I found the zombie to be
F S UID PID PPID C PRI NI ADDR SZ WCHAN TTY TIME CMD
4 Z 99 5334 5209 0 75 0 - 0 exit ? 00:00:00
dnsmasq <defunct>
which was started by
root 5209 1 0 2009 ? 00:00:00 libvirtd --daemon
nobody 5334 5209 0 2009 ? 00:00:00 [dnsmasq] <defunct>
I also found 622 cat programs in a sleeping state
root 2213 2211 0 Feb02 ? 00:00:00 cat /sys/hypervisor/uuid
root 2244 2242 0 Feb11 ? 00:00:00 cat /sys/hypervisor/uuid
root 2297 2295 0 Feb14 ? 00:00:00 cat /sys/hypervisor/uuid
root 2314 2312 0 Feb07 ? 00:00:00 cat /sys/hypervisor/uuid
root 2350 2348 0 Jan29 ? 00:00:00 cat /sys/hypervisor/uuid
This is described in a bug report on
https://bugzilla.redhat.com/show_bug.cgi?id=525386
From the history of the bug report, it show that the problem was
resolved. I have not been able to find the resolution.
free
total used free shared buffers
cached
Mem: 16099528 15190480 909048 0 491696
11839316
-/+ buffers/cache: 2859468 13240060
Swap: 6127608 105888 6021720
ps auwwx contains a lot of
??? print progname ":\n"????? progname="";???? }????
{ print; }
root 677 0.0 0.0 3796 400 ? D Feb02 0:00 cat /
sys/hypervisor/uuid
root 698 0.0 0.0 106652 1608 ? S Feb10 0:00 crond
root 699 0.0 0.0 8700 1036 ? Ss Feb10 0:00 /bin/
bash /usr/bin/run-parts /etc/cron.hourly
root 700 0.0 0.0 8700 972 ? S Feb10 0:00 /bin/
bash /etc/cron.hourly/mcelog.cron
root 701 0.0 0.0 8768 668 ? S Feb10 0:00 awk -
v progname=/etc/cron.hourly/mcelog.cron progname {????? print
progname ":\n"????? progname="";???? }???? { print; }
root 702 0.0 0.0 3796 400 ? D Feb10 0:00 cat /
sys/hypervisor/uuid
root 773 0.0 0.0 106652 1608 ? S Feb06 0:00 crond
root 774 0.0 0.0 8700 1040 ? Ss Feb06 0:00 /bin/
bash /usr/bin/run-parts /etc/cron.hourly
root 775 0.0 0.0 8700 964 ? S Feb06 0:00 /bin/
bash /etc/cron.hourly/mcelog.cron
root 776 0.0 0.0 8768 672 ? S Feb06 0:00 awk -
v progname=/etc/cron.hourly/mcelog.cron progname {????? print
progname ":\n"????? progname="";???? }???? { print; }
root 777 0.0 0.0 3796 400 ? D Feb06 0:00 cat /
sys/hypervisor/uuid
root 803 0.0 0.0 106652 1608 ? S Feb02 0:00 crond
root 804 0.0 0.0 8700 1036 ? Ss Feb02 0:00 /bin/
bash /usr/bin/run-parts /etc/cron.hourly
root 805 0.0 0.0 8700 972 ? S Feb02 0:00 /bin/
bash /etc/cron.hourly/mcelog.cron
root 806 0.0 0.0 8768 668 ? S Feb02 0:00 awk -
v progname=/etc/cron.hourly/mcelog.cron progname {????? print
progname ":\n"????? progname="";???? }???? { print; }
root 807 0.0 0.0 3796 400 ? D Feb02 0:00 cat /
sys/hypervisor/uuid
root 837 0.0 0.0 106652 1608 ? S Feb10 0:00 crond
root 838 0.0 0.0 8700 1040 ? Ss Feb10 0:00 /bin/
bash /usr/bin/run-parts /etc/cron.hourly
root 839 0.0 0.0 8700 968 ? S Feb10 0:00 /bin/
bash /etc/cron.hourly/mcelog.cron
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