[mythtv] Need help catching a segfault in mythbackend?

Mark Paulus mark.paulus at verizonbusiness.com
Tue May 22 16:19:25 UTC 2007

Mitko Haralanov wrote:
> On Tue, 22 May 2007 11:08:34 -0500
> Matt Rude <mythtv at mattrude.com> wrote:
>> Try running running GDB and see what you get
> Yeah, I already thought of that but it doesn't help since the segfault
> happens when I am not around.
> Unless, I modify /etc/init.d/mythbackend to start gdb instead of
> mythbackend, your suggesting does not seem very viable.

You could change /etc/init.d/mythbackend  to start gdb also and attach it to 
the running mythtv-backend process.  Or, you could run mythtv-backend
under strace.  Just prepare for large amounts of logging output
if you use strace.

using gdb attached is probably a better option, as sometimes running
things under/within a diagnostic environment can throw timings off 
enough to make race conditions actually work correctly, and so, no 
error is shown.
Mark Paulus
2424 Garden of the Gods Rd  | Phone:  v622-5578 / 719-535-5578
0419/117 - LEC Access ; D5-1010   | FAX:    719-535-1665
Colo Springs, CO  80919    | 1800PageMCI / 1406052
AIM : mgpaulus1    /  sametime : mark.paulus

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