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[Bug 592422] Re: mythtv front end crashes on channel change

 

Howdy, and thank you for helping to improve Mythbuntu by opening this
ticket. Could you please update to the latest version of the debug
packages by following the "basic backtrace" directions outlined here:

http://www.mythtv.org/wiki/Debugging#Debugging_with_Ubuntu_packages

The above process should result in a new ticket being opened if you can
reproduce the issue with the latest version that is provided by auto-
builds, so I'm going to close this ticket.  Please ignore the "invalid"
portion of this status... that is simply an unfortunate limitation of
launchpad.

** Changed in: mythtv (Ubuntu)
   Importance: Undecided => Medium

** Changed in: mythtv (Ubuntu)
       Status: New => Invalid

-- 
mythtv front end crashes on channel change
https://bugs.launchpad.net/bugs/592422
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Status in “mythtv” package in Ubuntu: Invalid

Bug description:
Binary package hint: mythtv

It crashes when switching to a channel it doesn't like: typically this means an encrypted channel or a data channel. Unfortunately, once it gets into this state, you can't change channel away from the channel that makes it crash, and the only solution seems to be to wipe the channel database completely clean and re-scan.

2010-06-10 21:24:15.119 mythfrontend version: branches/release-0-23-fixes [24158] www.mythtv.org
2010-06-10 21:24:15.120 Using runtime prefix = /usr
2010-06-10 21:24:15.121 Using configuration directory = /home/silverstone/.mythtv
2010-06-10 21:24:15.942 Empty LocalHostName.
2010-06-10 21:24:15.943 Using localhost value of silverstone
2010-06-10 21:24:15.967 New DB connection, total: 1
2010-06-10 21:24:15.980 Connected to database 'mythconverg' at host: localhost
2010-06-10 21:24:15.982 Closing DB connection named 'DBManager0'
2010-06-10 21:24:16.025 ScreenSaverX11Private: XScreenSaver support enabled
2010-06-10 21:24:16.030 DPMS is disabled.
2010-06-10 21:24:16.037 Primary screen: 0.
2010-06-10 21:24:16.039 Connected to database 'mythconverg' at host: localhost
2010-06-10 21:24:16.044 Using screen 0, 1920x1080 at 0,0
2010-06-10 21:24:16.103 Desktop video mode: 1920x1080 50 Hz
2010-06-10 21:24:16.201 MythUI Image Cache size set to 20971520 bytes
2010-06-10 21:24:16.276 AudioPulseUtil: Suspend Success
2010-06-10 21:24:16.279 Enabled verbose msgs:  important general
2010-06-10 21:24:16.360 Connecting to lcd server: 127.0.0.1:6545 (try 1 of 10)
2010-06-10 21:24:16.368 New DB connection, total: 2
2010-06-10 21:24:16.372 Connected to database 'mythconverg' at host: localhost
2010-06-10 21:24:16.392 Primary screen: 0.
2010-06-10 21:24:16.396 Using screen 0, 1920x1080 at 0,0
2010-06-10 21:24:16.401 Using theme base resolution of 1280x720
2010-06-10 21:24:16.431 LIRC: Successfully initialized '/dev/lircd' using '/home/silverstone/.mythtv/lircrc' config
2010-06-10 21:24:16.431 JoystickMenuThread Error: Joystick disabled - Failed to read /home/silverstone/.mythtv/joystickmenurc
2010-06-10 21:24:16.590 Using Frameless Window
2010-06-10 21:24:16.590 Using Full Screen Window
2010-06-10 21:24:17.738 Using the OpenGL painter
2010-06-10 21:24:18.693 XMLParseBase: Loaded base theme from '/usr/share/mythtv/themes/MythCenter-wide/base.xml'
2010-06-10 21:24:18.768 XMLParseBase: Loaded base theme from '/usr/share/mythtv/themes/default-wide/base.xml'
2010-06-10 21:24:18.827 XMLParseBase: Loaded base theme from '/usr/share/mythtv/themes/default/base.xml'
2010-06-10 21:24:18.858 Current MythTV Schema Version (DBSchemaVer): 1254
2010-06-10 21:24:22.221 Registering Internal as a media playback plugin.
2010-06-10 21:24:22.318 Cannot load language en_gb for module mytharchive
2010-06-10 21:24:22.422 MediaMonitorUnix::AddDevice() - empty device path.
