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SubjectRe: [PATCH 0/3] Use an alternative to _PAGE_PROTNONE for _PAGE_NUMA v4
On Sat, Apr 19, 2014 at 03:46:00PM +0800, Fengguang Wu wrote:
> On Thu, Apr 17, 2014 at 10:06:55AM +0100, Mel Gorman wrote:
> > On Thu, Apr 17, 2014 at 10:59:12AM +0800, Fengguang Wu wrote:
> > > On Tue, Apr 15, 2014 at 03:41:13PM +0100, Mel Gorman wrote:
> > > > Fengguang Wu found that an earlier version crashed on his
> > > > tests. This version passed tests running with DEBUG_VM and
> > > > DEBUG_PAGEALLOC. Fengguang, another test would be appreciated and
> > > > if it helps this series is the mm-numa-use-high-bit-v4r3 branch in
> > > > git://git.kernel.org/pub/scm/linux/kernel/git/mel/linux-balancenuma.git
> > >
> > > Hi Mel,
> > >
> > > We noticed the below changes. The last_state.is_incomplete_run 0=>1 change
> > > means the test box failed to boot up. Unfortunately we don't have
> > > serial console output of this testbox, it may be hard to check the
> > > root cause. Anyway, I'll try to bisect it to make the debug easier.
> > >
> >
> > The bisection will be pretty small and probably point to the last patch.
>
> Sorry I find it is lkp-a04 that is not reliable: by increasing test
> count of v3.14, it boot hangs, too..
>

Is there any chance this is a regression introduced for 3.14 then?

--
Mel Gorman
SUSE Labs


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