[Bug 1169740] Re: rsyslog hangs loading modules

[Adam Stokes]

** Patch added: "rsyslog_5.8.11-2ubuntu1.1.raring.debdiff"
   https://bugs.launchpad.net/ubuntu/+source/rsyslog/+bug/1169740/+attachment/3646945/+files/rsyslog_5.8.11-2ubuntu1.1.raring.debdiff

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https://bugs.launchpad.net/bugs/1169740

Title:
  rsyslog hangs loading modules

Status in “rsyslog” package in Ubuntu:
  Confirmed
Status in “rsyslog” source package in Precise:
  New
Status in “rsyslog” source package in Quantal:
  New
Status in “rsyslog” source package in Raring:
  Confirmed

Bug description:
  [Impact]
  We have rsyslog configured to listen for forwarded logs on TCP and UDP, and to forward logs on to a central log host. On a number of occasions we have observed rsyslog in a hung state on our production machines -- not fowarding logs and not writing them to disk locally. It doesn't happen all the time, so I believe there's some sort of race condition involved.

  I've attached a stack trace taken when the process was hung. I believe
  the issue is the same as the one discussed here: http://www.gossamer-
  threads.com/lists/rsyslog/users/5873 There is a patch attached to that
  thread.

  [Test Case]
  << TBD >>

  [Regression Potential]
  This is a fix for a deadlock issue it is pretty difficult to determine if fixing a race condition would impact anything else, however, testing from the community hasn't raised any concerns.

  Ubuntu 12.04.1 LTS x86_64
  rsyslog 5.8.6-1ubuntu8

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