[mythtv-users] debugging backend problems

M L Truscott mltruscott at btinternet.com
Tue Apr 24 18:11:41 UTC 2007


Thanks for the idea -off to check dmesg now...

Michael

On Monday 23 April 2007 23:42:27 Geoff Mishkin wrote:
> My roommate is also having intermittent backend crashes where the
> mythbackend progress will exit with a GPF.  This is visible in dmesg, so
> you should see if anything shows up there for you (I know the
> mythbackend.log file is almost useless in these cases).
>
> What I recommended, but we have yet to try, is recompiling with debug
> support and running the backend under the debugger.  We've recompiled
> MythTV and QT with debug support, so hopefully that's enough to get a
> good backtrace.  You'll also need to make sure your compiled binaries
> aren't stripped.
>
> Then you start the backend from gdb (the GNU debugger).  This will
> probably cause a performance hit; I'm not sure how much.  Hopefully not
> enough to make it completely unusable.
>
>              --Geoff Mishkin <gmishkin at bu.edu>
>
> M L Truscott wrote:
> > I am having 2 serious problems with my system as the backend crashes on a
> > too regular basis and I occassionaly get blank recordings with the
> > message "the recording cannot be found".
> >
> > How do I find the root causes of these problems?
> >
> > The log in /var/log just stops for the backend halting - no error
> > messages.
> >
> > I am running this in Britain on a Ubuntu Feisty machine if it helps.
> >
> > Michael
> > _______________________________________________
> > mythtv-users mailing list
> > mythtv-users at mythtv.org
> > http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
>
> _______________________________________________
> mythtv-users mailing list
> mythtv-users at mythtv.org
> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users


More information about the mythtv-users mailing list