2010-06-10 21:24:22.423 MediaMonitorUnix::AddDevice() - empty device path.
2010-06-10 21:24:22.424 MediaMonitorUnix::AddDevice() - empty device path.
2010-06-10 21:24:22.430 MediaMonitorUnix::AddDevice() - empty device path.
2010-06-10 21:24:22.432 MediaMonitorUnix::AddDevice() - empty device path.
2010-06-10 21:24:22.433 MediaMonitorUnix::AddDevice() - empty device path.
2010-06-10 21:24:22.439 MediaMonitorUnix::AddDevice() - empty device path.
2010-06-10 21:24:22.440 MediaMonitorUnix::AddDevice() - empty device path.
2010-06-10 21:24:22.441 MediaMonitorUnix::AddDevice() - empty device path.
2010-06-10 21:24:22.447 MediaMonitorUnix::AddDevice() - empty device path.
2010-06-10 21:24:22.449 MediaMonitorUnix::AddDevice() - empty device path.
2010-06-10 21:24:22.450 MediaMonitorUnix::AddDevice() - empty device path.
2010-06-10 21:24:22.456 MediaMonitorUnix::AddDevice() - empty device path.
2010-06-10 21:24:22.458 MediaMonitorUnix::AddDevice() - empty device path.
2010-06-10 21:24:22.459 MediaMonitorUnix::AddDevice() - empty device path.
2010-06-10 21:24:22.462 MonitorRegisterExtensions(0x100, gif,jpg,png)
2010-06-10 21:24:22.463 Cannot load language en_gb for module mythgallery
2010-06-10 21:24:22.485 Cannot load language en_gb for module mythgame
2010-06-10 21:24:22.572 Current MythMusic Schema Version (MusicDBSchemaVer): 1017
2010-06-10 21:24:22.745 MonitorRegisterExtensions(0x40, mp3,mp2,ogg,oga,flac,wma,wav,ac3,oma,omg,atp,ra,dts,aac,m4a,aa3,tta,mka,aiff,swa,wv)
2010-06-10 21:24:22.782 Cannot load language en_gb for module mythmusic
2010-06-10 21:24:22.827 Current MythVideo Schema Version (mythvideo.DBSchemaVer): 1032
2010-06-10 21:24:22.944 Cannot load language en_gb for module mythvideo
2010-06-10 21:24:22.984 Cannot load language en_gb for module mythweather
2010-06-10 21:24:22.991 XMLParseBase: Loading window theme from /usr/share/mythtv/themes/MythCenter-wide/menu-ui.xml
2010-06-10 21:24:23.791 Loading menu theme from /usr/share/mythtv/themes/mediacentermenu//mainmenu.xml
2010-06-10 21:24:23.807 Found mainmenu.xml for theme 'MythCenter-wide'
2010-06-10 21:24:25.077 Using NV NPOT texture extension
2010-06-10 21:24:25.412 MythContext: Connecting to backend server: 127.0.0.1:6543 (try 1 of 1)
2010-06-10 21:24:25.416 Using protocol version 56
2010-06-10 21:24:28.344 TV: Attempting to change from None to WatchingLiveTV
2010-06-10 21:24:28.344 MythContext: Connecting to backend server: 127.0.0.1:6543 (try 1 of 1)
2010-06-10 21:24:28.347 Using protocol version 56
2010-06-10 21:24:28.374 Spawning LiveTV Recorder -- begin
2010-06-10 21:24:31.968 Spawning LiveTV Recorder -- end
2010-06-10 21:24:31.976 ProgramInfo(): Updated pathname '':'' -> '12118_20100610212431.mpg'
2010-06-10 21:24:32.003 We have a playbackURL(/var/lib/mythtv/livetv/12118_20100610212431.mpg) & cardtype(DUMMY)
2010-06-10 21:24:32.004 We have a RingBuffer
2010-06-10 21:24:32.199 NVP(0): Disabling Audio, params(-1,2,44100)
2010-06-10 21:24:32.258 ProgramInfo(): Updated pathname '':'' -> '12118_20100610212431.mpg'
2010-06-10 21:24:32.327 ProgramInfo(): Updated pathname '':'' -> '12118_20100610212431.mpg'
2010-06-10 21:24:32.395 ProgramInfo(): Updated pathname '':'' -> '12118_20100610212431.mpg'
2010-06-10 21:24:32.440 VDPAU: Created 2 output surfaces.
2010-06-10 21:24:32.440 VDPAU: Version 1
2010-06-10 21:24:32.440 VDPAU: Information NVIDIA VDPAU Driver Shared Library  195.36.15  Thu Mar 11 23:42:13 PST 2010
2010-06-10 21:24:32.440 VDPAU: Created VDPAU render device 1920x1080
2010-06-10 21:24:32.456 ProgramInfo(): Updated pathname '':'' -> '12118_20100610212431.mpg'
2010-06-10 21:24:32.518 ProgramInfo(): Updated pathname '':'' -> '12118_20100610212431.mpg'
2010-06-10 21:24:32.583 ProgramInfo(): Updated pathname '':'' -> '12118_20100610212431.mpg'
2010-06-10 21:24:32.649 ProgramInfo(): Updated pathname '':'' -> '12118_20100610212431.mpg'
