[asterisk-users] How to generate core dump?

[Tzafrir Cohen]

On Wed, Mar 04, 2009 at 09:32:43AM +0100, Klaus Darilion wrote:
> 
> 
> Mark Michelson schrieb:
> > Ken D'Ambrosio wrote:
> >> Asterisk segfaulted on me the other day; how do I tell it to generate a
> >> core file so -- if it happens again -- I can attempt to debug?  I looked
> >> in the obvious places in "make menuconfig" and didn't see anything
> >> appropriate.
> >>
> >> Thanks,
> >>
> >> -Ken
> >>
> >>
> > 
> > Run Asterisk with the -g option and it will dump a core file if it should crash.
> 
> If you also want to specify the location/file name this can be useful 
> too (man core)
> 
> echo "/tmp/core.%p" > /proc/sys/kernel/core_pattern

Hmm.. this way you can't tell which executable generated it . 

  echo "/tmp/core.%e.%t" > /proc/sys/kernel/core_pattern

Or maybe (untested)

 echo "|/usr/local/sbin/core_handler '%e' '%s'"

See the kernel documentation:

  http://kernel.org/doc/Documentation/sysctl/kernel.txt

This is handy for those of you with limited disk space. OTOH, it will
probably not work on "legacy" systems with kernel 2.6.18.

-- 
               Tzafrir Cohen
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