[mythtv-users] Mythpreviewgen fails in current master

John jksjdevelop at gmail.com
Tue Jan 7 12:57:53 UTC 2020


No thumb nails have been generated on my system since Jan 3rd.

The failing code line seems to be /mythdrmdevice.cpp:25 (MythDRMDevice) 
: Failed to open

Which I note changed recently


The issue started when I took v31-Pre-1546-g410b405d6e

The log shows

Jan  6 23:25:28 tv mythpreviewgen: mythpreviewgen[10909]: C 
thread_unknown mythcommandlineparser.cpp:2611 (ConfigureLogging) 
mythpreviewgen version: master [v31-Pre-1659-g1d4d51b0d9] www.mythtv.org
Jan  6 23:25:28 tv mythpreviewgen: mythpreviewgen[10909]: C 
thread_unknown mythcommandlineparser.cpp:2615 (ConfigureLogging) Qt 
version: compile: 5.12.4, runtime: 5.12.4
Jan  6 23:25:28 tv mythpreviewgen: mythpreviewgen[10909]: I 
thread_unknown mythcommandlineparser.cpp:2617 (ConfigureLogging) Ubuntu 
19.10 (x86_64)
Jan  6 23:25:28 tv mythpreviewgen: mythpreviewgen[10909]: N 
thread_unknown mythcommandlineparser.cpp:2619 (ConfigureLogging) Enabled 
verbose msgs:  general
Jan  6 23:25:28 tv mythpreviewgen: mythpreviewgen[10909]: N 
thread_unknown logging.cpp:724 (logStart) Setting Log Level to LOG_INFO
Jan  6 23:25:28 tv mythpreviewgen: mythpreviewgen[10909]: I Logger 
logging.cpp:280 (run) Added logging to the console
Jan  6 23:25:28 tv mythpreviewgen: mythpreviewgen[10909]: I LogForward 
loggingserver.cpp:248 (SyslogLogger) Added syslogging
Jan  6 23:25:28 tv mythpreviewgen: mythpreviewgen[10909]: I 
thread_unknown signalhandling.cpp:193 (SetHandlerPrivate) Setup 
Interrupt handler
Jan  6 23:25:28 tv mythpreviewgen: mythpreviewgen[10909]: I 
thread_unknown signalhandling.cpp:193 (SetHandlerPrivate) Setup 
Terminated handler
Jan  6 23:25:28 tv mythpreviewgen: mythpreviewgen[10909]: I 
thread_unknown signalhandling.cpp:193 (SetHandlerPrivate) Setup 
Segmentation fault handler
Jan  6 23:25:28 tv mythpreviewgen: mythpreviewgen[10909]: I 
thread_unknown signalhandling.cpp:193 (SetHandlerPrivate) Setup Aborted 
handler
Jan  6 23:25:28 tv mythpreviewgen: mythpreviewgen[10909]: I 
thread_unknown signalhandling.cpp:193 (SetHandlerPrivate) Setup Bus 
error handler
Jan  6 23:25:28 tv mythpreviewgen: mythpreviewgen[10909]: I 
thread_unknown signalhandling.cpp:193 (SetHandlerPrivate) Setup Floating 
point exception handler
Jan  6 23:25:28 tv mythpreviewgen: mythpreviewgen[10909]: I 
thread_unknown signalhandling.cpp:193 (SetHandlerPrivate) Setup Illegal 
instruction handler
Jan  6 23:25:28 tv mythpreviewgen: mythpreviewgen[10909]: I 
thread_unknown signalhandling.cpp:193 (SetHandlerPrivate) Setup 
Real-time signal 0 handler
Jan  6 23:25:28 tv mythpreviewgen: mythpreviewgen[10909]: I 
thread_unknown signalhandling.cpp:193 (SetHandlerPrivate) Setup Hangup 
handler
Jan  6 23:25:28 tv mythpreviewgen: mythpreviewgen[10909]: N 
thread_unknown mythdirs.cpp:203 (InitializeMythDirs) Using runtime 
prefix = /usr/local
Jan  6 23:25:28 tv mythpreviewgen: mythpreviewgen[10909]: N 
thread_unknown mythdirs.cpp:204 (InitializeMythDirs) Using configuration 
directory = /home/mythtv/.mythtv
Jan  6 23:25:28 tv mythpreviewgen: mythpreviewgen[10909]: I CoreContext 
mythcorecontext.cpp:272 (Init) Assumed character encoding: en_GB.UTF-8
Jan  6 23:25:28 tv mythpreviewgen: mythpreviewgen[10909]: I CoreContext 
mythcontext.cpp:630 (LoadDatabaseSettings) Empty LocalHostName. This is 
typical.
Jan  6 23:25:28 tv mythpreviewgen: mythpreviewgen[10909]: I CoreContext 
mythcontext.cpp:637 (LoadDatabaseSettings) Using a profile name of: 'tv' 
