On Tue, Jul 16, 2013 at 09:59:35AM -0400, Vince Weaver wrote:
> On Mon, 15 Jul 2013, Linus Torvalds wrote:
>
> > On Mon, Jul 15, 2013 at 7:38 PM, Dave Jones <da...@redhat.com> wrote:
> >
> > > Interestingly, the 'soft lockups' I was
> > > seeing all the time on that box seem to have gone into hiding.
> >
> > Honestly, I'm somewhat inclined to blame the whole perf situation, and
> > saying that we hopefully got that fixed. In between the silly do_div()
> > buglets and all the indications that the time was spent in nmi
> > handlers, I'd be willing to just ignore them as false positives
> > brought on by the whole switch to the perf irq..
>
> Did the perf soft lockups go away with 3.11-rc1?
>
> 734df5ab549ca44f40de0f07af1c8803856dfb18 finally got committed,
> and it fixes a major long-standing perf-related NMI soft lockup bug I
> found when fuzzing.
That could be it. I never got around to trying that commit standalone
when you first pointed it out.
thanks,
Dave
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