[Bug 938669] Re: upstart jobs do not respect /etc/security/limits.conf

[Steve Langasek]

It's by design that upstart does not look at /etc/security/limits.conf
for system jobs.  PAM settings are only applied to user sessions, not to
system services.

As Alexander comments, we do want to apply PAM limits to user jobs,
something which is currently not implemented; but that's not what this
bug report is about, so closing.

** Changed in: upstart (Ubuntu)
       Status: Triaged => Invalid

** Changed in: upstart
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/938669

Title:
  upstart jobs do not respect /etc/security/limits.conf

Status in CUPS - Common Unix Printing System:
  New
Status in Upstart:
  Invalid
Status in “upstart” package in Ubuntu:
  Invalid

Bug description:
  I run a terminalserver under Ubuntu 11.10 (oneiric) and CUPS
  1.5.0-8ubuntu6. Unfortunately i get "Max clients reached, holding new
  connections..." error.

  I try to increase the MaxClients value to 8192 in /etc/cups/cupsd.conf
  (and LogLevel to debug) but CUPS reduces this to 1/3 of file
  descriptor limit from the system with is by default 1024:

  /var/log/cups/error_log 
  I [22/Feb/2012:12:02:37 +0100] Using default TempDir of /var/spool/cups/tmp...
  I [22/Feb/2012:12:02:37 +0100] MaxClients limited to 1/3 (341) of the file descriptor limit (1024)...
  I [22/Feb/2012:12:02:37 +0100] Configured for up to 341 clients.

  Also i try to set higher file descriptor limit in /etc/security/limits.conf
  root hard nofile 64000
  root soft nofile 64000

  and also add "session required pam_limits.so" to /etc/pam.d/common-
  session but CUPS set still MaxClients to 341.

  Ulimit seams to works fine:
  root at ts:~# ulimit -n
  64000

  Before i upgrade to Oneiric i have same configuration on Ubuntu 10.04
  Lucid and CUPS 1.4.3-1ubuntu1 with works fine.

  This seams to by a similar bug to:
  https://bugzilla.redhat.com/show_bug.cgi?id=446023

  Lets me know if you need some more information.

  BR Pawel

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