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SubjectRe: dbench has intermittent hang on 2.6.0-test1-ac2
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dbench 32 hang on 2.6.0-test2.  /proc/PID/wchan shows
dbench process in sys_pause, /proc/PPID/wchan shows
other dbench in sys_wait4.

kill -CONT on the two dbench PIDs has the child
wchan change to __pdflush, but the processes don't
appear to continue, nor exit. After waiting a couple
minutes, I did kill on both PIDs and dbench exited.

This was ext2 filesystem. Previous was ext3 and
reiserfs.

sysrq t after "kill -CONT" is at:
http://home.earthlink.net/~rwhron/kernel/sysrq.txt

--
Randy Hron
http://home.earthlink.net/~rwhron/kernel/bigbox.html

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