[mythtv] Networked slaved backend crashes master backend?

Mark Chou mcpcs at ivwnet.com
Thu Jun 5 01:54:57 EDT 2003


Using CVS 6/3, not sure if this is buggy libqt-mt??  Backtrace appended. 
  This happened with earlier cvs too...  This is on stock Mandrake 9.1 
system.

Steps to reproduce:
- MBE (Alice) running normally....
- Networked SBE (Betty) running normally...
- Reboot SBE machine
- Start mythbackend (on slave machine)
- Start mythfrontend (on slave machine)
- Select Watch Recording (on slave machine)
- mythfrontend UI freezes

======================================================================
(gdb) run
Starting program: /usr/local/bin/mythbackend
[New Thread 16384 (LWP 25742)]
Starting up as the master server.
Probed: /dev/video - Television
Probed: /dev/video - Composite1
Probed: /dev/video - S-Video
Probed: /dev/video - Composite3
[New Thread 32769 (LWP 25748)]
[New Thread 16386 (LWP 25749)]
[New Thread 32771 (LWP 25750)]
[New Thread 49156 (LWP 25751)]
[New Thread 65541 (LWP 25752)]
[New Thread 81926 (LWP 25753)]
[New Thread 98311 (LWP 25754)]
[New Thread 114696 (LWP 25755)]
2003-06-05 00:27:39 adding: betty.nowhere.com as a slave backend server
2003-06-05 00:28:16 adding: betty.nowhere.com as a player 1
2003-06-05 00:28:25 adding: betty.nowhere.com as a player 0
2003-06-05 00:28:25 adding: betty.nowhere.com as a remote file transfer
[New Thread 131081 (LWP 25764)]
2003-06-05 00:30:54 adding: betty.nowhere.com as a slave backend server
2003-06-05 00:31:19 adding: betty.nowhere.com as a player 1
2003-06-05 00:31:26 Slave backend: betty.nowhere.com has left the building
/* Rebooted Betty... */
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 114696 (LWP 25755)]
0x407127b4 in QSocketDevice::socket() const () from 
/usr/lib/qt3/lib/libqt-mt.so.3
Current language:  auto; currently c
(gdb) Quit
(gdb) thread apply all bt full

Thread 9 (Thread 114696 (LWP 25755)):
#0  0x407127b4 in QSocketDevice::socket() const () from 
/usr/lib/qt3/lib/libqt-mt.so.3
No symbol table info available.
#1  0x4071278e in QSocketDevice::isValid() const () from 
/usr/lib/qt3/lib/libqt-mt.so.3
No symbol table info available.
Cannot access memory at address 0x19




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