[mythtv-users] Frontend locking up on screen blanking when idle ... but screensaver and mythtv time out disabled!

John Brown jb2904 at johnbrown.com.au
Wed Jul 4 14:48:18 UTC 2012


If I leave MythTV Frontend up but idle, the scren eventually times out to a black screen. On recovery the myth Frontend is completely unresponsive. THe way I recover it CTRL+SHFT+T to big up a text box, which also allows me to access the Applications menu, henc the System Monitor, in which I end both of the MythFrontend processes, then log out and log back in again, Phew!

Interestingly, I have xscreensaver disabled, and the "idle time before set entering standby mode (minutes) setting in myth frontnd > setup > general set to '0' i.e. also disabled. So I have no idea what is actually causing the screen to go blank!

After going blank, then frontend log doesn't show any errors, but instead just shows " Socket mythcorecontext.cpp:1103 (readyRead) Received remote 'Clear Cache' request" every hour or so. Se below:


Any ideas what is causing the screen to blank out? Or why it is not recovering??


Extract from mythtv Frontend log:

Jul  4 08:17:46 qpc-Z68X-UD3H-B3 mythfrontend[17569]: I CoreContext tv_play.cpp:2121 (HandleStateChange) TV: Attempting to change from WatchingPreRecorded to None
Jul  4 08:17:46 qpc-Z68X-UD3H-B3 mythfrontend[17569]: I CoreContext tv_play.cpp:2358 (HandleStateChange) TV: Changing from WatchingPreRecorded to None
Jul  4 08:17:46 qpc-Z68X-UD3H-B3 mythfrontend[17569]: I CoreContext tv_play.cpp:380 (StartTV) TV: Exiting main playback loop.
Jul  4 08:17:46 qpc-Z68X-UD3H-B3 mythfrontend[17569]: N CoreContext mythmainwindow.cpp:2583 (PauseIdleTimer) Suspending idle timer
Jul  4 08:18:08 qpc-Z68X-UD3H-B3 mythfrontend[17569]: I Socket mythcorecontext.cpp:1103 (readyRead) Received remote 'Clear Cache' request
Jul  4 09:18:09 qpc-Z68X-UD3H-B3 mythfrontend[17569]: I Socket mythcorecontext.cpp:1103 (readyRead) Received remote 'Clear Cache' request
Jul  4 10:18:07 qpc-Z68X-UD3H-B3 mythfrontend[17569]: I Socket mythcorecontext.cpp:1103 (readyRead) Received remote 'Clear Cache' request
Jul  4 11:18:09 qpc-Z68X-UD3H-B3 mythfrontend[17569]: I Socket mythcorecontext.cpp:1103 (readyRead) Received remote 'Clear Cache' request
Jul  4 12:18:10 qpc-Z68X-UD3H-B3 mythfrontend[17569]: I Socket mythcorecontext.cpp:1103 (readyRead) Received remote 'Clear Cache' request
Jul  4 13:18:09 qpc-Z68X-UD3H-B3 mythfrontend[17569]: I Socket mythcorecontext.cpp:1103 (readyRead) Received remote 'Clear Cache' request
Jul  4 14:18:09 qpc-Z68X-UD3H-B3 mythfrontend[17569]: I Socket mythcorecontext.cpp:1103 (readyRead) Received remote 'Clear Cache' request
Jul  4 15:18:09 qpc-Z68X-UD3H-B3 mythfrontend[17569]: I Socket mythcorecontext.cpp:1103 (readyRead) Received remote 'Clear Cache' request
Jul  4 16:18:09 qpc-Z68X-UD3H-B3 mythfrontend[17569]: I Socket mythcorecontext.cpp:1103 (readyRead) Received remote 'Clear Cache' request
Jul  4 17:18:09 qpc-Z68X-UD3H-B3 mythfrontend[17569]: I Socket mythcorecontext.cpp:1103 (readyRead) Received remote 'Clear Cache' request
Jul  4 19:01:34 qpc-Z68X-UD3H-B3 mythfrontend[17569]: I Socket mythcorecontext.cpp:1103 (readyRead) Received remote 'Clear Cache' request
Jul  4 19:18:09 qpc-Z68X-UD3H-B3 mythfrontend[17569]: I Socket mythcorecontext.cpp:1103 (readyRead) Received remote 'Clear Cache' request
Jul  4 20:18:10 qpc-Z68X-UD3H-B3 mythfrontend[17569]: I Socket mythcorecontext.cpp:1103 (readyRead) Received remote 'Clear Cache' request
Jul  4 21:18:09 qpc-Z68X-UD3H-B3 mythfrontend[17569]: I Socket mythcorecontext.cpp:1103 (readyRead) Received remote 'Clear Cache' request



