[mythtv-users] Hard frontend crash with vaapi on Ubuntu 20.04 and Mythtv 31
OpenMedia Support
support at openmedia.co.nz
Thu Jun 3 02:38:53 UTC 2021
> What I do with a crashing frontend is to run it interactively in a gdb
> session. If the failure is in mythfrontend then gdb catches it. If the
> failure is due to a kernel crash, like in the driver, then this does not
> work and the only option I see then is just trying all different driver
> versions that you can find.
I had another crash on the 5.8 kernel. I did manage to force a sync before
rebooting but I didn't get anything useful in the system logs
Jun 2 21:12:50 mythfe1 mythfrontend.real: message repeated 3 times: [
mythfrontend[1512]: I CoreContext tv_play.cpp:8103 (UpdateOSDSeekMessage)
UpdateOSDSeekMessage(Play, 2)]
Jun 2 21:12:51 mythfe1 wpa_supplicant[860]: RRM: Unsupported radio
measurement type 9
Jun 2 21:14:23 mythfe1 wpa_supplicant[860]: RRM: Unsupported radio
measurement type 9
Jun 2 21:15:02 mythfe1 CRON[3550]: (root) CMD (command -v debian-sa1 >
/dev/null && debian-sa1 1 1)
^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@Jun
2 23:20:01 mythfe1 kernel: [ 0.000000] microcode: microcode updated
early to revision 0x368, date = 2019-04-23
Jun 2 23:20:01 mythfe1 kernel: [ 0.000000] Linux version
5.8.0-53-generic (buildd at lcy01-amd64-012) (gcc (Ubuntu
9.3.0-17ubuntu1~20.04) 9.3.0, GNU ld (GNU Binutils for Ubuntu) 2.34)
#60~20.04.1-Ubunt
and in the frontend logs
Jun 1 21:49:34 mythfe1 mythfrontend.real: mythfrontend[1900]: I
CoreContext mythplayer.cpp:1771 (AVSync) Player(3): AV Sync: Audio ahead
by 46 ms
Jun 1 21:49:34 mythfe1 mythfrontend.real: mythfrontend[1900]: I
CoreContext mythplayer.cpp:1771 (AVSync) Player(3): AV Sync: Audio ahead
by 41 ms
Jun 1 21:49:37 mythfe1 mythfrontend.real: mythfrontend[1900]: I
CoreContext jitterometer.cpp:128 (RecordEndTime) Player(3): FPS: 24.99
Mean: 40015 Std.Dev: 674 CPUs: 21% 19% 16% 19%
Jun 1 21:49:37 mythfe1 mythfrontend.real: mythfrontend[1900]: I
CoreContext mythplayer.cpp:1771 (AVSync) Player(3): AV Sync: Audio ahead
by 38 ms
Jun 1 21:49:38 mythfe1 mythfrontend.real: mythfrontend[1900]: I
CoreContext mythplayer.cpp:1771 (AVSync) Player(3): AV Sync: Audio ahead
by 23 ms
Jun 1 21:49:38 mythfe1 mythfrontend.real: mythfrontend[1900]: I
CoreContext mythplayer.cpp:1771 (AVSync) Player(3): AV Sync: Audio ahead
by 25 ms
^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@
^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@Jun
1 21:50:51 mythfe1 mythfrontend.real: mythfrontend[1603]: I
thread_unknown signalhandling.cpp:191 (SetHandlerPrivate) Setup Interrupt
handler
Jun 1 21:50:51 mythfe1 mythfrontend.real: mythfrontend[1603]: I
thread_unknown signalhandling.cpp:191 (SetHandlerPrivate) Setup Terminated
handler
Jun 1 21:50:51 mythfe1 mythfrontend.real: mythfrontend[1603]: I
thread_unknown signalhandling.cpp:191 (SetHandlerPrivate) Setup
Segmentation fault handler
Jun 1 21:50:51 mythfe1 mythfrontend.real: mythfrontend[1603]: I
thread_unknown signalhandling.cpp:191 (SetHandlerPrivate) Setup Aborted
handler
Jun 1 21:50:51 mythfe1 mythfrontend.real: mythfrontend[1603]: I
thread_unknown signalhandling.cpp:191 (SetHandlerPrivate) Setup Bus error
handler
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