[mythtv-users] myth CVS hang

William Lott Thu, 27 Jan 2005 22:55:15 -0800

Every couple of days the mythtv backend hangs on me. I haven't been able to figure out what triggers it and the backend log doesn't give any hints. This started happening sometime Novemberish while I was still running 0.16 and has persisted past switching to CVS (Jan 1 update). If anyone can give me any suggestions, I'd be greatly appreciative. I love my mythtv box, but not being able to rely on it has become quite frustrating. And my friends who though I should just get a tivo are starting to snicker.

Appended is a backtrace, but I forgot to recompile with debug info so I don't know how useful it will be. I'm going to start a recompile as soon as I send this message, but I figured I'd send this teaser out in case it means anything to anyone.

The machine in question is an Athlon XP 2k+, ASUS A7V8X-MX SE mobo, 512M ram, two Haupguage PVR 250s, and a GeForce 4 MX. I'm running Fedora Core 1 setup using Jarod's guide and the latest stable ATrpms. I'm using the 6106 nvidia drivers.

Thank you all,

-William Lott

(gdb) thread apply all bt full

Thread 14 (Thread 25910192 (LWP 8956)):
#0  0x006acc32 in _dl_sysinfo_int80 () from /lib/ld-linux.so.2
No symbol table info available.
#1  0x00930e83 in pthread_join () from /lib/tls/libpthread.so.0
No symbol table info available.
#2  0x041014c0 in TVRec::TeardownRecorder(bool) ()
   from /usr/lib/libmythtv-0.16.so.0
No symbol table info available.
#3  0x040fe903 in TVRec::HandleStateChange() ()
   from /usr/lib/libmythtv-0.16.so.0
No symbol table info available.
#4  0x04102ca8 in TVRec::RunTV() () from /usr/lib/libmythtv-0.16.so.0
No symbol table info available.
#5  0x0410247e in TVRec::EventThread(void*) ()
   from /usr/lib/libmythtv-0.16.so.0
No symbol table info available.
#6  0x0092f7fc in start_thread () from /lib/tls/libpthread.so.0
No symbol table info available.
#7  0x0079faba in clone () from /lib/tls/libc.so.6
No symbol table info available.

Thread 13 (Thread 83180464 (LWP 8958)):
#0  0x006acc32 in _dl_sysinfo_int80 () from /lib/ld-linux.so.2
No symbol table info available.
#1  0x0076b586 in __nanosleep_nocancel () from /lib/tls/libc.so.6
No symbol table info available.
#2  0x007993fa in usleep () from /lib/tls/libc.so.6
No symbol table info available.
#3  0x041024d6 in TVRec::RunTV() () from /usr/lib/libmythtv-0.16.so.0
No symbol table info available.
#4  0x0410247e in TVRec::EventThread(void*) ()
   from /usr/lib/libmythtv-0.16.so.0
No symbol table info available.
#5  0x0092f7fc in start_thread () from /lib/tls/libpthread.so.0
No symbol table info available.
#6  0x0079faba in clone () from /lib/tls/libc.so.6
No symbol table info available.

Thread 12 (Thread 36400048 (LWP 8959)):
#0  0x006acc32 in _dl_sysinfo_int80 () from /lib/ld-linux.so.2
---Type <return> to continue, or q <return> to quit---
No symbol table info available.
#1  0x0076b586 in __nanosleep_nocancel () from /lib/tls/libc.so.6
No symbol table info available.
#2  0x007993fa in usleep () from /lib/tls/libc.so.6
No symbol table info available.
#3  0x040fdce1 in TVRec::StartRecording(ProgramInfo*) ()
   from /usr/lib/libmythtv-0.16.so.0
No symbol table info available.
#4  0x08057fbf in EncoderLink::StartRecording(ProgramInfo*) ()
No symbol table info available.
#5  0x0808bbc1 in Scheduler::RunScheduler() ()
No symbol table info available.
#6  0x0808d9df in Scheduler::SchedulerThread(void*) ()
No symbol table info available.
#7  0x0092f7fc in start_thread () from /lib/tls/libpthread.so.0
No symbol table info available.
#8  0x0079faba in clone () from /lib/tls/libc.so.6
No symbol table info available.

Thread 11 (Thread 46889904 (LWP 8960)):
#0  0x006acc32 in _dl_sysinfo_int80 () from /lib/ld-linux.so.2
No symbol table info available.
#1  0x0076b586 in __nanosleep_nocancel () from /lib/tls/libc.so.6
No symbol table info available.
#2  0x0076b3af in sleep () from /lib/tls/libc.so.6
No symbol table info available.
#3  0x08052326 in AutoExpire::RunExpirer() ()
No symbol table info available.
#4  0x0805359f in AutoExpire::ExpirerThread(void*) ()
No symbol table info available.
#5  0x0092f7fc in start_thread () from /lib/tls/libpthread.so.0
No symbol table info available.
#6  0x0079faba in clone () from /lib/tls/libc.so.6
No symbol table info available.

