nicky wrote:
Hello,
This morning i had another 'sleeping' 6-stable box. I don't really
understand why it sleeps. I've checked acpi, but i doubt that is it.
Since at the time when it goes to sleep, it does some heavy
processing. I don't think it would choose to go to sleep then. The
most funny thing is, when you go to the console. You press Enter, just
Enter, you don't login, just punch the Enter button and the box
continues where it stopped. I typed in 'top' as soon as i could, which
showed the table below.
The script commands capture the output of some shells scripts.
last pid: 59391; load averages: 13.19, 4.43,
2.70 up 14+17:21:56 08:43:04
93 processes: 15 running, 78 sleeping
CPU states: 5.7% user, 0.0% nice, 44.3% system, 0.0% interrupt,
50.0% idle
Mem: 433M Active, 1577M Inact, 194M Wired, 158M Cache, 112M Buf, 644M
Free
Swap: 8192M Total, 320K Used, 8192M Free
PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND
58989 root 1 127 0 1340K 764K RUN 0 504:42 38561.75%
script
58986 root 1 127 0 1340K 764K RUN 0 504:41 38547.86%
script
58988 root 1 131 0 1340K 764K RUN 0 1:07 438.67% script
58990 root 1 131 0 1340K 764K RUN 2 0:43 337.69% script
58987 root 1 126 0 1340K 764K RUN 2 0:50 249.75% script
Is it safe for me to assume that something is hogging my cpu, not
allowing any other processes to get some cpu time? As a result the box
does not respond to anything, like pinging?
Or does top has a weird way of showing the cpu times when it has been
sleeping?
While i still find it rather weird, that pressing Enter seems to solve
it.
I hope someone can send some advice or hints my way.
Regards,
Nick
While trying to find out what is eating my CPU and probably making my
box sleep. I've found something weird with /usr/bin/script.
Assume the following small sh script called sleep.sh.
#!/bin/sh
while [ 1 ]; do
sleep 3
echo "slept"
done
I'm executing the following: script outputfile ./sleep.sh
Executed from a terminal window, all is as i would have expected. No CPU
hogging and doing like it should.
However if i execute it from cron, my CPU is used to the full 100%.
Is this a bug and should i report it?
Regards,
Nick
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