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SubjectRe: seeing some "Bad page state in process.." msgs....
Date
Gautam Thaker wrote:
> I am running 2.6.26.6-rt11-1.2944.fc6.emulab-highmem #1 SMP PREEMPT RT
>
> My test pgm is a java pgm that has about 650 threads in it (i am doing
> some stress testing). This test runs w/o any kernel messages when run on
> vanilla 2.6.25 kernel. But w/ the above RT kernel I see some kernel msgs
> that I do not understand.
>
> ANy hints?
>
> root@node0> time java -classpath .:../../../utils/hist Test1 500 10001
> 1 > out.500_senders_RT
>
> Message from syslogd@node0 at Mon Nov 10 18:54:14 2008 ...
> node0 kernel: Bad page state in process 'java'
>
> Message from syslogd@node0 at Mon Nov 10 18:54:14 2008 ...
> node0 kernel: page:c8a690b8 flags:0x80000000 mapping:c8a690c8 mapcount:0
> count:0
>
> Message from syslogd@node0 at Mon Nov 10 18:54:14 2008 ...
>
> Message from syslogd@node0 at Mon Nov 10 18:54:14 2008 ...
> node0 kernel: Trying to fix it up, but a reboot is needednode0
> kernel: Backtrace:
>
> <MY ADDED NOTE: NO Backtrace is produced.>

You should be able to get this from dmesg, or from /var/log/messages if
you rebooted already..

>
> root@node0> uname -a
> Linux node0.onepc2950rtnode.atlqos.emulab.atl.lmco.com
> 2.6.26.6-rt11-1.2944.fc6.emulab-highmem #1 SMP PREEMPT RT Sat Nov 8
> 20:10:03MST 2008 i686 i686 i386 GNU/Linux
> root@node0>
>



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