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SubjectRe: mm, vmscan: commit makes PAE kernel crash nightly (bisected)
On Wed 01-02-17 03:29:28, Trevor Cordes wrote:
> On 2017-01-30 Michal Hocko wrote:
[...]
> > Testing with Valinall rc6 released just yesterday would be a good fit.
> > There are some more fixes sitting on mmotm on top and maybe we want
> > some of them in finall 4.10. Anyway all those pending changes should
> > be merged in the next merge window - aka 4.11
>
> After 30 hours of running vanilla 4.10.0-rc6, the box started to go
> bonkers at 3am, so vanilla does not fix the bug :-( But, the bug hit
> differently this time, the box just bogged down like crazy and gave
> really weird top output. Starting nano would take 10s, then would run
> full speed, then when saving a file would take 5s. Starting any prog
> not in cache took equally as long.

Could you try with to_test/linus-tree/oom_hickups branch on the same git
tree? I have cherry-picked "mm, vmscan: consider eligible zones in
get_scan_count" which might be the missing part.

Thanks!
--
Michal Hocko
SUSE Labs

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