In the meantime the backend log shows it was working fine doing what it was meant to do, i.e recording ABC News and the Tour de France, of course!

Jul  4 20:00:09 qpc-Z68X-UD3H-B3 mythbackend[5826]: I Commflag_107 jobqueue.cpp:2275 (DoFlagCommercialsThread) JobQueue: Commercial Detection Starting for "ABC News" recorded from channel 1529 at 2012-07-04T18:55:00
Jul  4 20:00:09 qpc-Z68X-UD3H-B3 mythbackend[5826]: I ProcessRequest mainserver.cpp:1360 (HandleAnnounce) MainServer::ANN Monitor
Jul  4 20:00:09 qpc-Z68X-UD3H-B3 mythbackend[5826]: I ProcessRequest mainserver.cpp:1362 (HandleAnnounce) adding: qpcfrontend as a client (events: 0)
Jul  4 20:00:09 qpc-Z68X-UD3H-B3 mythbackend[5826]: I ProcessRequest mainserver.cpp:1360 (HandleAnnounce) MainServer::ANN Monitor
Jul  4 20:00:09 qpc-Z68X-UD3H-B3 mythbackend[5826]: I ProcessRequest mainserver.cpp:1362 (HandleAnnounce) adding: qpcfrontend as a client (events: 1)
Jul  4 20:03:14 qpc-Z68X-UD3H-B3 mythbackend[5826]: N Expire autoexpire.cpp:263 (CalcParams) AutoExpire: CalcParams(): Max required Free Space: 1.0 GB w/freq: 15 min
Jul  4 20:04:37 qpc-Z68X-UD3H-B3 mythbackend[5826]: I HouseKeeping housekeeper.cpp:225 (RunHouseKeeping) Running housekeeping thread
Jul  4 20:09:41 qpc-Z68X-UD3H-B3 mythbackend[5826]: I HouseKeeping housekeeper.cpp:225 (RunHouseKeeping) Running housekeeping thread
Jul  4 20:14:43 qpc-Z68X-UD3H-B3 mythbackend[5826]: I HouseKeeping housekeeper.cpp:225 (RunHouseKeeping) Running housekeeping thread
Jul  4 20:17:36 qpc-Z68X-UD3H-B3 mythbackend[5826]: I ProcessRequest mainserver.cpp:1360 (HandleAnnounce) MainServer::ANN Monitor
Jul  4 20:17:36 qpc-Z68X-UD3H-B3 mythbackend[5826]: I ProcessRequest mainserver.cpp:1362 (HandleAnnounce) adding: qpcfrontend as a client (events: 0)
Jul  4 20:17:36 qpc-Z68X-UD3H-B3 mythbackend[5826]: I ProcessRequest mainserver.cpp:1360 (HandleAnnounce) MainServer::ANN Monitor
Jul  4 20:17:36 qpc-Z68X-UD3H-B3 mythbackend[5826]: I ProcessRequest mainserver.cpp:1362 (HandleAnnounce) adding: qpcfrontend as a client (events: 1)
Jul  4 20:18:10 qpc-Z68X-UD3H-B3 mythbackend[5826]: I ProcessRequest mainserver.cpp:1360 (HandleAnnounce) MainServer::ANN Monitor
Jul  4 20:18:10 qpc-Z68X-UD3H-B3 mythbackend[5826]: I ProcessRequest mainserver.cpp:1362 (HandleAnnounce) adding: qpcfrontend as a client (events: 0)
Jul  4 20:18:10 qpc-Z68X-UD3H-B3 mythbackend[5826]: I ProcessRequest mainserver.cpp:1360 (HandleAnnounce) MainServer::ANN Monitor
Jul  4 20:18:10 qpc-Z68X-UD3H-B3 mythbackend[5826]: I ProcessRequest mainserver.cpp:1362 (HandleAnnounce) adding: qpcfrontend as a client (events: 1)
