Re: [BUG] Lockless patches cause hardlock under heavy IO

Nick Piggin
2008-06-23T02:30:06Z

On Monday 23 June 2008 01:18, Ryan Hope wrote:
> Well in the current version of the patchset we are using, one user
> would start playing some game (disabling "Disable Heap Randomization"
> fixed the hardlocks for him... the other user got hardlocks when
> copying an ISO from a reiser4 partition to a reiserfs partition
> (disabling swap fixed the issue for him).

Hmm, nobody has reported such a hang with -mm yet, so maybe it
is another interaction in the patchset. OTOH, probably nobody
much uses -mm and reiser4, and reiser4 does lots of weird fiddling
with pagecache so it could be broken in -mm even.