[mythtv-users] High CPU from mythbackend
Greg Moeller
skywise at gmail.com
Tue Aug 27 16:55:39 UTC 2013
Sorry for mis-sending this, let's try again.
I'm running a mythbackend using mythbuntu and the mythbackend task is
using 100% CPU no matter what is happening.
root at mythbuntu:/var/log/mythtv# dpkg -l | grep mythtv
ii libmythtv-perl
2:0.26.1+fixes.20130820.6a46ea0-0ubuntu0mythbuntu1 A PERL library to
access some MythTV features
ii mythtv-backend
2:0.26.1+fixes.20130820.6a46ea0-0ubuntu0mythbuntu1 Personal video
recorder application (server)
ii mythtv-backend-master
2:0.26.1+fixes.20130820.6a46ea0-0ubuntu0mythbuntu1 Metapackage to setup
and configure a "Master Backend" profile of MythTV.
ii mythtv-common
2:0.26.1+fixes.20130820.6a46ea0-0ubuntu0mythbuntu1 Personal video
recorder application (common data)
I'm seeing no errors in the logs, just lots N lots of CPU use.
root at mythbuntu:/var/log/mythtv# ps -ef | grep mythba
mythtv 2212 1 99 Aug23 ? 2-13:45:36 /usr/bin/mythbackend
--syslog local7 --user mythtv --daemon
root at mythbuntu:/var/log/mythtv# tail mythbackend.log
Aug 26 09:53:59 mythbuntu mythlogserver: mythbackend[2212]: I
HouseKeeping housekeeper.cpp:221 (RunHouseKeeping) Running housekeeping
thread
Aug 26 09:55:24 mythbuntu mythlogserver: mythbackend[2212]: I Scheduler
scheduler.cpp:2128 (HandleReschedule) Reschedule requested for MATCH 0 0
0 - EITScanner
Aug 26 09:55:24 mythbuntu mythlogserver: mythbackend[2212]: I Scheduler
scheduler.cpp:2241 (HandleReschedule) Scheduled 78 items in 0.1 = 0.09
match + 0.01 check + 0.02 place
Aug 26 09:55:31 mythbuntu mythlogserver: mythbackend[2212]: E
HDHRStreamHandler mpeg/mpegstreamdata.cpp:360 (AssemblePSIP) Error:
offset>181, pes length & current cannot be queried
Aug 26 09:56:30 mythbuntu mythlogserver: mythbackend[2212]: E
HDHRStreamHandler mpeg/mpegstreamdata.cpp:360 (AssemblePSIP) Error:
offset>181, pes length & current cannot be queried
top.....
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+
COMMAND
2212 mythtv 20 0 1688m 40m 6192 S 105 1.9 3708:02
mythbackend
The server is an i7 with ~3.8Ghz, so it's extremely busy not doing much.
Anyone know where I should look to see what it's so busy not doing?
Greg
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