[mythtv-users] Front-end lockup when attempting to watch some videos

JCA 1.41421 at gmail.com
Thu Aug 7 13:24:29 UTC 2008 

I am running MythTV 0.21 (the mythv-2008521 package as downloaded from
slacky,eu) on a Slackware 12.1 box with a Hauppauge PVR 150 capture
board, and an NVidia FX 5200 card with the latest NVidia driver
(173.14.12).

I have ripped to my hard drive a few of my daugther's DVDs (so she
can't scratch them anymore ;-) but some of them fail to play. The
MythTV front-end log shows the following lines at that point:

2008-08-06 19:16:28.166 TV: Attempting to change from None to WatchingPreRecorde
d
libdvdread: Using libdvdcss version 1.2.9 for DVD access
libdvdread: Couldn't find device name.
libdvdnav: Using dvdnav version 0.1.10-xine from http://xine.sf.net
libdvdnav: Can't read name block. Probably not a DVD-ROM device.
libdvdnav: Unable to find map file '/home/jca/.dvdnav/.map'
libdvdnav: DVD disk reports itself with Region mask 0x00fd0000. Regions: 2
2008-08-06 19:16:28.200 Opened DVD device at /Movies/MyDaughtersDVD
2008-08-06 19:16:28.204 There are 84 titles on the disk
2008-08-06 19:16:28.204 Title 0 has 0 parts.
2008-08-06 19:16:28.204 Title 1 has 1 parts.
2008-08-06 19:16:28.204 Title 2 has 1 parts.
2008-08-06 19:16:28.204 Title 3 has 1 parts.
2008-08-06 19:16:28.204 Title 4 has 33 parts.
2008-08-06 19:16:28.204 Title 5 has 1 parts.
2008-08-06 19:16:28.204 Title 6 has 1 parts.
2008-08-06 19:16:28.204 Title 7 has 1 parts.
2008-08-06 19:16:28.205 Title 8 has 1 parts.
2008-08-06 19:16:28.205 Title 9 has 1 parts.
2008-08-06 19:16:28.205 Title 10 has 1 parts.
2008-08-06 19:16:28.205 Title 11 has 1 parts.
2008-08-06 19:16:28.205 Title 12 has 1 parts.
2008-08-06 19:16:28.205 Title 13 has 1 parts.
2008-08-06 19:16:28.205 Title 14 has 1 parts.
2008-08-06 19:16:28.205 Title 15 has 1 parts.
2008-08-06 19:16:28.205 Title 16 has 1 parts.
2008-08-06 19:16:28.205 Title 17 has 1 parts.
2008-08-06 19:16:28.205 Title 18 has 1 parts.
2008-08-06 19:16:28.205 Title 19 has 1 parts.
2008-08-06 19:16:28.205 Title 20 has 1 parts.
2008-08-06 19:16:28.205 Title 21 has 16 parts.
2008-08-06 19:16:28.205 Title 22 has 1 parts.
2008-08-06 19:16:28.205 Title 23 has 1 parts.
2008-08-06 19:16:28.205 Title 24 has 1 parts.
2008-08-06 19:16:28.205 Title 25 has 1 parts.
2008-08-06 19:16:28.205 Title 26 has 1 parts.
2008-08-06 19:16:28.205 Title 27 has 1 parts.
2008-08-06 19:16:28.206 Title 28 has 1 parts.
2008-08-06 19:16:28.206 Title 29 has 1 parts.
2008-08-06 19:16:28.206 Title 30 has 1 parts.
2008-08-06 19:16:28.206 Title 31 has 1 parts.
2008-08-06 19:16:28.206 Title 32 has 1 parts.
2008-08-06 19:16:28.206 Title 33 has 1 parts.
2008-08-06 19:16:28.206 Title 34 has 1 parts.
2008-08-06 19:16:28.206 Title 35 has 1 parts.
2008-08-06 19:16:28.206 Title 36 has 1 parts.
2008-08-06 19:16:28.206 Title 37 has 1 parts.
2008-08-06 19:16:28.206 Title 38 has 33 parts.
2008-08-06 19:16:28.206 Title 39 has 1 parts.
2008-08-06 19:16:28.206 Title 40 has 1 parts.
2008-08-06 19:16:28.206 Title 41 has 1 parts.
2008-08-06 19:16:28.206 Title 42 has 1 parts.
2008-08-06 19:16:28.206 Title 43 has 1 parts.
2008-08-06 19:16:28.206 Title 44 has 1 parts.
2008-08-06 19:16:28.206 Title 45 has 1 parts.
2008-08-06 19:16:28.207 Title 46 has 1 parts.
2008-08-06 19:16:28.207 Title 47 has 1 parts.
2008-08-06 19:16:28.207 Title 48 has 1 parts.
