On Sun, 2009-12-13 at 21:31 +0000, Arnd Bergmann wrote: > On Sunday 13 December 2009 20:00:18 Daniel Vetter wrote: > > On Sun, Dec 13, 2009 at 12:30:25PM +0000, Arnd Bergmann wrote: > > > And now it's obvious that my computer hates me. 12 hours of uptime, one > > > reboot > > > to check the old other version is broken, it crashes. I reboot into the > > > good version, send out the above email and the next minute it crashes > > > again. > > > c05422d52ee6b is not the culprit. Sorry Daniel for blaming your patch. > > > > No problem. Looks like your hunting a pretty ugly Heisenbug. There's quite > > a interesting blog post by Paul McKenney, esp. the solution to "Quick Quiz > > 1" > > might be usefull in your case: > > > > http://paulmck.livejournal.com/14639.html > > Thanks! In fact I've actually read that post on the kernel planet and decided > to do basically a linear search through the i915 patches merged into 2.6.32. > > The current result is 67cf781bea5 "drm/i915: Make the downclocking debug code > be under DRM_DEBUG not DRM_ERROR." is known bad, while 043029655 "drm/i915: > Support IGD EOS" is probably good, pointing to Jesses 652c393a33 "drm/i915: > add dynamic clock frequency control" as the next best guess. Unfortunately, > that is a rather large change that is not easy to revert on current kernels.
That seems the most likely, perhaps jbarnes can comment. Dave. ------------------------------------------------------------------------------ Return on Information: Google Enterprise Search pays you back Get the facts. http://p.sf.net/sfu/google-dev2dev -- _______________________________________________ Dri-devel mailing list Dri-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/dri-devel