Jul  4 20:18:10 qpc-Z68X-UD3H-B3 mythbackend[5826]: I Scheduler scheduler.cpp:2010 (HandleReschedule) Reschedule requested for id -1.
Jul  4 20:18:10 qpc-Z68X-UD3H-B3 mythbackend[5826]: I Scheduler scheduler.cpp:2068 (HandleReschedule) Scheduled 47 items in 0.1 = 0.01 match + 0.08 place
Jul  4 20:18:14 qpc-Z68X-UD3H-B3 mythbackend[5826]: N Expire autoexpire.cpp:263 (CalcParams) AutoExpire: CalcParams(): Max required Free Space: 1.0 GB w/freq: 15 min
Jul  4 20:19:44 qpc-Z68X-UD3H-B3 mythbackend[5826]: I HouseKeeping housekeeper.cpp:225 (RunHouseKeeping) Running housekeeping thread
Jul  4 20:24:46 qpc-Z68X-UD3H-B3 mythbackend[5826]: I HouseKeeping housekeeper.cpp:225 (RunHouseKeeping) Running housekeeping thread
Jul  4 20:29:53 qpc-Z68X-UD3H-B3 mythbackend[5826]: I HouseKeeping housekeeper.cpp:225 (RunHouseKeeping) Running housekeeping thread
Jul  4 20:33:14 qpc-Z68X-UD3H-B3 mythbackend[5826]: N Expire autoexpire.cpp:263 (CalcParams) AutoExpire: CalcParams(): Max required Free Space: 1.0 GB w/freq: 15 min
Jul  4 20:34:55 qpc-Z68X-UD3H-B3 mythbackend[5826]: I HouseKeeping housekeeper.cpp:225 (RunHouseKeeping) Running housekeeping thread
Jul  4 20:40:01 qpc-Z68X-UD3H-B3 mythbackend[5826]: I HouseKeeping housekeeper.cpp:225 (RunHouseKeeping) Running housekeeping thread
Jul  4 20:45:07 qpc-Z68X-UD3H-B3 mythbackend[5826]: I HouseKeeping housekeeper.cpp:225 (RunHouseKeeping) Running housekeeping thread
Jul  4 20:48:14 qpc-Z68X-UD3H-B3 mythbackend[5826]: N Expire autoexpire.cpp:263 (CalcParams) AutoExpire: CalcParams(): Max required Free Space: 1.0 GB w/freq: 15 min
Jul  4 20:50:08 qpc-Z68X-UD3H-B3 mythbackend[5826]: I HouseKeeping housekeeper.cpp:225 (RunHouseKeeping) Running housekeeping thread
Jul  4 20:55:08 qpc-Z68X-UD3H-B3 mythbackend[5826]: I HouseKeeping housekeeper.cpp:225 (RunHouseKeeping) Running housekeeping thread
Jul  4 21:00:13 qpc-Z68X-UD3H-B3 mythbackend[5826]: I HouseKeeping housekeeper.cpp:225 (RunHouseKeeping) Running housekeeping thread
Jul  4 21:03:14 qpc-Z68X-UD3H-B3 mythbackend[5826]: N Expire autoexpire.cpp:263 (CalcParams) AutoExpire: CalcParams(): Max required Free Space: 1.0 GB w/freq: 15 min
Jul  4 21:05:17 qpc-Z68X-UD3H-B3 mythbackend[5826]: I HouseKeeping housekeeper.cpp:225 (RunHouseKeeping) Running housekeeping thread
Jul  4 21:10:21 qpc-Z68X-UD3H-B3 mythbackend[5826]: I HouseKeeping housekeeper.cpp:225 (RunHouseKeeping) Running housekeeping thread
Jul  4 21:15:25 qpc-Z68X-UD3H-B3 mythbackend[5826]: I HouseKeeping housekeeper.cpp:225 (RunHouseKeeping) Running housekeeping thread
Jul  4 21:18:09 qpc-Z68X-UD3H-B3 mythbackend[5826]: I ProcessRequest mainserver.cpp:1360 (HandleAnnounce) MainServer::ANN Monitor
