Mailing List Archive

Front end hangs while navigating Program Guide
(newbie warning: my mistakes are inexperience, not malice)

 I’m bringing up mythtv V32 on a Raspberry pi 4B (Raspian) with a
Silicon Dust Hdhomerun tuner. Both frontend and backend are running on
the pi.

 When navigating through the Program Guide, the front end occasionally
hangs with a frozen image and escape not working. When I kill the
frontend task and look at the log, I see the message

TV::timerEvent(): Unknown timer: nn

 Repeated thousands of times until I killed the task.

 In www.mythtv.org/wiki/Raspberry_Pi, there’s a note that says If you
notice general stability problems… See
mythtv.org/wiki/Optimizing_Performance#MySQL_Database_Tweaks

 Looking there suggested adding a bunch of parameters to my.cnf, but
when I did (either verbatim or by converting “48M” into 50331648, etc.),
mySql failed at startup.

 I’ve included an excerpt from the log leading up to the frontend
getting “stuck”. Any suggestions of where to look next would be welcome.

-lr

2023-01-22 16:43:24.752524 D [18905/18905] CoreContext
signalmonitorvalue.cpp:160 (Parse) - Parse(Signal Power, (signal 100 45
0 100 0 1 1))
2023-01-22 16:43:24.752542 D [18905/18905] CoreContext
signalmonitorvalue.cpp:160 (Parse) - Parse(Seen PAT, (seen_pat 1 1 0 1 0
1 1))
2023-01-22 16:43:24.752555 D [18905/18905] CoreContext
signalmonitorvalue.cpp:160 (Parse) - Parse(Matching PAT, (matching_pat 1
1 0 1 0 1 1))
2023-01-22 16:43:24.752572 D [18905/18905] CoreContext
signalmonitorvalue.cpp:160 (Parse) - Parse(Seen PMT, (seen_pmt 1 1 0 1 0
1 1))
2023-01-22 16:43:24.752587 D [18905/18905] CoreContext
signalmonitorvalue.cpp:160 (Parse) - Parse(Matching PMT, (matching_pmt 1
1 0 1 0 1 1))
2023-01-22 16:43:24.752601 D [18905/18905] CoreContext
signalmonitorvalue.cpp:160 (Parse) - Parse(Seen Crypt, (seen_crypt 1 1 0
1 0 1 1))
2023-01-22 16:43:24.752616 D [18905/18905] CoreContext
signalmonitorvalue.cpp:160 (Parse) - Parse(Matching Crypt,
(matching_crypt 0 1 0 1 0 1 1))
2023-01-22 16:43:24.752806 D [18905/18905] CoreContext
signalmonitorvalue.cpp:199 (AllGood) - AllGood failed on
matching_crypt(0<1)
2023-01-22 16:43:24.808880 W [18905/18905] CoreContext tv_play.cpp:2582
(timerEvent) - TV::timerEvent(): Unknown timer: 12
2023-01-22 16:43:24.833535 W [18905/18905] CoreContext tv_play.cpp:2582
(timerEvent) - TV::timerEvent(): Unknown timer: 12
2023-01-22 16:43:24.862654 W [18905/18905] CoreContext tv_play.cpp:2582
(timerEvent) - TV::timerEvent(): Unknown timer: 12
2023-01-22 16:43:24.877107 W [18905/18905] CoreContext tv_play.cpp:2582
(timerEvent) - TV::timerEvent(): Unknown timer: 13
2023-01-22 16:43:24.877145 W [18905/18905] CoreContext tv_play.cpp:2582
(timerEvent) - TV::timerEvent(): Unknown timer: 12
2023-01-22 16:43:24.898033 W [18905/18905] CoreContext tv_play.cpp:2582
(timerEvent) - TV::timerEvent(): Unknown timer: 13
2023-01-22 16:43:24.898045 W [18905/18905] CoreContext tv_play.cpp:2582
(timerEvent) - TV::timerEvent(): Unknown timer: 12
2023-01-22 16:43:24.898056 W [18905/18905] CoreContext tv_play.cpp:2582
(timerEvent) - TV::timerEvent(): Unknown timer: 14

{repeated multiple thousands of times until mythfrontend task was killed.}

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