[mythtv] [SVN7344] Live TV fails on second try

Jon Whitear jon at whitear.org
Sun Oct 2 23:08:48 UTC 2005


Mark Weaver wrote:

> You could try running it normally, making it break and then doing 
> attach <pid> in gdb.  You should be able to get a backtrace that way.

Thanks for the tip. I started front- and backend normally, made it 
break, then ran gdb as follows:

server awstats # ps fax
<snip>
16020 ?        S      0:00 /usr/local/bin/mythbackend --daemon --pidfile 
/var/run/mythtv/mythbackend.pid --logfile 
/var/log/mythtv/mythbackend.log -v record,
16025 ?        S      0:00  \_ /usr/local/bin/mythbackend --daemon 
--pidfile /var/run/mythtv/mythbackend.pid --logfile 
/var/log/mythtv/mythbackend.log -v rec
16026 ?        S      0:00      \_ /usr/local/bin/mythbackend --daemon 
--pidfile /var/run/mythtv/mythbackend.pid --logfile 
/var/log/mythtv/mythbackend.log -v
16027 ?        S      0:00      \_ /usr/local/bin/mythbackend --daemon 
--pidfile /var/run/mythtv/mythbackend.pid --logfile 
/var/log/mythtv/mythbackend.log -v
16029 ?        S      0:00      \_ /usr/local/bin/mythbackend --daemon 
--pidfile /var/run/mythtv/mythbackend.pid --logfile 
/var/log/mythtv/mythbackend.log -v
16030 ?        S      0:00      \_ /usr/local/bin/mythbackend --daemon 
--pidfile /var/run/mythtv/mythbackend.pid --logfile 
/var/log/mythtv/mythbackend.log -v
16031 ?        S      0:00      \_ /usr/local/bin/mythbackend --daemon 
--pidfile /var/run/mythtv/mythbackend.pid --logfile 
/var/log/mythtv/mythbackend.log -v
16032 ?        S      0:00      \_ /usr/local/bin/mythbackend --daemon 
--pidfile /var/run/mythtv/mythbackend.pid --logfile 
/var/log/mythtv/mythbackend.log -v
16033 ?        S      0:00      \_ /usr/local/bin/mythbackend --daemon 
--pidfile /var/run/mythtv/mythbackend.pid --logfile 
/var/log/mythtv/mythbackend.log -v
16034 ?        S      0:00      \_ /usr/local/bin/mythbackend --daemon 
--pidfile /var/run/mythtv/mythbackend.pid --logfile 
/var/log/mythtv/mythbackend.log -v
16035 ?        S      0:00      \_ /usr/local/bin/mythbackend --daemon 
--pidfile /var/run/mythtv/mythbackend.pid --logfile 
/var/log/mythtv/mythbackend.log -v
16036 ?        S      0:00      \_ /usr/local/bin/mythbackend --daemon 
--pidfile /var/run/mythtv/mythbackend.pid --logfile 
/var/log/mythtv/mythbackend.log -v
16037 ?        S      0:00      \_ /usr/local/bin/mythbackend --daemon 
--pidfile /var/run/mythtv/mythbackend.pid --logfile 
/var/log/mythtv/mythbackend.log -v

