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Date: Fri, 06 May 2011 00:04:14 +0200
From: Thomas Sattler <tsattler@....de>
To: Andrea Arcangeli <aarcange@...hat.com>
CC: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: iotop: khugepaged at 99.99% (2.6.38.X)
It happened again: This time with 2.6.38.4 after 13 days uptime.
In fact it was "13 days after last boot", since this machine is
hibernated quite often. I waited only two minutes before I run
'reboot' as root.
> Please next time can you run SYSRQ+t too in addition of SYSRQ+l?
See http://pastebin.com/raw.php?i=XnXXfC40 (It seems to me SYSRQ+l
did not work at all? And does also not work on 2.6.38.5?)
see http://pastebin.com/raw.php?i=Zuv0VnUP for 'top/iotop'
> You can run also a "ps xal" to see the actual scheduler task
> state.
I had no access to my mails and forgot to run 'ps xal'. :-(
> If we understand what it is, it'll be easy to tell if it was already
> fixed in 2.6.38.4 but I doubt unless it's not related to MM.
Definitely not fixed in 2.6.38.4.
Thomas
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