On Monday 18 May 2015 08:45:52 Ingo Molnar wrote: > > * Gabriele Mazzotta <[email protected]> wrote: > > > Hi, > > > > I've recently noticed that if I suspend and resume my laptop, I can no > > longer execute turbostat. This is what I get when I try to start it: > > # turbostat > > Could not migrate to CPU 1 > > turbostat: re-initialized with num_cpus 4 > > Could not migrate to CPU 1 > > > > Since everything works as expected with v4.0, I ran a bisection and > > found that commit 3c18d447b3b36a8d ("sched/core: Check for available > > DL bandwidth in cpuset_cpu_inactive()") is the cause of the regression. > > > > I don't know if there's something else affected by that change, but > > I can consistently reproduce the bug with turbostat. > > > > I can provide more info if needed. > > Does this commit: > > 533445c6e533 sched/core: Fix regression in cpuset_cpu_inactive() for suspend > > which is already in Linus's tree, and which should be part of -rc4, > fix it? Also attached below.
Yes, this fixes the problem, thanks. Sorry for not noticing it. Gabriele -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/

