Issue #10418 has been updated by Mike Ryan.

I am also getting what I believe to be the same bug. Puppet will occasionally 
hang forever - strace shows it is continuously select()ing the same file, and 
timing out after two seconds.

I have tried setting listen=false, but the error still occurs. It is quite 
difficult to pin down as I have not been able to reliably replicate it.

root@ip-10-32-45-136:~# cat /etc/issue
Ubuntu 12.04 LTS \n \l
root@ip-10-32-45-136:~# uname -a
Linux ip-10-32-45-136 3.2.0-25-virtual #40-Ubuntu SMP Wed May 23 22:20:17 UTC 
2012 x86_64 x86_64 x86_64 GNU/Linux
root@ip-10-32-45-136:~# puppet -V
2.7.11

Let me know if there is any info I can provide to help with debugging this 
issue.


----------------------------------------
Bug #10418: Puppet agent hangs when listen is true and reading from /proc 
filesystem on redhat
https://projects.puppetlabs.com/issues/10418#change-69042

Author: Jo Rhett
Status: Re-opened
Priority: Normal
Assignee: Patrick Otto
Category: agent
Target version: 
Affected Puppet version: 2.6.12
Keywords: enabledisable hang select proc listen redhat
Branch: 


Mon Oct 31 23:03:31 +0000 2011 Puppet (notice): Caught TERM; calling stop

Ever since the 2.6.12 upgrade I've been seeing these reports reach us. As in, 
about a hundred of a half thou machines. Most of the time we find that 
$vardir/state/puppetdlock is in place and blocking further puppet runs, which 
requires a manual resolution.

I wrote a quick cron script to look for puppetdlock files older than one hour, 
remove them and mail me a report and I've received several dozen in the last 
few hours. Something is clearly broken in 2.6.12, we are backgrading our 
systems to 2.6.11.

No-- I have no other information than that it crosses all of our machine types, 
and we have had no significant changes in our modules in this time period.  
Many of the machines which have failed have had zero module or manifest changes 
which would apply to them.  I cannot get this to replicate on the command line.


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