[mythtv-commits] Ticket #2765: High CPU usage in mythbackend

MythTV mythtv at cvs.mythtv.org
Tue Jan 2 04:01:13 UTC 2007


#2765: High CPU usage in mythbackend
---------------------------------------+------------------------------------
 Reporter:  mythtv at salfter.dyndns.org  |        Owner:  ijr    
     Type:  defect                     |       Status:  new    
 Priority:  major                      |    Milestone:  unknown
Component:  mythtv                     |      Version:  0.20   
 Severity:  medium                     |   Resolution:         
---------------------------------------+------------------------------------
Comment (by kormoc):

 Small update on what's going on with mine

 When I delete something with allow re-record, mythbackend jumps to 100%

 about 30 seconds later, mythfrontend pops up a window saying it lost
 communication with the backend

 frontend log
 {{{
 2007-01-01 19:56:30.346 MythSocket(8328258:17): readStringList: Error,
 timeout.
 2007-01-01 19:56:30.346 Connection to backend server lost
 2007-01-01 19:56:30.347 Connecting to backend server: 192.168.1.3:6543
 (try 1 of 5)
 2007-01-01 19:56:30.348 Using protocol version 31
 2007-01-01 19:56:30.349 MythSocket(8d09268:17): writeStringList: Error,
 invalid string list.
 2007-01-01 19:57:00.349 MythSocket(8d09268:17): readStringList: Error,
 timeout.
 2007-01-01 19:57:00.349 Reconnection to backend server failed
 ASSERT: "i <= nodes" in /usr/qt/3/include/qvaluelist.h (373)
 }}}

 backend log
 {{{
 2007-01-01 19:56:59.813 Scheduled 1318 items in 60.5 = 0.00 match + 60.48
 place
 2007-01-01 19:56:59.815 MythSocket(8197ee0:-1): writeStringList: Error,
 socket went unconnected.
 2007-01-01 19:56:59.820 scheduler: Scheduled items: Scheduled 1318 items
 in 60.5 = 0.00 match + 60.48 place
 2007-01-01 19:56:59.821 Reschedule requested for id 0.
 2007-01-01 19:57:59.630 Scheduled 1318 items in 59.8 = 0.00 match + 59.81
 place
 2007-01-01 19:57:59.642 scheduler: Scheduled items: Scheduled 1318 items
 in 59.8 = 0.00 match + 59.81 place
 2007-01-01 19:58:31.831 TVRec(1): Changing from None to RecordingOnly
 2007-01-01 19:58:31.833 TVRec(1): HW Tuner: 1->1
 2007-01-01 19:58:33.213 ret_pid(0) child(6162) status(0x0)
 2007-01-01 19:58:34.214 ret_pid(0) child(6162) status(0x0)
 2007-01-01 19:58:35.215 ret_pid(0) child(6162) status(0x0)
 2007-01-01 19:58:36.216 ret_pid(6162) child(6162) status(0x0)
 2007-01-01 19:58:36.216 External Tuning program exited with no error
 2007-01-01 19:58:36.414 MPEGRec(/dev/v4l/video0) Warning: Unable to set
 recording volume
                         eno: Invalid argument (22)
                         If you are using an AverMedia M179 card this is
 normal.
 2007-01-01 19:58:36.419 MPEGRec(/dev/v4l/video0): Can't enable VBI
 recording (2)
                         eno: Invalid argument (22)
 }}}

 the frontend locks solid (I can't hit okay on the button). Restarting the
 frontend fails to reconnect to the backend

 It continues until I restart the backend.

 Is there any better flags to use to try to track this down?

-- 
Ticket URL: <http://svn.mythtv.org/trac/ticket/2765#comment:2>
MythTV <http://www.mythtv.org/>
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