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SubjectRe: frequent lockups in 3.18rc4
On 2014.11.15 at 22:33 -0800, Linus Torvalds wrote:
> On Sat, Nov 15, 2014 at 5:40 PM, Dave Jones <davej@redhat.com> wrote:
> > >
> > > I'll try that next, and check in on it tomorrow.
> >
> > No luck. Died even faster this time.
>
> Yeah, and your other lockups haven't even been TLB related. Not that
> they look like anything else *either*.
>
> I have no ideas left. I'd go for a bisection

Before starting a bisection you could try and disable transparent_hugepages.
There are strange bugs, that were introduced during this merge-window, in this
area. See: https://lkml.org/lkml/2014/11/4/144
https://lkml.org/lkml/2014/11/4/904
http://thread.gmane.org/gmane.linux.kernel.mm/124451

--
Markus


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