<html><body><div>Hello,<br><br>This is a follow on from another thread, where Jean-Yves Avenard and others were helping me to work through some performance issue with MythFrontend on Mac OS X.<br><br>I've decided to create a new thread for this, as the original subject doesn't really apply to this issue.<br><br>My backend:<br>MythTV Version : v0.25-beta-107-gc09b076<br>MythTV Branch : master<br>Network Protocol : 72<br>Library API : 0.25.20120307-2<br>QT Version : 4.6.2<br>Options compiled in:<br> linux profile use_hidesyms using_alsa using_oss using_pulse using_pulseoutput using_backend using_bindings_perl using_bindings_python using_bindings_php using_crystalhd using_dvb using_firewire using_frontend using_hdhomerun using_ceton using_hdpvr using_iptv using_ivtv using_joystick_menu using_libcrypto using_libdns_sd using_libxml2 using_lirc using_mheg using_opengl_video using_qtwebkit using_qtscript using_qtdbus using_v4l2 using_v4l1 using_x11 using_xrandr using_xv using_bindings_perl using_bindings_python using_bindings_php using_mythtranscode using_opengl using_vdpau using_ffmpeg_threads using_live using_mheg using_libxml2<br><br>Frontend:<br>MythTV Version : v0.25-beta-105-gf261f8e<br>MythTV Branch : master<br>Network Protocol : 72<br>Library API : 0.25.20120307-2<br>QT Version : 4.6.4<br>Options compiled in:<br> debug use_hidesyms darwin_da using_corevideo using_backend using_bindings_php using_darwin using_firewire using_frontend using_hdhomerun using_ceton using_iptv using_libcrypto using_libdns_sd using_libxml2 using_libudf using_mheg using_opengl_video using_qtwebkit using_qtscript using_qtdbus using_appleremote using_bindings_php using_darwin_da using_mythtranscode using_opengl using_ffmpeg_threads using_live using_mheg using_libxml2 using_libudf<br><br>When I try to watch live TV from the frontend, I get a message displayed "Error Opening jump program file buffer in Live TV" or sometimes a message like "Failed to read buffer too many times", then moments later MythFrontend crashes with a segfault. Here's log with audio,file debugging on: <a href="http://pastebin.com/GtnmnVY8" data-mce-href="http://pastebin.com/GtnmnVY8">http://pastebin.com/GtnmnVY8</a> . I doubt it's of any use, but here's the Mac OS X crash report too: <a href="http://pastebin.com/vjGirB16" data-mce-href="http://pastebin.com/vjGirB16">http://pastebin.com/vjGirB16</a>á<br><br>Here's my log from the backend server with all debug info on at the same time: <a href="http://pastebin.com/KHpHXFjJ" data-mce-href="http://pastebin.com/KHpHXFjJ">http://pastebin.com/KHpHXFjJ</a><br><br>I'm also getting thousands of messages in my backend logs like this:<br><br>2012-03-15 07:16:23.585144 E PSIP table 0x82 is invalid<br>2012-03-15 07:16:23.607022 I PESPacket: Failed CRC check 0x88fb00f != 0xfad29e62 for StreamID = 0x84<br>2012-03-15 07:16:23.607027 E PSIP packet failed CRC check. pid(0x1033) type(0x84)<br>2012-03-15 07:16:23.607033 I PESPacket: Failed CRC check 0x60b2298b != 0xdc8e2e56 for StreamID = 0x84<br>2012-03-15 07:16:23.607035 E PSIP packet failed CRC check. pid(0x1033) type(0x84)<br>2012-03-15 07:16:23.607040 I PESPacket: Failed CRC check 0xfcf6b6d2 != 0xd7e5e198 for StreamID = 0x84<br>2012-03-15 07:16:23.607042 E PSIP packet failed CRC check. pid(0x1033) type(0x84)<br>2012-03-15 07:16:23.607046 I PESPaácket: Failed CRC check 0x8d1dbf92 != 0x82565252 for StreamID = 0x84<br>2012-03-15 07:16:23.607048 E PSIP packet failed CRC check. pid(0x1033) type(0x84)<br>2012-03-15 07:16:23.607052 I PESPacket: Failed CRC check 0x81fdbddf != 0xdae8cb56 for StreamID = 0x84<br>2012-03-15 07:16:23.607054 E PSIP packet failed CRC check. pid(0x1033) type(0x84)<br>2012-03-15 07:16:23.607058 I PESPacket: Failed CRC check 0x3c895f04 != 0xafb11e70 for StreamID = 0x84<br>2012-03-15 07:16:23.607060 E PSIP packet failed CRC check. pid(0x1033) type(0x84)<br>2012-03-15 07:16:23.607066 I PESPacket: Failed CRC check 0xc08e1753 != 0xecdb6147 for StreamID = 0x84<br>2012-03-15 07:16:23.607068 E PSIP packet failed CRC check. pid(0x1033) type(0x84)<br>2012-03-15 07:16:24.301321 E PSIPTable: Failed CRC check 0x13f26f9d != 0x5ec50fdb for StreamID = 0x82<br>2012-03-15 07:16:24.301340 E PSIP table 0x82 is invalid<br><br>I'm not sure if it's related to the segfault of the frontend, but though it best to mention it any way.<br><br>Also worth noting: my backend does not crash when the frontend does, which points to the frontent configuration as being the problem, but I'm not sure.<br><br>If a trace of the frontend would be of any use, please let me know and I'll try to get one.<br><br>Many thanks,<br><br>Joe<br></div><div><br></div></body></html>