Re: frequent lockups in 3.18rc4
From: Linus Torvalds
Date: Sun Nov 16 2014 - 13:33:31 EST
On Sun, Nov 16, 2014 at 2:06 AM, Markus Trippelsdorf
> 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
Those look different, and hopefully should be fixed by commit
1d5bfe1ffb5b ("mm, compaction: prevent infinite loop in
compact_zone"). Which admittedly isn't in -rc4 (it went in on
Thursday), but I think Dave tends to run git-of-the-day rather than
last rc, so he probably already had it.
I *think* that if it was the infinite compaction problem, you'd have
the soft-lockup reports showing that. Dave's are in random places.
Which is odd.
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