server awstats # gdb
GNU gdb 6.3
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain 
conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i686-pc-linux-gnu".
(gdb) attach 16020
Attaching to process 16020
Using host libthread_db library "/lib/libthread_db.so.1".
warning: could not load vsyscall page because no executable was specified
warning: try using the "file" command first
Reading symbols from /usr/local/bin/mythbackend...done.
Reading symbols from /usr/local/lib/libmythtv-0.18.so.0...done.
Loaded symbols for /usr/local/lib/libmythtv-0.18.so.0
Reading symbols from /usr/local/lib/libmythavformat-0.18.so.0...done.
Loaded symbols for /usr/local/lib/libmythavformat-0.18.so.0
Reading symbols from /usr/local/lib/libmythavutil-0.18.so.0...done.
Loaded symbols for /usr/local/lib/libmythavutil-0.18.so.0
Reading symbols from /usr/local/lib/libmythavcodec-0.18.so.0...done.
Loaded symbols for /usr/local/lib/libmythavcodec-0.18.so.0
Reading symbols from /usr/local/lib/libmyth-0.18.so.0...done.
Loaded symbols for /usr/local/lib/libmyth-0.18.so.0
Reading symbols from /usr/lib/libfreetype.so.6...done.
Loaded symbols for /usr/lib/libfreetype.so.6
Reading symbols from /usr/lib/libmp3lame.so.0...done.
Loaded symbols for /usr/lib/libmp3lame.so.0
Reading symbols from /usr/lib/libasound.so.2...done.
Loaded symbols for /usr/lib/libasound.so.2
Reading symbols from /usr/X11R6/lib/libXinerama.so.1...done.
Loaded symbols for /usr/X11R6/lib/libXinerama.so.1
Reading symbols from /usr/X11R6/lib/libXv.so.1...done.
Loaded symbols for /usr/X11R6/lib/libXv.so.1
Reading symbols from /usr/X11R6/lib/libX11.so.6...done.
Loaded symbols for /usr/X11R6/lib/libX11.so.6
Reading symbols from /usr/X11R6/lib/libXext.so.6...done.
Loaded symbols for /usr/X11R6/lib/libXext.so.6
Reading symbols from /usr/X11R6/lib/libXxf86vm.so.1...done.
Loaded symbols for /usr/X11R6/lib/libXxf86vm.so.1
Reading symbols from /usr/qt/3/lib/libqt-mt.so.3...done.
Loaded symbols for /usr/qt/3/lib/libqt-mt.so.3
Reading symbols from /lib/libpthread.so.0...done.
[Thread debugging using libthread_db enabled]
[New Thread 16384 (LWP 16020)]
[New Thread 32769 (LWP 16025)]
[New Thread 16386 (LWP 16026)]
[New Thread 32771 (LWP 16027)]
[New Thread 49156 (LWP 16029)]
[New Thread 65541 (LWP 16030)]
[New Thread 81926 (LWP 16031)]
[New Thread 98311 (LWP 16032)]
[New Thread 114696 (LWP 16033)]
[New Thread 131081 (LWP 16034)]
[New Thread 147466 (LWP 16035)]
[New Thread 163851 (LWP 16036)]
[New Thread 180236 (LWP 16037)]
[New Thread 311309 (LWP 16053)]
[New Thread 327694 (LWP 16054)]
Loaded symbols for /lib/libpthread.so.0
Reading symbols from 
/usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.6/libstdc++.so.5...done.
Loaded symbols for /usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.6/libstdc++.so.5
Reading symbols from /lib/libm.so.6...done.
Loaded symbols for /lib/libm.so.6
Reading symbols from 
/usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.6/libgcc_s.so.1...done.
Loaded symbols for /usr/lib/gcc-lib/i686-pc-linux-gnu/3.3.6/libgcc_s.so.1
Reading symbols from /lib/libc.so.6...done.
Loaded symbols for /lib/libc.so.6
Reading symbols from /lib/libz.so.1...done.
Loaded symbols for /lib/libz.so.1
Reading symbols from /lib/libdl.so.2...done.
Loaded symbols for /lib/libdl.so.2
Reading symbols from /usr/lib/libmng.so.1...done.
Loaded symbols for /usr/lib/libmng.so.1
Reading symbols from /usr/lib/libjpeg.so.62...done.
Loaded symbols for /usr/lib/libjpeg.so.62
Reading symbols from /usr/lib/libpng.so.3...done.
Loaded symbols for /usr/lib/libpng.so.3
Reading symbols from /usr/X11R6/lib/libXi.so.6...done.
Loaded symbols for /usr/X11R6/lib/libXi.so.6
Reading symbols from /usr/X11R6/lib/libXrender.so.1...done.
Loaded symbols for /usr/X11R6/lib/libXrender.so.1
Reading symbols from /usr/X11R6/lib/libXrandr.so.2...done.
Loaded symbols for /usr/X11R6/lib/libXrandr.so.2
Reading symbols from /usr/X11R6/lib/libXcursor.so.1...done.
Loaded symbols for /usr/X11R6/lib/libXcursor.so.1
Reading symbols from /usr/X11R6/lib/libXft.so.2...done.
Loaded symbols for /usr/X11R6/lib/libXft.so.2
Reading symbols from /usr/lib/libfontconfig.so.1...done.
Loaded symbols for /usr/lib/libfontconfig.so.1
Reading symbols from /usr/X11R6/lib/libSM.so.6...done.
Loaded symbols for /usr/X11R6/lib/libSM.so.6
Reading symbols from /usr/X11R6/lib/libICE.so.6...done.
Loaded symbols for /usr/X11R6/lib/libICE.so.6
Reading symbols from /lib/ld-linux.so.2...done.
Loaded symbols for /lib/ld-linux.so.2
Reading symbols from /usr/lib/libexpat.so.0...done.
Loaded symbols for /usr/lib/libexpat.so.0
Reading symbols from /usr/qt/3/plugins/sqldrivers/libqsqlmysql.so...done.
Loaded symbols for /usr/qt/3/plugins/sqldrivers/libqsqlmysql.so
Reading symbols from /usr/lib/libmysqlclient.so.12...done.
Loaded symbols for /usr/lib/libmysqlclient.so.12
Reading symbols from /lib/libcrypt.so.1...done.
Loaded symbols for /lib/libcrypt.so.1
Reading symbols from /lib/libnsl.so.1...done.
Loaded symbols for /lib/libnsl.so.1
Reading symbols from /usr/lib/libssl.so.0.9.7...done.
Loaded symbols for /usr/lib/libssl.so.0.9.7
Reading symbols from /usr/lib/libcrypto.so.0.9.7...done.
Loaded symbols for /usr/lib/libcrypto.so.0.9.7
Reading symbols from /lib/libnss_files.so.2...done.
Loaded symbols for /lib/libnss_files.so.2
0xb65dc656 in nanosleep () from /lib/libc.so.6
(gdb) Quit
(gdb) thread apply all bt

