The system takes over

Norman Gaywood norm at
Mon Nov 25 19:07:00 CST 2002

On Mon, Nov 25, 2002 at 06:17:49PM -0600, Steve_Boley at wrote:
> Looks like sshd is hanging processes and loading up the system.  When you
> did the ps -auxwf your sshd process is showing 99.9% cpu utilization.

But could that not be the ps being starved of CPU because the processors
are spending so much time in "system time"? There are other ssh sessions
running top that don't have a high %CPU. I would think that the ps
command has a high %CPU because that was the command that was running at
the time.

The CPU section in top does not look "normal" to me:

  8:52pm  up  4:48,  5 users,  load average: 40.11, 34.19, 23.98
157 processes: 121 sleeping, 36 running, 0 zombie, 0 stopped
CPU0 states:  0.3% user, 98.227% system,  0.0% nice,  1.583% idle
CPU1 states:  0.3% user, 98.405% system,  0.0% nice,  1.405% idle
CPU2 states:  0.2% user, 97.747% system,  0.0% nice,  2.64% idle
CPU3 states:  0.1% user, 98.28% system,  0.0% nice,  1.784% idle
CPU4 states:  0.3% user, 98.201% system,  0.0% nice,  1.609% idle
CPU5 states:  0.2% user, 98.304% system,  0.0% nice,  1.507% idle
CPU6 states:  0.3% user, 98.257% system,  0.0% nice,  1.553% idle
CPU7 states:  0.3% user, 98.246% system,  0.0% nice,  1.564% idle
Mem:  16280784K av, 14486564K used, 1794220K free,       0K shrd, 640K buff
Swap: 33559768K av,       0K used, 33559768K free 13724140K cached

Those % system times look too high.

Anyway, I trying the new:


I've set off the rsync again and am watching the numbers. At least I
haven't had the tg3 hang yet! It's only been a few hours so far.

Norman Gaywood -- School of Mathematical and Computer Sciences
University of New England, Armidale, NSW 2351, Australia
norm at
Phone: +61 2 6773 2412     Fax: +61 2 6773 3312

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