Public bug reported:

# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 13.04
Release:        13.04
Codename:       raring

# uname -a
Linux think 3.8.0-18-generic #28-Ubuntu SMP Thu Apr 11 19:38:55 UTC 2013 x86_64 
x86_64 x86_64 GNU/Linux

2013-04-19 22:35:34 MSK LOG:  shutting down
2013-04-19 22:35:34 MSK LOG:  database system is shut down
2013-04-19 22:35:50 MSK FATAL:  could not create shared memory segment: Invalid 
argument
2013-04-19 22:35:50 MSK DETAIL:  Failed system call was shmget(key=5432001, 
size=41263104, 03600).
2013-04-19 22:35:50 MSK HINT:  This error usually means that PostgreSQL's 
request for a shared memory segment exceeded your kernel's SHMMAX parameter.  
You can either reduce the request size or reconfigure the kernel with larger 
SHMMAX.  To reduce the request size (currently 41263104 bytes), reduce 
PostgreSQL's shared memory usage, perhaps by reducing shared_buffers or 
max_connections.
        If the request size is already small, it's possible that it is less 
than your kernel's SHMMIN parameter, in which case raising the request size or 
reconfiguring SHMMIN is called for.
        The PostgreSQL documentation contains more information about shared 
memory configuration.

# sysctl kernel.shmmax
kernel.shmmax = 268435456

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: postgresql-9.1 9.1.9-1ubuntu1
ProcVersionSignature: Ubuntu 3.8.0-18.28-generic 3.8.6
Uname: Linux 3.8.0-18-generic x86_64
ApportVersion: 2.9.2-0ubuntu8
Architecture: amd64
Date: Mon Apr 22 23:10:50 2013
InstallationDate: Installed on 2013-04-14 (8 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20130402.1)
MarkForUpload: True
SourcePackage: postgresql-9.1
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: postgresql-9.1 (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug raring

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https://bugs.launchpad.net/bugs/1171583

Title:
  Failed system call was shmget

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