Thread 15 (Thread 327694 (LWP 16054)):
#0  0xb675fc86 in nanosleep () from /lib/libpthread.so.0
#1  0x00000000 in ?? ()
#2  0xb675c1c4 in __pthread_timedsuspend_new () from /lib/libpthread.so.0
#3  0xb6758392 in pthread_cond_timedwait_relative () from 
/lib/libpthread.so.0
#4  0xb6cad39a in QWaitCondition::wait () from /usr/qt/3/lib/libqt-mt.so.3
#5  0xb7a1bfc4 in ThreadedFileWriter::SyncLoop (this=0x8134718) at 
ThreadedFileWriter.cpp:231
#6  0xb7a1b111 in ThreadedFileWriter::boot_syncer (wotsit=0x8134718) at 
ThreadedFileWriter.cpp:65
#7  0xb675935e in pthread_start_thread () from /lib/libpthread.so.0
#8  0xb660bc2a in clone () from /lib/libc.so.6

Thread 14 (Thread 311309 (LWP 16053)):
#0  0xb675fc86 in nanosleep () from /lib/libpthread.so.0
#1  0x00000000 in ?? ()
#2  0xb675c1c4 in __pthread_timedsuspend_new () from /lib/libpthread.so.0
#3  0xb6758392 in pthread_cond_timedwait_relative () from 
/lib/libpthread.so.0
#4  0xb6cad39a in QWaitCondition::wait () from /usr/qt/3/lib/libqt-mt.so.3
#5  0xb7a1c077 in ThreadedFileWriter::DiskLoop (this=0x8134718) at 
ThreadedFileWriter.cpp:252
#6  0xb7a1b0e3 in ThreadedFileWriter::boot_writer (wotsit=0x8134718) at 
ThreadedFileWriter.cpp:58
#7  0xb675935e in pthread_start_thread () from /lib/libpthread.so.0
#8  0xb660bc2a in clone () from /lib/libc.so.6

Thread 13 (Thread 180236 (LWP 16037)):
#0  0xb675c224 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0xb675c068 in __pthread_wait_for_restart_signal () from 
/lib/libpthread.so.0
#2  0xb675818b in pthread_cond_wait at GLIBC_2.0 () from /lib/libpthread.so.0
#3  0xb6cad3e9 in QWaitCondition::wait () from /usr/qt/3/lib/libqt-mt.so.3
#4  0xb7c62c3d in TVRec::WaitForEventThreadSleep (this=0x810de68, 
wake=true, time=4294967295) at tv_rec.cpp:1240
#5  0xb7c704de in TVRec::SpawnLiveTV (this=0x810de68) at tv_rec.cpp:2622
#6  0x08062730 in EncoderLink::SpawnLiveTV (this=0x810eca8) at 
encoderlink.cpp:648
#7  0x0808a8d2 in MainServer::HandleRecorderQuery (this=0x811a4d8, 
slist=@0xb300be60, commands=@0xb300be40, pbs=0x812ba60) at 
mainserver.cpp:2421
#8  0x08075ab2 in MainServer::ProcessRequestWork (this=0x811a4d8, 
sock=0x8149f48) at mainserver.cpp:391
#9  0x08074a58 in MainServer::ProcessRequest (this=0x811a4d8, 
sock=0x8149f48) at mainserver.cpp:232
#10 0x0809e0aa in ProcessRequestThread::run (this=0x8107398) at 
mainserver.cpp:83
#11 0xb69af64a in QThreadInstance::start () from /usr/qt/3/lib/libqt-mt.so.3
#12 0xb675935e in pthread_start_thread () from /lib/libpthread.so.0
#13 0xb660bc2a in clone () from /lib/libc.so.6

