Issue #7141 has been updated by Chip Schweiss.

Status changed from Closed to Re-opened
Target version changed from 2.7.x to 2.6.x

Redhat has release another kernel and the problem remains.  Puppet needs to fix 
the problem of hanging indefinitely.  

This problem could stay around for the remainder of Redhat/Centos 5.  Not 
updating the kernel to keep puppet running is not a solution. Neither is 
shutting off 'listen = true'.
----------------------------------------
Bug #7141: puppetd runs fail in 'daemon' mode when stat'ing /proc files
https://projects.puppetlabs.com/issues/7141

Author: Matt Wise
Status: Re-opened
Priority: High
Assignee: Ben Hughes
Category: file
Target version: 2.6.x
Affected Puppet version: 2.6.5
Keywords: 
Branch: 


I accidentally had a tree that Puppet was watching (auditing) with a few files 
that pointed to the /proc filesystem. Manual puppet runs worked perfectly, but 
background 'daemon' runs would hang. After a bit of stracing, I found that the 
hang started as soon as the puppet process tried to look at these /proc 
symlinked files. Again, manual puppet runs worked perfectly, but the daemon 
background runs are the ones that failed. Removing the symlinks solves the 
problem, but this is a bug of some kind.. I'm just not sure where. 

OS: CentOS 5.5
Puppet Ver: 2.6.5

<pre>
rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
lstat("/apps/kickstart/rhel55-x64-generic/test/etc/mtab", 
{st_mode=S_IFLNK|0777, st_size=12, ...}) = 0
readlink("/apps/kickstart/rhel55-x64-generic/test/etc/mtab", "/proc/mounts"..., 
100) = 12
rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
stat("/usr/lib/ruby/site_ruby/1.8/digest/md5.rb", 0x7fffa4070a00) = -1 ENOENT 
(No such file or directory)
stat("/usr/lib/ruby/site_ruby/1.8/digest/md5.so", 0x7fffa4070a00) = -1 ENOENT 
(No such file or directory)
stat("/usr/lib64/ruby/site_ruby/1.8/digest/md5.rb", 0x7fffa4070a00) = -1 ENOENT 
(No such file or directory)
stat("/usr/lib64/ruby/site_ruby/1.8/digest/md5.so", 0x7fffa4070a00) = -1 ENOENT 
(No such file or directory)
stat("/usr/lib64/ruby/site_ruby/1.8/x86_64-linux/digest/md5.rb", 
0x7fffa4070a00) = -1 ENOENT (No such file or directory)
stat("/usr/lib64/ruby/site_ruby/1.8/x86_64-linux/digest/md5.so", 
0x7fffa4070a00) = -1 ENOENT (No such file or directory)
stat("/usr/lib/ruby/site_ruby/digest/md5.rb", 0x7fffa4070a00) = -1 ENOENT (No 
such file or directory)
stat("/usr/lib/ruby/site_ruby/digest/md5.so", 0x7fffa4070a00) = -1 ENOENT (No 
such file or directory)
stat("/usr/lib64/ruby/site_ruby/digest/md5.rb", 0x7fffa4070a00) = -1 ENOENT (No 
such file or directory)
stat("/usr/lib64/ruby/site_ruby/digest/md5.so", 0x7fffa4070a00) = -1 ENOENT (No 
such file or directory)
stat("/usr/lib64/site_ruby/1.8/digest/md5.rb", 0x7fffa4070a00) = -1 ENOENT (No 
such file or directory)
stat("/usr/lib64/site_ruby/1.8/digest/md5.so", 0x7fffa4070a00) = -1 ENOENT (No 
such file or directory)
stat("/usr/lib64/site_ruby/1.8/x86_64-linux/digest/md5.rb", 0x7fffa4070a00) = 
-1 ENOENT (No such file or directory)
stat("/usr/lib64/site_ruby/1.8/x86_64-linux/digest/md5.so", 0x7fffa4070a00) = 
-1 ENOENT (No such file or directory)
stat("/usr/lib64/site_ruby/digest/md5.rb", 0x7fffa4070a00) = -1 ENOENT (No such 
file or directory)
stat("/usr/lib64/site_ruby/digest/md5.so", 0x7fffa4070a00) = -1 ENOENT (No such 
file or directory)
stat("/usr/lib/ruby/1.8/digest/md5.rb", 0x7fffa4070a00) = -1 ENOENT (No such 
file or directory)
stat("/usr/lib/ruby/1.8/digest/md5.so", 0x7fffa4070a00) = -1 ENOENT (No such 
file or directory)
stat("/usr/lib64/ruby/1.8/digest/md5.rb", 0x7fffa4070a00) = -1 ENOENT (No such 
file or directory)
stat("/usr/lib64/ruby/1.8/digest/md5.so", 0x7fffa4070a00) = -1 ENOENT (No such 
file or directory)
stat("/usr/lib64/ruby/1.8/x86_64-linux/digest/md5.rb", 0x7fffa4070a00) = -1 
ENOENT (No such file or directory)
stat("/usr/lib64/ruby/1.8/x86_64-linux/digest/md5.so", {st_mode=S_IFREG|0755, 
st_size=8776, ...}) = 0
open("/usr/lib64/ruby/1.8/x86_64-linux/digest/md5.so", O_RDONLY) = 8
close(8)                                = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
open("/apps/kickstart/rhel55-x64-generic/test/etc/mtab", O_RDONLY) = 8
rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
select(9, [5 8], [], [], {0, 796826})   = 0 (Timeout)
select(9, [5 8], [], [], {0, 0})        = 0 (Timeout)
rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
select(9, [8], [], [], {0, 0})          = 0 (Timeout)
rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
select(9, [5 8], [], [], {2, 0})        = 0 (Timeout)
select(9, [5 8], [], [], {0, 0})        = 0 (Timeout)
select(9, [8], [], [], {0, 0})          = 0 (Timeout)
rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
select(9, [5 8], [], [], {1, 999999})   = 0 (Timeout)
select(9, [5 8], [], [], {0, 0})        = 0 (Timeout)
select(9, [8], [], [], {0, 0})          = 0 (Timeout)
rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
rt_sigprocmask(SIG_BLOCK, NULL, [], 8)  = 0
select(9, [5 8], [], [], {1, 999998})   = 0 (Timeout)
select(9, [5 8], [], [], {0, 0})        = 0 (Timeout)
select(9, [8], [], [], {0, 0})          = 0 (Timeout)
...

</pre>


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