[mythtv-users] mythpreviewgen, mythcomflag, backend restarts and other errors in my backend log

John Nissley jnissley at nissley.org
Tue Nov 25 16:17:23 UTC 2014


Hoi Hika,

Monday, November 24, 2014, 5:14:11 AM, you wrote:

>/  Hoi John,
/
>/  Monday, November 24, 2014, 5:02:37 AM, you wrote:
/
>>/  I am running the latest trunk version and started to have problems with
/>>/  my master backend stopping every now and then. I have systemctl start it
/>>/  back up but it causes issue with recordings. If I leave it alone to
/>>/  record and do not connect to it with any front end then everything is
/>>/  fine but some times when I try to connect with a frontend the cpu load
/>>/  goes crazy and the backend will restart.
/>>/  Here are some errors that I am seeing:
/>>/  mythcommflag: mythcommflag[16909]: C thread_unknown
/>>/  mythcommandlineparser.cpp:2595 (ConfigureLogging) mythcommflag version:
/>>/  master [v0.28-pre-2415-gd0b4a31-dirty] www.mythtv.org
/>>/  mythpreviewgen: mythpreviewgen[17015]: C thread_unknown
/>>/  mythcommandlineparser.cpp:2595 (ConfigureLogging) mythpreviewgen
/>>/  version: master [v0.28-pre-2415-gd0b4a31-dirty] www.mythtv.org
/
>>/  And just before the backend crashes because of high cpu utilization I
/>>/  see this message:
/>>/  Nov 23 21:30:17 mythtv2 mythbackend: (process:18150): GLib-ERROR **:
/>>/  Creating pipes for GWakeup: Too many open files
/>>/  Nov 23 21:30:18 mythtv2 mythbackend: (process:18150): GLib-ERROR **:
/>>/  Creating pipes for GWakeup: Too many open files
/>>/  Nov 23 21:30:18 mythtv2 mythbackend: (process:18150): GLib-ERROR **:
/>>/  Creating pipes for GWakeup: Too many open files
/>>/  Nov 23 21:30:18 mythtv2 kernel: traps: MythSocketThrea[23151] trap int3
/>>/  ip:35d00504e9 sp:7f0be443fa30 error:0
/>>/  Nov 23 21:30:39 mythtv2 abrt-hook-ccpp: Saved core dump of pid 18150
/>>/  (/usr/local/bin/mythbackend) to
/>>/  /var/tmp/abrt/ccpp-2014-11-23-21:30:20-18150 (10942496768 bytes)
/
>>/  Help please..... What could be causing this?
/>>/  _______________________________________________
/
>/  Look at the threat "System hangs occasionally -- more memory didn't
/>/  solve the problem"
/>/  I recently see more questions like this coming up. High load due to
/>/  frontends connecting!
/

>/  Tot mails,
/>/    Hika                            mailto:hikavdh at gmail.com  <http://lists.mythtv.org/mailman/listinfo/mythtv-users>
/
Just a vague thought. I seem to have seen in this context something
about opengl. Are you using qt or opengl for the frontend?


Tot mails,
   Hika                            mailto:hikavdh at gmail.com  <http://lists.mythtv.org/mailman/listinfo/mythtv-users>

"Zonder hoop kun je niet leven
Zonder leven is er geen hoop
Het eeuwige dilemma
Zeker als je hoop moet vernietigen om te kunnen overleven!"

-------------------------------------------------
I am using auto and not specifically and not specifically open gl.
I am going to force it to qt on all front ends and see what that
does.

Thanks for the recommendation.

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