[MPICH] understanding the signal numbers of the crashes

Anthony Chan chan at mcs.anl.gov
Thu Jun 21 21:30:15 CDT 2007

On linux, the "signal" manpage contains a list of standard signals and
their meanings or you can google the phase "unix signal number".


On Thu, 21 Jun 2007, Kamaraju Kusumanchi wrote:

> Hi all
>     Is there any book/document/webpage which explains what different
> signal numbers mean? For example, when executing an MPI program I am
> getting an error as follows.
> exit status of rank 3: killed by signal 9
> From previous discussions on this list, I know that Signal 11 means
> segmentation fault. But what about signal 9? What about other signal
> numbers?
> I googled and got no hits. I also looked in the "mpich2 User's guide"
> version 1.0.5 which does not explain the signal codes. Any other
> pointers/suggestions?
> thanks
> raju

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