[mythtv] Graphics problems and crashing mythfrontend
Timm
tjburns at charter.net
Fri Aug 20 14:04:35 UTC 2010
I recently started having a problem with the mythtv display. I would
have lines of white dots, or sometimes black dots, screens repainting
very slowly and corner to corner like a video wipe, and freezing or
crashing. I ran it under gnome for awhile, but the crashes produced no
helpful info. I started running it under icewm and started seeing
segmentation faults on crashes.
This system has been up for about 2 years, although I just replaced the
power supply about 2 weeks ago after the old one died.
I got on the web site and did a dgb output for mythfrontend per the
instructions. The output is below. If this is not a problem with myth,
I would appreciate any help on where to start looking.
Function "qFatal" not defined.
Breakpoint 1 (qFatal) pending.
[Thread debugging using libthread_db enabled]
[New Thread 0xb1c21b70 (LWP 4937)]
[New Thread 0xb12ffb70 (LWP 4938)]
[New Thread 0xb0afeb70 (LWP 4939)]
[New Thread 0xb00e0b70 (LWP 4940)]
[Thread 0xb00e0b70 (LWP 4940) exited]
[New Thread 0xb00e0b70 (LWP 4950)]
[New Thread 0xaf89bb70 (LWP 4955)]
[New Thread 0xaf05ab70 (LWP 4957)]
[New Thread 0xadfccb70 (LWP 4958)]
[New Thread 0xad7cbb70 (LWP 4959)]
[New Thread 0xab959b70 (LWP 4960)]
[Thread 0xad7cbb70 (LWP 4959) exited]
[Thread 0xadfccb70 (LWP 4958) exited]
[New Thread 0xadfccb70 (LWP 4970)]
[New Thread 0xad7cbb70 (LWP 4974)]
[New Thread 0xa52d4b70 (LWP 4975)]
[Thread 0xad7cbb70 (LWP 4974) exited]
[Thread 0xa52d4b70 (LWP 4975) exited]
Program received signal SIGSEGV, Segmentation fault.
0xb4ede6ea in ?? () from /usr/lib/libGL.so.1
Thread 12 (Thread 0xadfccb70 (LWP 4970)):
#0 0xb7fe1424 in __kernel_vsyscall ()
No symbol table info available.
#1 0xb6df67a4 in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/lib/libpthread.so.0
No symbol table info available.
#2 0xb603e94f in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/libQtCore.so.4
No symbol table info available.
#3 0xb60344c9 in ?? () from /usr/lib/libQtCore.so.4
No symbol table info available.
#4 0xb603e32e in ?? () from /usr/lib/libQtCore.so.4
No symbol table info available.
#5 0xb6df1e60 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#6 0xb5e5b20e in clone () from /lib/libc.so.6
No symbol table info available.
Thread 11 (Thread 0xab959b70 (LWP 4960)):
#0 0xb7fe1424 in __kernel_vsyscall ()
No symbol table info available.
#1 0xb5e541f1 in select () from /lib/libc.so.6
No symbol table info available.
#2 0xb6110c41 in ?? () from /usr/lib/libQtCore.so.4
No symbol table info available.
#3 0xb603e32e in ?? () from /usr/lib/libQtCore.so.4
No symbol table info available.
#4 0xb6df1e60 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#5 0xb5e5b20e in clone () from /lib/libc.so.6
No symbol table info available.
Thread 8 (Thread 0xaf05ab70 (LWP 4957)):
#0 0xb7fe1424 in __kernel_vsyscall ()
No symbol table info available.
#1 0xb6df67a4 in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/lib/libpthread.so.0
No symbol table info available.
#2 0xb603e0d1 in ?? () from /usr/lib/libQtCore.so.4
No symbol table info available.
#3 0xb603e17d in QThread::usleep(unsigned long) () from
/usr/lib/libQtCore.so.4
No symbol table info available.
#4 0xb74d546e in MythSignalingTimer::run() () from
/usr/lib/libmythdb-0.23.1.so.0
No symbol table info available.
#5 0xb603e32e in ?? () from /usr/lib/libQtCore.so.4
No symbol table info available.
#6 0xb6df1e60 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#7 0xb5e5b20e in clone () from /lib/libc.so.6
No symbol table info available.
