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#1 (**permalink**) 01-05-2008, 02:48 AM

Hello-

Users are complaining of lag on one of the AIX boxes. Seems fine to
me, in the shell anyway, but running `topas` I see a process 'pp2def'
using huge amounts of CPU time (anywhere from 30%-60%) and my
previously ~90% idle system is now 0% idle. I did a find on the entire
system and can't find a 'pp2def' proggy anywhere. `ps -eaf` doesn't
show it, yet `ps -k` does, which leads me to believe it's a kernel
process. Anyone know what it is, what it does, why it might be acting
like a CPU sink?

#2 (**permalink**) 01-05-2008, 03:01 AM

I think that this is related to the EMC powerpath device driver.

"a_g_lyph@hotmail.com" <a_g_lyph@hotmail.com> wrote in message news:<cd8i80$aul@odbk17.prod.google.com>...
> Hello-
>
> Users are complaining of lag on one of the AIX boxes. Seems fine to
> me, in the shell anyway, but running `topas` I see a process 'pp2def'
> using huge amounts of CPU time (anywhere from 30%-60%) and my
> previously ~90% idle system is now 0% idle. I did a find on the entire
> system and can't find a 'pp2def' proggy anywhere. `ps -eaf` doesn't
> show it, yet `ps -k` does, which leads me to believe it's a kernel
> process. Anyone know what it is, what it does, why it might be acting
> like a CPU sink?

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pp2def (?) in topas