Thread 12 (Thread 163851 (LWP 16036)):
#0  0xb675c224 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0xb675c068 in __pthread_wait_for_restart_signal () from 
/lib/libpthread.so.0
#2  0xb675d8fd in __pthread_alt_lock () from /lib/libpthread.so.0
#3  0xb675a3d5 in pthread_mutex_lock () from /lib/libpthread.so.0
#4  0xb6cac69c in QRecursiveMutexPrivate::lock () from 
/usr/qt/3/lib/libqt-mt.so.3
#5  0xb6cacaa4 in QMutex::lock () from /usr/qt/3/lib/libqt-mt.so.3
#6  0x0809ab33 in QMutexLocker (this=0xb320ba00, m=0x810df38) at qmutex.h:96
#7  0xb7c7385f in TVRec::SetReadThreadSocket (this=0x810de68, sock=0x0) 
at tv_rec.cpp:3041
#8  0x08063e3b in EncoderLink::SetReadThreadSocket (this=0x810eca8, 
rsock=0x0) at encoderlink.cpp:948
#9  0x0808c957 in MainServer::HandleRecorderQuery (this=0x811a4d8, 
slist=@0xb320be60, commands=@0xb320be40, pbs=0x81408f0) at 
mainserver.cpp:2649
#10 0x08075ab2 in MainServer::ProcessRequestWork (this=0x811a4d8, 
sock=0x81089a8) at mainserver.cpp:391
#11 0x08074a58 in MainServer::ProcessRequest (this=0x811a4d8, 
sock=0x81089a8) at mainserver.cpp:232
#12 0x0809e0aa in ProcessRequestThread::run (this=0x8107530) at 
mainserver.cpp:83
#13 0xb69af64a in QThreadInstance::start () from /usr/qt/3/lib/libqt-mt.so.3
#14 0xb675935e in pthread_start_thread () from /lib/libpthread.so.0
#15 0xb660bc2a in clone () from /lib/libc.so.6

Thread 11 (Thread 147466 (LWP 16035)):
#0  0xb675c224 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0xb675c068 in __pthread_wait_for_restart_signal () from 
/lib/libpthread.so.0
#2  0xb675818b in pthread_cond_wait at GLIBC_2.0 () from /lib/libpthread.so.0
#3  0xb6cad508 in QWaitCondition::wait () from /usr/qt/3/lib/libqt-mt.so.3
#4  0x0809e087 in ProcessRequestThread::run (this=0x811a428) at 
mainserver.cpp:78
#5  0xb69af64a in QThreadInstance::start () from /usr/qt/3/lib/libqt-mt.so.3
#6  0xb675935e in pthread_start_thread () from /lib/libpthread.so.0
#7  0xb660bc2a in clone () from /lib/libc.so.6

Thread 10 (Thread 131081 (LWP 16034)):
#0  0xb675c224 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0xb675c068 in __pthread_wait_for_restart_signal () from 
/lib/libpthread.so.0
#2  0xb675818b in pthread_cond_wait at GLIBC_2.0 () from /lib/libpthread.so.0
#3  0xb6cad508 in QWaitCondition::wait () from /usr/qt/3/lib/libqt-mt.so.3
#4  0x0809e087 in ProcessRequestThread::run (this=0x8116598) at 
mainserver.cpp:78
#5  0xb69af64a in QThreadInstance::start () from /usr/qt/3/lib/libqt-mt.so.3
#6  0xb675935e in pthread_start_thread () from /lib/libpthread.so.0
#7  0xb660bc2a in clone () from /lib/libc.so.6

Thread 9 (Thread 114696 (LWP 16033)):
#0  0xb675c224 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0xb675c068 in __pthread_wait_for_restart_signal () from 
/lib/libpthread.so.0
#2  0xb675818b in pthread_cond_wait at GLIBC_2.0 () from /lib/libpthread.so.0
#3  0xb6cad508 in QWaitCondition::wait () from /usr/qt/3/lib/libqt-mt.so.3
#4  0x0809e087 in ProcessRequestThread::run (this=0x8104d18) at 
mainserver.cpp:78
#5  0xb69af64a in QThreadInstance::start () from /usr/qt/3/lib/libqt-mt.so.3
#6  0xb675935e in pthread_start_thread () from /lib/libpthread.so.0
#7  0xb660bc2a in clone () from /lib/libc.so.6