Thread 10 (Thread 93670320 (LWP 8961)):
#0  0x006acc32 in _dl_sysinfo_int80 () from /lib/ld-linux.so.2
No symbol table info available.
#1  0x0076b586 in __nanosleep_nocancel () from /lib/tls/libc.so.6
No symbol table info available.
#2  0x0076b3af in sleep () from /lib/tls/libc.so.6
---Type <return> to continue, or q <return> to quit---
No symbol table info available.
#3  0x08096605 in HouseKeeper::RunHouseKeeping() ()
No symbol table info available.
#4  0x08097aff in HouseKeeper::doHouseKeepingThread(void*) ()
No symbol table info available.
#5  0x0092f7fc in start_thread () from /lib/tls/libpthread.so.0
No symbol table info available.
#6  0x0079faba in clone () from /lib/tls/libc.so.6
No symbol table info available.

Thread 9 (Thread 121670576 (LWP 8962)): #0 0x006acc32 in _dl_sysinfo_int80 () from /lib/ld-linux.so.2 No symbol table info available. #1 0x0076b586 in __nanosleep_nocancel () from /lib/tls/libc.so.6 No symbol table info available. #2 0x0076b3af in sleep () from /lib/tls/libc.so.6 No symbol table info available. #3 0x040ccf00 in JobQueue::ProcessQueue() () from /usr/lib/libmythtv-0.16.so.0 No symbol table info available. #4 0x040cc15a in JobQueue::RunQueueProcesser() () from /usr/lib/libmythtv-0.16.so.0 No symbol table info available. #5 0x040cc18e in JobQueue::QueueProcesserThread(void*) () from /usr/lib/libmythtv-0.16.so.0 No symbol table info available. #6 0x0092f7fc in start_thread () from /lib/tls/libpthread.so.0 No symbol table info available. #7 0x0079faba in clone () from /lib/tls/libc.so.6 No symbol table info available.

Thread 8 (Thread 145410992 (LWP 8963)):
#0  0x006acc32 in _dl_sysinfo_int80 () from /lib/ld-linux.so.2
No symbol table info available.
#1  0x00932424 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/tls/libpthread.so.0
No symbol table info available.
#2  0x0682f408 in QWaitCondition::wait(QMutex*, unsigned long) ()
   from /usr/lib/qt-3.3/lib/libqt-mt.so.3
No symbol table info available.
#3  0x08bfd464 in ?? ()
No symbol table info available.
---Type <return> to continue, or q <return> to quit---
#4  0x00000173 in ?? ()
No symbol table info available.
#5  0x0804d0cd in ?? ()
No symbol table info available.
#6  0x0635c6c4 in ?? () from /usr/lib/qt-3.3/lib/libqt-mt.so.3
No symbol table info available.
#7  0x08bfeac8 in ?? ()
No symbol table info available.
#8  0x08bfead8 in ?? ()
No symbol table info available.
#9  0x08bfeae0 in ?? ()
No symbol table info available.
#10 0x08aaca98 in ?? ()
No symbol table info available.
#11 0x006b8470 in _dl_runtime_resolve () from /lib/ld-linux.so.2
No symbol table info available.
#12 0x08082ee5 in ProcessRequestThread::run() ()
No symbol table info available.
#13 0x06531eaa in QThreadInstance::start(void*) ()
   from /usr/lib/qt-3.3/lib/libqt-mt.so.3
No symbol table info available.

Thread 7 (Thread 1083714480 (LWP 8964)):
#0  0x006acc32 in _dl_sysinfo_int80 () from /lib/ld-linux.so.2
No symbol table info available.
#1  0x00932424 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/tls/libpthread.so.0
No symbol table info available.
#2  0x0682f408 in QWaitCondition::wait(QMutex*, unsigned long) ()
   from /usr/lib/qt-3.3/lib/libqt-mt.so.3
No symbol table info available.
#3  0x08bf367c in ?? ()
No symbol table info available.
#4  0x40982a28 in ?? ()
No symbol table info available.
#5  0x0682e0e2 in QRealMutexPrivate::lock() ()
   from /usr/lib/qt-3.3/lib/libqt-mt.so.3
No symbol table info available.
Previous frame inner to this frame (corrupt stack?)
#0  0x006acc32 in _dl_sysinfo_int80 () from /lib/ld-linux.so.2

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[mythtv-users] myth CVS hang

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