On 04/11/2013 12:45 AM, Stanislaw Gruszka wrote: > On Mon, Apr 08, 2013 at 08:57:16AM -0700, Dave Hansen wrote: >> On 04/04/2013 04:41 PM, Frederic Weisbecker wrote: >>> Does this patch fix the issue for you? >>> https://lkml.org/lkml/2013/4/4/112 >> >> Nope, that doesn't seem to make a difference. I'm still seeing the >> underflow. I'm pretty sure it's already gone to hell by the time it >> gets in to the loop that's patched there. > > Perhaps this is glich introduced by commit > 62188451f0d63add7ad0cd2a1ae269d600c1663d "cputime: Avoid multiplication > overflow on utime scaling" . Could you try to revert it and see if that > helps. If it does not, can you check if problem happen on 3.8 ?
I'll run a bit longer, but reverting 62188451f0d63add7ad0cd2a1ae269d600c1663d _does_ seem to make it happier. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