Thread 8 (Thread 98311 (LWP 16032)):
#0  0xb65dc656 in nanosleep () from /lib/libc.so.6
#1  0x00000000 in ?? ()
#2  0xb65dc49d in sleep () from /lib/libc.so.6
#3  0xb7a3aea6 in JobQueue::ProcessQueue (this=0x8116538) at 
jobqueue.cpp:469
#4  0xb7a362fe in JobQueue::RunQueueProcesser (this=0x8116538) at 
jobqueue.cpp:135
#5  0xb7a36327 in JobQueue::QueueProcesserThread (param=0x8116538) at 
jobqueue.cpp:141
#6  0xb675935e in pthread_start_thread () from /lib/libpthread.so.0
#7  0xb660bc2a in clone () from /lib/libc.so.6

Thread 7 (Thread 81926 (LWP 16031)):
#0  0xb65dc656 in nanosleep () from /lib/libc.so.6
#1  0x00000000 in ?? ()
#2  0xb65dc49d in sleep () from /lib/libc.so.6
#3  0x080bbb8a in HouseKeeper::RunHouseKeeping (this=0x8111680) at 
housekeeper.cpp:175
#4  0x080bc6b9 in HouseKeeper::doHouseKeepingThread (param=0x8111680) at 
housekeeper.cpp:236
#5  0xb675935e in pthread_start_thread () from /lib/libpthread.so.0
#6  0xb660bc2a in clone () from /lib/libc.so.6

Thread 6 (Thread 65541 (LWP 16030)):
#0  0xb65dc656 in nanosleep () from /lib/libc.so.6
#1  0x00000000 in ?? ()
#2  0xb65dc49d in sleep () from /lib/libc.so.6
#3  0x080586bb in AutoExpire::Sleep (this=0x81175a8) at autoexpire.cpp:273
#4  0x08058671 in AutoExpire::RunExpirer (this=0x81175a8) at 
autoexpire.cpp:261
#5  0x08059b9d in AutoExpire::ExpirerThread (param=0x81175a8) at 
autoexpire.cpp:379
#6  0xb675935e in pthread_start_thread () from /lib/libpthread.so.0
#7  0xb660bc2a in clone () from /lib/libc.so.6

Thread 5 (Thread 49156 (LWP 16029)):
#0  0xb675fc86 in nanosleep () from /lib/libpthread.so.0
#1  0x00000000 in ?? ()
#2  0xb675c1c4 in __pthread_timedsuspend_new () from /lib/libpthread.so.0
#3  0xb6758392 in pthread_cond_timedwait_relative () from 
/lib/libpthread.so.0
#4  0xb6cad4b1 in QWaitCondition::wait () from /usr/qt/3/lib/libqt-mt.so.3
#5  0x080a7878 in Scheduler::RunScheduler (this=0x81025f0) at 
scheduler.cpp:1018
#6  0x080ab17d in Scheduler::SchedulerThread (param=0x81025f0) at 
scheduler.cpp:1432
#7  0xb675935e in pthread_start_thread () from /lib/libpthread.so.0
#8  0xb660bc2a in clone () from /lib/libc.so.6

Thread 4 (Thread 32771 (LWP 16027)):
#0  0xb675c224 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0xb675c068 in __pthread_wait_for_restart_signal () from 
/lib/libpthread.so.0
#2  0xb675d8fd in __pthread_alt_lock () from /lib/libpthread.so.0
#3  0xb675a3d5 in pthread_mutex_lock () from /lib/libpthread.so.0
#4  0xb6cac69c in QRecursiveMutexPrivate::lock () from 
/usr/qt/3/lib/libqt-mt.so.3
#5  0xb6cacaa4 in QMutex::lock () from /usr/qt/3/lib/libqt-mt.so.3
#6  0xb7c62b77 in TVRec::RunTV (this=0x810de68) at tv_rec.cpp:1223
#7  0xb7c6201b in TVRec::EventThread (param=0x810de68) at tv_rec.cpp:1096
#8  0xb675935e in pthread_start_thread () from /lib/libpthread.so.0
#9  0xb660bc2a in clone () from /lib/libc.so.6

