Re: bad rss-counter message in 3.14rc5

From: Cyrill Gorcunov
Date: Tue Mar 11 2014 - 09:20:41 EST


On Tue, Mar 11, 2014 at 01:30:17AM -0400, Dave Jones wrote:
> > > >
> > > > I don't see any holes in regular migration. Do you know if this is
> > > > reproducible with CONFIG_NUMA_BALANCING=n or CONFIG_NUMA=n?
> > >
> > > CONFIG_NUMA_BALANCING was n already btw, so I'll do a NUMA=n run.
> >
> > There probably isn't much point unless trinity is using
> > sys_move_pages(). Is it? If so it would be interesting to disable
> > trinity's move_pages calls and see if it still fails.
>
> Ok, with move_pages excluded it still oopses.

Dave, is it possible to somehow figure out was someone reading pagemap file
at moment of the bug triggering?
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