Jul  4 21:18:09 qpc-Z68X-UD3H-B3 mythbackend[5826]: I ProcessRequest mainserver.cpp:1362 (HandleAnnounce) adding: qpcfrontend as a client (events: 0)
Jul  4 21:18:09 qpc-Z68X-UD3H-B3 mythbackend[5826]: I ProcessRequest mainserver.cpp:1360 (HandleAnnounce) MainServer::ANN Monitor
Jul  4 21:18:09 qpc-Z68X-UD3H-B3 mythbackend[5826]: I ProcessRequest mainserver.cpp:1362 (HandleAnnounce) adding: qpcfrontend as a client (events: 1)
Jul  4 21:18:09 qpc-Z68X-UD3H-B3 mythbackend[5826]: I Scheduler scheduler.cpp:2010 (HandleReschedule) Reschedule requested for id -1.
Jul  4 21:18:09 qpc-Z68X-UD3H-B3 mythbackend[5826]: I Scheduler scheduler.cpp:2068 (HandleReschedule) Scheduled 47 items in 0.1 = 0.01 match + 0.06 place
Jul  4 21:18:14 qpc-Z68X-UD3H-B3 mythbackend[5826]: N Expire autoexpire.cpp:263 (CalcParams) AutoExpire: CalcParams(): Max required Free Space: 1.0 GB w/freq: 15 min
Jul  4 21:20:25 qpc-Z68X-UD3H-B3 mythbackend[5826]: I HouseKeeping housekeeper.cpp:225 (RunHouseKeeping) Running housekeeping thread
Jul  4 21:25:31 qpc-Z68X-UD3H-B3 mythbackend[5826]: I HouseKeeping housekeeper.cpp:225 (RunHouseKeeping) Running housekeeping thread
Jul  4 21:30:37 qpc-Z68X-UD3H-B3 mythbackend[5826]: I HouseKeeping housekeeper.cpp:225 (RunHouseKeeping) Running housekeeping thread
Jul  4 21:33:14 qpc-Z68X-UD3H-B3 mythbackend[5826]: N Expire autoexpire.cpp:263 (CalcParams) AutoExpire: CalcParams(): Max required Free Space: 1.0 GB w/freq: 15 min
Jul  4 21:35:43 qpc-Z68X-UD3H-B3 mythbackend[5826]: I HouseKeeping housekeeper.cpp:225 (RunHouseKeeping) Running housekeeping thread
Jul  4 21:40:43 qpc-Z68X-UD3H-B3 mythbackend[5826]: I HouseKeeping housekeeper.cpp:225 (RunHouseKeeping) Running housekeeping thread
Jul  4 21:45:50 qpc-Z68X-UD3H-B3 mythbackend[5826]: I HouseKeeping housekeeper.cpp:225 (RunHouseKeeping) Running housekeeping thread
Jul  4 21:48:14 qpc-Z68X-UD3H-B3 mythbackend[5826]: N Expire autoexpire.cpp:263 (CalcParams) AutoExpire: CalcParams(): Max required Free Space: 1.0 GB w/freq: 15 min
Jul  4 21:49:30 qpc-Z68X-UD3H-B3 mythbackend[5826]: I TVRecEvent tv_rec.cpp:1518 (HandlePendingRecordings) TVRec(1): ASK_RECORDING 1 29 0 0
Jul  4 21:49:30 qpc-Z68X-UD3H-B3 mythbackend[5826]: I TVRecEvent tv_rec.cpp:1518 (HandlePendingRecordings) TVRec(2): ASK_RECORDING 2 29 0 0
Jul  4 21:49:59 qpc-Z68X-UD3H-B3 mythbackend[5826]: I TVRecEvent tv_rec.cpp:1014 (HandleStateChange) TVRec(1): Changing from None to RecordingOnly
Jul  4 21:49:59 qpc-Z68X-UD3H-B3 mythbackend[5826]: I TVRecEvent mythdbcon.cpp:395 (PurgeIdleConnections) New DB connection, total: 12
Jul  4 21:49:59 qpc-Z68X-UD3H-B3 mythbackend[5826]: I TVRecEvent tv_rec.cpp:3456 (TuningCheckForHWChange) TVRec(1): HW Tuner: 1->1
