5fb2a1b41c95
Bisecting: 352 revisions left to test after this (roughly 9 steps)

The bad thing is that I can't compile many kernels in this range because of
this error:
arch/x86/kernel/entry_32.S:1422: Error: .size expression for apf_page_fault
does not evaluate to a constant

So I launched git bisect visualize and gave a look to the most interesting
commits. There is a sequence of commits in drm, some of them related to radeon
and vblank.
Could be one of these the bad one? (I can't compile them because of that error)

Is there a way to see if one of these commits caused the problem without
compiling the kernel?

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