(Usually the same as this host's name.)
Jan  6 23:25:28 tv mythpreviewgen: mythpreviewgen[10909]: I CoreContext 
mythcontext.cpp:886 (TestDBconnection) Start up testing connections. DB 
192.168.0.108, BE , attempt 0, status dbAwake, Delay: 2000
Jan  6 23:25:28 tv mythpreviewgen: mythpreviewgen[10909]: N CoreContext 
mythcorecontext.cpp:1784 (InitLocale) Setting QT default locale to en_GB
Jan  6 23:25:28 tv mythpreviewgen: mythpreviewgen[10909]: I CoreContext 
mythcorecontext.cpp:1817 (SaveLocaleDefaults) Current locale en_GB
Jan  6 23:25:28 tv mythpreviewgen: mythpreviewgen[10909]: N CoreContext 
mythlocale.cpp:121 (LoadDefaultsFromXML) Reading locale defaults from 
/usr/local/share/mythtv//locales/en_gb.xml
Jan  6 23:25:28 tv mythpreviewgen: mythpreviewgen[10909]: E CoreContext 
main.cpp:77 (preview_helper) Setting priority 
failed.#012#011#011#011eno: Permission denied (13)
Jan  6 23:25:28 tv mythpreviewgen: mythpreviewgen[10909]: I CoreContext 
previewgenerator.cpp:683 (LocalPreviewRun) Preview at calculated offset 
(1200 seconds)
Jan  6 23:25:28 tv mythpreviewgen: mythpreviewgen[10909]: I CoreContext 
decoders/mythvdpauhelper.cpp:49 (HaveVDPAU) VDPAUHelp: VDPAU 
functionality checked failed
Jan  6 23:25:28 tv mythpreviewgen: mythpreviewgen[10909]: I CoreContext 
decoders/mythvaapicontext.cpp:537 (HaveVAAPI) VAAPIDec: VAAPI 
functionality checked failed
Jan  6 23:25:28 tv mythpreviewgen: mythpreviewgen[10909]: I CoreContext 
decoders/mythnvdeccontext.cpp:590 (NVDECCheck) NVDEC: NVDEC 
functionality checked failed
Jan  6 23:25:28 tv mythpreviewgen: mythpreviewgen[10909]: I CoreContext 
decoders/mythv4l2m2mcontext.cpp:337 (HaveV4L2Codecs) V4L2_M2M: V4L2 
codecs supported: None
Jan  6 23:25:28 tv mythpreviewgen: mythpreviewgen[10909]: I SendMessage 
mythcorecontext.cpp:457 (ConnectCommandSocket) 
MythCoreContext::ConnectCommandSocket(): Connecting to backend server: 
192.168.0.108:6543 (try 1 of 1)
Jan  6 23:25:28 tv mythpreviewgen: mythpreviewgen[10909]: I SendMessage 
mythcorecontext.cpp:1679 (CheckProtoVersion) 
MythCoreContext::CheckProtoVersion(): Using protocol version 91 BuzzOff
Jan  6 23:25:29 tv mythpreviewgen: mythpreviewgen[10909]: I CoreContext 
decoders/avformatdecoder.cpp:1991 (ScanStreams) AFD: codec AAC/LATM has 
2 channels
Jan  6 23:25:29 tv mythpreviewgen: mythpreviewgen[10909]: I CoreContext 
decoders/avformatdecoder.cpp:2465 (OpenAVCodec) AFD: Opened codec 
0x560253603ec0, id(AAC/LATM) type(Audio)
Jan  6 23:25:29 tv mythpreviewgen: mythpreviewgen[10909]: I CoreContext 
decoders/avformatdecoder.cpp:1991 (ScanStreams) AFD: codec AAC/LATM has 
2 channels
Jan  6 23:25:29 tv mythpreviewgen: mythpreviewgen[10909]: I CoreContext 
decoders/avformatdecoder.cpp:2465 (OpenAVCodec) AFD: Opened codec 
0x5602536b9580, id(AAC/LATM) type(Audio)
Jan  6 23:25:29 tv mythpreviewgen: mythpreviewgen[10909]: I CoreContext 
decoders/avformatdecoder.cpp:2465 (OpenAVCodec) AFD: Opened codec 
0x560253724100, id(DVB_SUBTITLE) type(Subtitle)
Jan  6 23:25:29 tv mythpreviewgen: mythpreviewgen[10909]: I CoreContext 
decoders/avformatdecoder.cpp:2378 (ScanStreams) AFD: Using ffmpeg for 
video decoding
Jan  6 23:25:29 tv mythpreviewgen: mythpreviewgen[10909]: I CoreContext 
decoders/avformatdecoder.cpp:2465 (OpenAVCodec) AFD: Opened codec 
0x5602536d4900, id(H264) type(Video)
Jan  6 23:25:29 tv mythpreviewgen: mythpreviewgen[10909]: I CoreContext 
platforms/mythdrmdevice.cpp:25 (MythDRMDevice) : Failed to open



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