Jul  4 21:49:59 qpc-Z68X-UD3H-B3 mythbackend[5826]: N Scheduler autoexpire.cpp:263 (CalcParams) AutoExpire: CalcParams(): Max required Free Space: 3.0 GB w/freq: 14 min
Jul  4 21:49:59 qpc-Z68X-UD3H-B3 mythbackend[5826]: I Scheduler scheduler.cpp:2459 (HandleRecordingStatusChange) Tuning recording: "Tour De France 2012":"Live: Stage 4": channel 1003 on cardid 1, sourceid 1
Jul  4 21:50:02 qpc-Z68X-UD3H-B3 mythbackend[5826]: I CoreContext scheduler.cpp:634 (UpdateRecStatus) Updating status for "Tour De France 2012":"Live: Stage 4" on cardid 1 (Tuning => Recording)
Jul  4 21:50:02 qpc-Z68X-UD3H-B3 mythbackend[5826]: I TVRecEvent tv_rec.cpp:3950 (TuningNewRecorder) TVRec(1): rec->GetPathname(): '/media/data//mythtv/recordings/1003_20120704215000.mpg'
Jul  4 21:50:55 qpc-Z68X-UD3H-B3 mythbackend[5826]: I HouseKeeping housekeeper.cpp:225 (RunHouseKeeping) Running housekeeping thread
Jul  4 21:56:02 qpc-Z68X-UD3H-B3 mythbackend[5826]: I HouseKeeping housekeeper.cpp:225 (RunHouseKeeping) Running housekeeping thread
Jul  4 22:01:05 qpc-Z68X-UD3H-B3 mythbackend[5826]: I HouseKeeping housekeeper.cpp:225 (RunHouseKeeping) Running housekeeping thread
Jul  4 22:04:14 qpc-Z68X-UD3H-B3 mythbackend[5826]: N Expire autoexpire.cpp:263 (CalcParams) AutoExpire: CalcParams(): Max required Free Space: 3.0 GB w/freq: 14 min
Jul  4 22:06:11 qpc-Z68X-UD3H-B3 mythbackend[5826]: I HouseKeeping housekeeper.cpp:225 (RunHouseKeeping) Running housekeeping thread
Jul  4 22:11:18 qpc-Z68X-UD3H-B3 mythbackend[5826]: I HouseKeeping housekeeper.cpp:225 (RunHouseKeeping) Running housekeeping thread



Ubuntu 12.04 Precise with all updates installed, and MythTV version info as follows:

Please attach all output as a file in bug reports.
MythTV Version : v0.25
MythTV Branch : fixes/0.25
Network Protocol : 72
Library API : 0.25.20120408-1
QT Version : 4.8.1
Options compiled in:
linux profile use_hidesyms using_alsa using_oss using_pulse using_pulseoutput using_backend using_bindings_perl using_bindings_python using_bindings_php using_crystalhd using_dvb using_firewire using_frontend using_hdhomerun using_ceton using_hdpvr using_iptv using_ivtv using_joystick_menu using_libcrypto using_libdns_sd using_libxml2 using_lirc using_mheg using_opengl_video using_qtwebkit using_qtscript using_qtdbus using_v4l2 using_x11 using_xrandr using_xv using_bindings_perl using_bindings_python using_bindings_php using_mythtranscode using_opengl using_vaapi using_vdpau using_ffmpeg_threads using_live using_mheg using_libass using_libxml2


John

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