Messages in this thread | | | Date | Tue, 11 Mar 2014 09:23:05 -0400 | From | Sasha Levin <> | Subject | Re: bad rss-counter message in 3.14rc5 |
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On 03/11/2014 09:20 AM, Cyrill Gorcunov wrote: > 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?
We can sprinkle printk()s wherever might be useful, might not be 100% accurate but should be close enough to confirm/deny the theory.
Thanks, Sasha
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