2008-08-06 19:16:28.207 Title 49 has 1 parts.
2008-08-06 19:16:28.207 Title 50 has 1 parts.
2008-08-06 19:16:28.207 Title 51 has 1 parts.
2008-08-06 19:16:28.207 Title 52 has 1 parts.
2008-08-06 19:16:28.207 Title 53 has 1 parts.
2008-08-06 19:16:28.207 Title 54 has 1 parts.
2008-08-06 19:16:28.207 Title 55 has 16 parts.
2008-08-06 19:16:28.207 Title 56 has 1 parts.
2008-08-06 19:16:28.207 Title 57 has 1 parts.
2008-08-06 19:16:28.207 Title 58 has 1 parts.
2008-08-06 19:16:28.207 Title 59 has 1 parts.
2008-08-06 19:16:28.207 Title 60 has 1 parts.
2008-08-06 19:16:28.207 Title 61 has 1 parts.
2008-08-06 19:16:28.207 Title 62 has 1 parts.
2008-08-06 19:16:28.207 Title 63 has 1 parts.
2008-08-06 19:16:28.207 Title 64 has 1 parts.
2008-08-06 19:16:28.208 Title 65 has 1 parts.
2008-08-06 19:16:28.208 Title 66 has 1 parts.
2008-08-06 19:16:28.208 Title 67 has 1 parts.
2008-08-06 19:16:28.208 Title 68 has 1 parts.
2008-08-06 19:16:28.208 Title 69 has 1 parts.
2008-08-06 19:16:28.208 Title 70 has 1 parts.
2008-08-06 19:16:28.208 Title 71 has 1 parts.
2008-08-06 19:16:28.208 Title 72 has 2 parts.
2008-08-06 19:16:28.208 Title 73 has 13 parts.
2008-08-06 19:16:28.208 Title 74 has 1 parts.
2008-08-06 19:16:28.208 Title 75 has 1 parts.
2008-08-06 19:16:28.208 Title 76 has 3 parts.
2008-08-06 19:16:28.208 Title 77 has 1 parts.
2008-08-06 19:16:28.208 Title 78 has 1 parts.
2008-08-06 19:16:28.208 Title 79 has 1 parts.
2008-08-06 19:16:28.208 Title 80 has 1 parts.
2008-08-06 19:16:28.208 Title 81 has 1 parts.
2008-08-06 19:16:28.208 Title 82 has 1 parts.
2008-08-06 19:16:28.208 Title 83 has 1 parts.
2008-08-06 19:16:28.251 AFD: Opened codec 0x999a860, id(MPEG2VIDEO) type(Video)
2008-08-06 19:16:28.251 NVP: Disabling Audio, params(-1,-1,-1)
QPixmap: It is not safe to use pixmaps outside the GUI thread
QPixmap: It is not safe to use pixmaps outside the GUI thread
QPixmap: It is not safe to use pixmaps outside the GUI thread
QPixmap: It is not safe to use pixmaps outside the GUI thread
QPixmap: It is not safe to use pixmaps outside the GUI thread
QPixmap: It is not safe to use pixmaps outside the GUI thread
2008-08-06 19:16:28.271 DPMS Deactivated
2008-08-06 19:16:28.333 VideoOutputXv: XVideo Adaptor Name: 'NV17 Video Texture'
2008-08-06 19:16:28.372 OSD Theme Dimensions W: 640 H: 480
2008-08-06 19:16:29.335 TV: Changing from None to WatchingPreRecorded
2008-08-06 19:16:29.335 New DB connection, total: 3
2008-08-06 19:16:29.336 Connected to database 'mythconverg' at host: localhost
2008-08-06 19:16:29.443 Video timing method: USleep with busy wait
2008-08-06 19:16:29.829 AFD: Warning, video codec 0x999a860 id(MPEG2VIDEO) type
(Video) already open.
2008-08-06 19:16:30.280 AFD: codec AC3 has 0 channels
2008-08-06 19:16:30.280 AFD: Opened codec 0xab80b9a0, id(AC3) type(Audio)
2008-08-06 19:16:30.285 Opening audio device '/dev/dsp'. ch 2(2) sr 48000
2008-08-06 19:16:30.285 Opening OSS audio device '/dev/dsp'.
2008-08-06 19:16:30.290 NVP: Enabling Audio
2008-08-06 19:16:30.292 AFD: Warning, audio codec 0xab80b9a0 id(AC3) type (Audio
) already open, leaving it alone.
2008-08-06 19:16:30.293 AFD: codec AC3 has 2 channels
2008-08-06 19:16:30.998 NVP: Prebuffer wait timed out 10 times.
2008-08-06 19:16:31.290 DPMS Reactivated.
2008-08-06 19:16:42.732 TV: Attempting to change from WatchingPreRecorded to Non
e

