- **status**: assigned --> review
---
** [tickets:#1281] base: Dump stack trace to file on fatal signals**
**Status:** review
**Milestone:** 4.7-Tentative
**Created:** Tue Mar 24, 2015 10:05 AM UTC by Anders Widell
**Last Updated:** Tue Mar 24, 2015 10:05 AM UTC
**Owner:** hano
Sometimes, core dumps are either lost or difficult to analyze, for example
because the binaries and/or libraries that were used at the time of the fault
are no longer available.
To aid trouble shooting in such cases, the suggestion is to install a signal
handler for fatal signals (SIGHUP, SIGILL, SIGABRT, SIGFPE, SIGSEGV, SIGPIPE,
SIGALARM, SIGTERM, SIGBUS). The signal handler should open a file and dump the
stack trace to that file, and then re-raise the signal to continue standard
signal handling. It should also check if the signal was sent by another
process, and in that case dump the identity of the sender.
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