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SubjectRe: Crash in MM code in v4.4.y, v4.9.y with TRANSPARENT_HUGEPAGE enabledg
On Fri, Aug 17, 2018 at 03:39:07PM -0700, Andi Kleen wrote:
> On Fri, Aug 17, 2018 at 03:27:33PM -0700, Guenter Roeck wrote:
> > Hi,
> >
> > the following crash is seen in v4.4.148, v4.4.149, v4.9.120, and v4.9.121
> > with CONFIG_TRANSPARENT_HUGEPAGE=y, CONFIG_TRANSPARENT_HUGEPAGE_MADVISE=y.
>
> Just to confirm, it's not in mainline right? So only in backports?
>

I have only seen it in v.4.4.y and v4.9.y. v4.14.y does not seem to be
affected.

> There's also a report for 4.17 in
>
> https://bugzilla.redhat.com/show_bug.cgi?id=1618792
>
This is a different traceback, so it is most likely a different
problem.

I did not test v4.17.y. I'll do that (and v4.18.y, and mainline)
for completeness tonight.

Guenter

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