2010-06-10 21:24:32.718 ProgramInfo(): Updated pathname '':'' -> '12118_20100610212431.mpg'
2010-06-10 21:24:32.795 ProgramInfo(): Updated pathname '':'' -> '12118_20100610212431.mpg'
2010-06-10 21:24:32.825 OSD Theme Dimensions W: 640 H: 480
2010-06-10 21:24:32.865 ProgramInfo(): Updated pathname '':'' -> '12118_20100610212431.mpg'
2010-06-10 21:24:32.928 ProgramInfo(): Updated pathname '':'' -> '12118_20100610212431.mpg'
2010-06-10 21:24:32.991 ProgramInfo(): Updated pathname '':'' -> '12118_20100610212431.mpg'
2010-06-10 21:24:33.054 ProgramInfo(): Updated pathname '':'' -> '12118_20100610212431.mpg'
2010-06-10 21:24:33.117 ProgramInfo(): Updated pathname '':'' -> '12118_20100610212433.mpg'
2010-06-10 21:24:33.189 ProgramInfo(): Updated pathname '':'' -> '12118_20100610212433.mpg'
2010-06-10 21:24:33.262 ProgramInfo(): Updated pathname '':'' -> '12118_20100610212433.mpg'
2010-06-10 21:24:33.328 ProgramInfo(): Updated pathname '':'' -> '12118_20100610212433.mpg'
2010-06-10 21:24:33.398 ProgramInfo(): Updated pathname '':'' -> '12118_20100610212433.mpg'
2010-06-10 21:24:33.463 ProgramInfo(): Updated pathname '':'' -> '12118_20100610212433.mpg'
2010-06-10 21:24:33.530 ProgramInfo(): Updated pathname '':'' -> '12118_20100610212433.mpg'
2010-06-10 21:24:33.583 TV: Changing from None to WatchingLiveTV
2010-06-10 21:24:33.583 TV: State is LiveTV & mctx == ctx
2010-06-10 21:24:33.587 TV: UpdateOSDInput done
2010-06-10 21:24:33.587 TV: UpdateLCD done
2010-06-10 21:24:33.590 Realtime priority would require SUID as root.
2010-06-10 21:24:33.599 ProgramInfo(): Updated pathname '':'' -> '12118_20100610212433.mpg'
2010-06-10 21:24:33.619 TV: ITVRestart done
2010-06-10 21:24:33.758 Video timing method: USleep with busy wait
2010-06-10 21:24:33.887 VDPAU: Added 2 output surfaces (total 4, max 4)
2010-06-10 21:24:34.009 AFD Error: Could not find codec parameters. file was "/var/lib/mythtv/livetv/12118_20100610212433.mpg".
2010-06-10 21:24:34.010 Couldn't open decoder for: /var/lib/mythtv/livetv/12118_20100610212433.mpg
2010-06-10 21:24:34.088 NVP(0), Error: JumpToProgram failed.
2010-06-10 21:24:34.089 NVP(0), Error: Unknown recorder error, exiting decoder
2010-06-10 21:24:34.774 XMLParseBase: Loading window theme from /usr/share/mythtv/themes/MythCenter-wide/schedule-ui.xml
2010-06-10 21:24:36.057 TV: Attempting to change from WatchingLiveTV to None
2010-06-10 21:24:38.184 TV: Changing from WatchingLiveTV to None
2010-06-10 21:24:38.244 TV: Attempting to change from None to None
2010-06-10 21:24:38.384 TV: Attempting to change from None to WatchingLiveTV
2010-06-10 21:24:38.385 MythContext: Connecting to backend server: 127.0.0.1:6543 (try 1 of 1)
2010-06-10 21:24:38.386 Using protocol version 56
2010-06-10 21:24:38.513 Spawning LiveTV Recorder -- begin
2010-06-10 21:24:39.957 Spawning LiveTV Recorder -- end
2010-06-10 21:24:39.963 ProgramInfo(): Updated pathname '':'' -> '12118_20100610212439.mpg'
2010-06-10 21:24:39.987 We have a playbackURL(/var/lib/mythtv/livetv/12118_20100610212439.mpg) & cardtype(DUMMY)
2010-06-10 21:24:39.993 We have a RingBuffer
2010-06-10 21:24:40.054 playCtx, Error: Attempting to setup a player, but it already exists.
2010-06-10 21:24:40.055 TV Error: LiveTV not successfully started
Segmentation fault

ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: mythtv 0.23.0+fixes24158-0ubuntu2
ProcVersionSignature: Ubuntu 2.6.32-22.33-generic-pae 2.6.32.11+drm33.2
Uname: Linux 2.6.32-22-generic-pae i686
NonfreeKernelModules: nvidia tbs6980fe
Architecture: i386
Date: Thu Jun 10 21:26:58 2010
InstallationMedia: Mythbuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100427.1)
Installed_mythplugins-dbg: 0.0
Installed_mythtv-dbg: 0.0
PackageArchitecture: all
ProcEnviron:
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
SourcePackage: mythtv





References