After this, mythfrontend starts keeping my CPU busy, but my screen
goes black. Even worse, the escape key does not work anymore, and the
only way I have to get out of this deadlock is to kill mythfrontend
(or X) from some other terminal. My MythTV back-end remains fine
throughout this.

Anybody have a clue as to what may be going on? This is a new system,
which makes me think that the hardware and the Slackware 12.1
installation are fine. Since the X server becomes unresponsive, I
wonder if there is a problem with my NVidia card driver or setup? In
case that helps, here's the relevant portion of my xorg.conf file:

Section "Monitor"
       Identifier   "Monitor0"
       VendorName   "Monitor Vendor"
       ModelName    "Unknown monitor"
       HorizSync    31.5 - 37.9
       VertRefresh  50.0 - 70.0
       Option       "UseEdidDpi" "False"
       Option       "DPI" "100x100"
       Option       "dpms"
EndSection

Section "Device"
       Identifier  "Videocard0"
       Driver      "nvidia"
       VendorName  "Videocard vendor"
       BoardName   "NVIDIA GeForce 5200"
       Option      "TVStandard" "NTSC-M"
       Option      "TwinView"
       Option      "TwinViewOrientation" "Clone"
       Option      "SecondMonitorHorizSync" "30 - 50"
       Option      "SecondMonitorVertRefresh" "60"
       Option      "MetaModes" "800x600,800x600"
       Option      "TVOverScan" "0.8"
       Option      "RenderAccel" "1"
       Option      "NvAGP" "1"
       Option      "XvmcUsesTextures" "true"
       Option      "ConnectedMonitor" "CRT,TV-0"
       Option      "TVOutFormat" "SVIDEO"
       Option      "UseEvents" "True"
EndSection

Section "Screen"
       Identifier "Screen0"
       Device     "Videocard0"
       Monitor    "Monitor0"
       DefaultDepth     16
       SubSection "Display"
               Viewport   0 0
               Depth     16
               Modes    "800x600"
               # Modes    "720x480"
       EndSubSection
EndSection

Section "DRI"
       Group        0
       Mode         0666
EndSection

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