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I have 40 Ubuntu 12.04 servers. These servers are managed with puppet. Sometimes I have problem with puppet agent. puppet agent spawn child process (sh) and this process fails. Sh is zombie process. Puppet doesn't work, I must restart puppet agent to make it works.

I use puppet to manage files, packages and services. Problematic agent didn't make any change before fails, server is up to date.

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Are you running puppet as a daemon or as a cron job? What's the full command of the sh process? (You can use ps aux | grep sh for this.) – Ladadadada Oct 22 '12 at 9:02
sh, it's only sh, this is weird. – esio Oct 22 '12 at 9:14
root@XXX:~# ps aux | grep 13281 root 13281 0.0 0.0 0 0 ? Z 15:43 0:00 [sh] <defunct> – esio Oct 22 '12 at 14:32
Maybe you have a bad Exec declaration in your puppet manifests, like with mismatched quotes, empty command, or something? – user6803 Oct 22 '12 at 14:51
On other nodes with same configuration is ok. – esio Oct 23 '12 at 17:33
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