Thread 7 (Thread 0xaf89bb70 (LWP 4955)):
#0 0xb7fe1424 in __kernel_vsyscall ()
No symbol table info available.
#1 0xb5e541f1 in select () from /lib/libc.so.6
No symbol table info available.
#2 0xb74929e2 in MythSocketThread::run() () from
/usr/lib/libmythdb-0.23.1.so.0
No symbol table info available.
#3 0xb603e32e in ?? () from /usr/lib/libQtCore.so.4
No symbol table info available.
#4 0xb6df1e60 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#5 0xb5e5b20e in clone () from /lib/libc.so.6
No symbol table info available.
Thread 6 (Thread 0xb00e0b70 (LWP 4950)):
#0 0xb7fe1424 in __kernel_vsyscall ()
No symbol table info available.
#1 0xb6df63fc in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/libpthread.so.0
No symbol table info available.
#2 0xb603e9cf in QWaitCondition::wait(QMutex*, unsigned long) () from
/usr/lib/libQtCore.so.4
No symbol table info available.
#3 0xb6f2ac57 in MythContext::waitPrivRequest() const () from
/usr/lib/libmyth-0.23.1.so.0
No symbol table info available.
#4 0x08062853 in ?? ()
No symbol table info available.
#5 0xb6df1e60 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#6 0xb5e5b20e in clone () from /lib/libc.so.6
No symbol table info available.
Thread 4 (Thread 0xb0afeb70 (LWP 4939)):
#0 0xb7fe1424 in __kernel_vsyscall ()
No symbol table info available.
#1 0xb5e541f1 in select () from /lib/libc.so.6
No symbol table info available.
#2 0xb7544961 in SSDP::run() () from /usr/lib/libmythupnp-0.23.1.so.0
No symbol table info available.
#3 0xb603e32e in ?? () from /usr/lib/libQtCore.so.4
No symbol table info available.
#4 0xb6df1e60 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#5 0xb5e5b20e in clone () from /lib/libc.so.6
No symbol table info available.
Thread 3 (Thread 0xb12ffb70 (LWP 4938)):
#0 0xb7fe1424 in __kernel_vsyscall ()
No symbol table info available.
#1 0xb6df67a4 in pthread_cond_timedwait@@GLIBC_2.3.2 () from
/lib/libpthread.so.0
No symbol table info available.
#2 0xb603e0d1 in ?? () from /usr/lib/libQtCore.so.4
No symbol table info available.
#3 0xb603e213 in QThread::msleep(unsigned long) () from
/usr/lib/libQtCore.so.4
No symbol table info available.
#4 0xb7547124 in TaskQueue::run() () from /usr/lib/libmythupnp-0.23.1.so.0
No symbol table info available.
#5 0xb603e32e in ?? () from /usr/lib/libQtCore.so.4
No symbol table info available.
#6 0xb6df1e60 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#7 0xb5e5b20e in clone () from /lib/libc.so.6
No symbol table info available.
Thread 2 (Thread 0xb1c21b70 (LWP 4937)):
#0 0xb7fe1424 in __kernel_vsyscall ()
No symbol table info available.
#1 0xb5e50e26 in poll () from /lib/libc.so.6
No symbol table info available.
#2 0xb3c4968b in g_poll () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#3 0xb3c3968f in g_main_context_iterate () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#4 0xb3c39a04 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
No symbol table info available.
#5 0xb615aeb7 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /usr/lib/libQtCore.so.4
No symbol table info available.
#6 0xb612f119 in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQtCore.so.4
No symbol table info available.
#7 0xb612f38a in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/libQtCore.so.4
No symbol table info available.
#8 0xb603b88d in QThread::exec() () from /usr/lib/libQtCore.so.4
No symbol table info available.
#9 0xb7558d5b in WorkerThread::run() () from
/usr/lib/libmythupnp-0.23.1.so.0
No symbol table info available.
#10 0xb603e32e in ?? () from /usr/lib/libQtCore.so.4
No symbol table info available.
#11 0xb6df1e60 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#12 0xb5e5b20e in clone () from /lib/libc.so.6
No symbol table info available.
Thread 1 (Thread 0xb1eaa720 (LWP 4934)):
#0 0xb4ede6ea in ?? () from /usr/lib/libGL.so.1
No symbol table info available.
Cannot access memory at address 0x34c
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