[Bugs] #2471 UNSP: No way to set RLIMIT_NPROC for apache

[Sugar Labs Bugs]

#2471: No way to set RLIMIT_NPROC for apache
------------------------------------------+---------------------------------
    Reporter:  alsroot                    |          Owner:  sascha_silbe               
        Type:  defect                     |         Status:  new                        
    Priority:  Unspecified by Maintainer  |      Milestone:  Unspecified by Release Team
   Component:  infrastructure             |        Version:  Unspecified                
    Severity:  Unspecified                |       Keywords:                             
Status_field:  Unconfirmed                |   Distribution:  Unspecified                
   Seeta_dev:                             |  
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 At some point, sunjammer apache started failing to start with errors like:

 {{{
 [Fri Oct 22 15:44:26 2010] [notice] [mod_asn] compiled with APR/APR-Util
 1.2.12/1.2.12
 [Fri Oct 22 15:44:26 2010] [warn] RSA server certificate CommonName (CN)
 `www.sugarlabs.org' does NOT match server name!?
 [Fri Oct 22 15:44:26 2010] [warn] Init: Name-based SSL virtual hosts only
 work for clients with TLS server name indication support (RFC 4366)
 [Fri Oct 22 15:44:26 2010] [notice] suEXEC mechanism enabled (wrapper:
 /usr/lib/apache2/suexec)
 [Fri Oct 22 15:44:26 2010] [notice] [mod_asn] compiled with APR/APR-Util
 1.2.12/1.2.12
 [Fri Oct 22 15:44:26 2010] [notice] mod_python: Creating 8 session mutexes
 based on 256 max processes and 0 max threads.
 [Fri Oct 22 15:44:26 2010] [notice] mod_python: using mutex_directory /tmp
 [Fri Oct 22 15:44:26 2010] [warn] RSA server certificate CommonName (CN)
 `www.sugarlabs.org' does NOT match server name!?
 [Fri Oct 22 15:44:26 2010] [warn] Init: Name-based SSL virtual hosts only
 work for clients with TLS server name indication support (RFC 4366)
 [Fri Oct 22 15:44:26 2010] [warn] mod_wsgi: Compiled for Python/2.6.1+.
 [Fri Oct 22 15:44:26 2010] [warn] mod_wsgi: Runtime using Python/2.6.5.
 [Fri Oct 22 15:44:26 2010] [warn] mod_wsgi: Python module path
 '/usr/lib/python2.6/:/usr/lib/python2.6/plat-linux2:/usr/lib/python2.6
 /lib-tk:/usr/lib/python2.>
 [Fri Oct 22 15:44:26 2010] [alert] (11)Resource temporarily unavailable:
 mod_wsgi (pid=30583): Unable to change to uid=33.
 [Fri Oct 22 15:44:26 2010] [alert] (11)Resource temporarily unavailable:
 mod_wsgi (pid=30581): Unable to change to uid=33.
 [Fri Oct 22 15:44:26 2010] [alert] (11)Resource temporarily unavailable:
 mod_wsgi (pid=30586): Unable to change to uid=33.
 [Fri Oct 22 15:44:26 2010] [alert] (11)Resource temporarily unavailable:
 mod_wsgi (pid=30582): Unable to change to uid=33.
 [Fri Oct 22 15:44:26 2010] [alert] (11)Resource temporarily unavailable:
 mod_wsgi (pid=30646): Unable to change to uid=33.
 [Fri Oct 22 15:44:26 2010] [alert] (11)Resource temporarily unavailable:
 mod_wsgi (pid=30656): Unable to change to uid=33.
 [Fri Oct 22 15:44:26 2010] [alert] (11)Resource temporarily unavailable:
 mod_wsgi (pid=30657): Unable to change to uid=33.
 [Fri Oct 22 15:44:26 2010] [alert] (11)Resource temporarily unavailable:
 mod_wsgi (pid=30658): Unable to change to uid=33.
 [Fri Oct 22 15:44:26 2010] [alert] (11)Resource temporarily unavailable:
 mod_wsgi (pid=30712): Unable to change to uid=33.
 [Fri Oct 22 15:44:26 2010] [alert] (11)Resource temporarily unavailable:
 mod_wsgi (pid=30727): Unable to change to uid=33.
 [Fri Oct 22 15:44:26 2010] [alert] (11)Resource temporarily unavailable:
 mod_wsgi (pid=30729): Unable to change to uid=33.
 [Fri Oct 22 15:44:26 2010] [alert] (11)Resource temporarily unavailable:
 mod_wsgi (pid=30728): Unable to change to uid=33.
 [Fri Oct 22 15:44:26 2010] [alert] (11)Resource temporarily unavailable:
 mod_wsgi (pid=30746): Unable to change to uid=33.
 [Fri Oct 22 15:44:26 2010] [alert] (11)Resource temporarily unavailable:
 mod_wsgi (pid=30803): Unable to change to uid=33.
 [Fri Oct 22 15:44:26 2010] [alert] (11)Resource temporarily unavailable:
 mod_wsgi (pid=30801): Unable to change to uid=33.
 [Fri Oct 22 15:44:26 2010] [alert] (11)Resource temporarily unavailable:
 mod_wsgi (pid=30850): Unable to change to uid=33.
 [Fri Oct 22 15:44:26 2010] [alert] (11)Resource temporarily unavailable:
 setuid: unable to change to uid: 33
 [Fri Oct 22 15:44:26 2010] [alert] (11)Resource temporarily unavailable:
 setuid: unable to change to uid: 33
 [Fri Oct 22 15:44:26 2010] [alert] (11)Resource temporarily unavailable:
 setuid: unable to change to uid: 33
 [Fri Oct 22 15:44:26 2010] [alert] (11)Resource temporarily unavailable:
 setuid: unable to change to uid: 33
 [Fri Oct 22 15:44:26 2010] [alert] (11)Resource temporarily unavailable:
 setuid: unable to change to uid: 33
 [Fri Oct 22 15:44:27 2010] [notice] Apache/2.2.14 (Ubuntu) mod_asn/1.5
 mod_mirrorbrain/2.13.4 Phusion_Passenger/2.2.7 PHP/5.2.6-3ubuntu4.6 with
 Suhosin-Patch >
 [Fri Oct 22 15:44:27 2010] [alert] Child 30852 returned a Fatal error...
 Apache is exiting!
 }}}

 but started work after:
 {{{
 # ulimit -u 700
 # apache2ctl restart
 }}}

-- 
Ticket URL: <http://bugs.sugarlabs.org/ticket/2471>
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