Thread 3 (Thread 16386 (LWP 16026)):
#0  0xb675fc86 in nanosleep () from /lib/libpthread.so.0
#1  0x00000000 in ?? ()
#2  0xb675c1c4 in __pthread_timedsuspend_new () from /lib/libpthread.so.0
#3  0xb6758392 in pthread_cond_timedwait_relative () from 
/lib/libpthread.so.0
#4  0xb6cad39a in QWaitCondition::wait () from /usr/qt/3/lib/libqt-mt.so.3
#5  0xb7c62b64 in TVRec::RunTV (this=0x8108ce8) at tv_rec.cpp:1222
#6  0xb7c6201b in TVRec::EventThread (param=0x8108ce8) at tv_rec.cpp:1096
#7  0xb675935e in pthread_start_thread () from /lib/libpthread.so.0
#8  0xb660bc2a in clone () from /lib/libc.so.6

Thread 2 (Thread 32769 (LWP 16025)):
#0  0xb66033ea in poll () from /lib/libc.so.6
#1  0xb6758e50 in __pthread_manager () from /lib/libpthread.so.0
#2  0xb660bc2a in clone () from /lib/libc.so.6

Thread 1 (Thread 16384 (LWP 16020)):
#0  0xb65dc656 in nanosleep () from /lib/libc.so.6
#1  0x00000000 in ?? ()
#2  0xb6605d6a in usleep () from /lib/libc.so.6
#3  0x080923c3 in MainServer::endConnection (this=0x811a4d8, 
socket=0x811c0a8) at mainserver.cpp:3408
#4  0x080bcdbf in MainServer::qt_invoke (this=0x811a4d8, _id=6, 
_o=0xbffd48b0) at moc_mainserver.cpp:102
#5  0xb6a17c2c in QObject::activate_signal () from 
/usr/qt/3/lib/libqt-mt.so.3
#6  0x080bd2de in MythServer::endConnect (this=0x8108370, t0=0x811c0a8) 
at moc_server.cpp:117
#7  0x080ba82c in MythServer::discardClient (this=0x8108370) at 
server.cpp:27
#8  0x080bd37f in MythServer::qt_invoke (this=0x8108370, _id=3, 
_o=0xbffd49b0) at moc_server.cpp:123
#9  0xb6a17c2c in QObject::activate_signal () from 
/usr/qt/3/lib/libqt-mt.so.3
#10 0xb6a17a64 in QObject::activate_signal () from 
/usr/qt/3/lib/libqt-mt.so.3
#11 0xb6d7ca7e in QSocket::connectionClosed () from 
/usr/qt/3/lib/libqt-mt.so.3
#12 0xb6c0c630 in QSocket::sn_read () from /usr/qt/3/lib/libqt-mt.so.3
#13 0xb6d7cbe1 in QSocket::qt_invoke () from /usr/qt/3/lib/libqt-mt.so.3
#14 0xb6a17c2c in QObject::activate_signal () from 
/usr/qt/3/lib/libqt-mt.so.3
#15 0xb6a17d8d in QObject::activate_signal () from 
/usr/qt/3/lib/libqt-mt.so.3
#16 0xb6d4dea2 in QSocketNotifier::activated () from 
/usr/qt/3/lib/libqt-mt.so.3
#17 0xb6a34130 in QSocketNotifier::event () from /usr/qt/3/lib/libqt-mt.so.3
#18 0xb69bc04f in QApplication::internalNotify () from 
/usr/qt/3/lib/libqt-mt.so.3
#19 0xb69bb39b in QApplication::notify () from /usr/qt/3/lib/libqt-mt.so.3
#20 0xb69aba5a in QEventLoop::activateSocketNotifiers () from 
/usr/qt/3/lib/libqt-mt.so.3
#21 0xb6966547 in QEventLoop::processEvents () from 
/usr/qt/3/lib/libqt-mt.so.3
#22 0xb69ce1b8 in QEventLoop::enterLoop () from /usr/qt/3/lib/libqt-mt.so.3
#23 0xb69ce068 in QEventLoop::exec () from /usr/qt/3/lib/libqt-mt.so.3
#24 0xb69bc2a1 in QApplication::exec () from /usr/qt/3/lib/libqt-mt.so.3
#25 0x08071d45 in main (argc=8, argv=0xbffd6414) at main.cpp:623
#0  0xb65dc656 in nanosleep () from /lib/libc.so.6
(gdb)




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