[kdenlive] kdenlive crashes in multiseat configuration

Zenny garbytrash at gmail.com
Mon Apr 13 06:33:02 UTC 2015 

Please find attached the backtrace report directly from the kdenlive app.

Any inputs appreciated to overcome this crashing problem.

Thanks in advance!

Cheers,
/zccc

On Sun, Apr 12, 2015 at 8:21 PM, Zenny <garbytrash at gmail.com> wrote:

> On 4/11/15, Steve Guilford <s.guilford at asterionmultimedia.com> wrote:
> > Unfortunately, your output is not of much help.  Can you send a
> > stack-trace?  That would be better....
>
> Please find attached the BackTrace for your perusal.
>
> >
> > Are you running as a separate and distinct user on each seat?  Are you
> > sure that each instance of Kdenlive is pointing to it's own
> > home-directory (for settings, temp files etc)?
>
> Yep, they are separated according to UID.
>
> Thanks, Steve.
>
> >
> > On 04/11/2015 06:43 AM, Zenny wrote:
> >> Hi,
> >>
> >> I am trying to run kdenlive inside a multiseat computer (two kvms
> >> meaning separate set of kb+video+mouse connected to the same computer
> >> Ref. https://wiki.ubuntu.com/MultiseatTeam/Instructions) .
> >>
> >> Kdenlive runs fine in seat0, but crahes in seat-1 and outputs error as
> >> follows (melt in command line works alright, so it does not seem a
> >> mltframework issue):
> >>
> >> USER at MACHINE:~$ kdenlive --nocrashhandler
> >> [mpegts @ 0x377ee00] max_analyze_duration 5000000 reached at 5000000
> >> microseconds
> >> [mpegts @ 0x31d7e00] max_analyze_duration 5000000 reached at 5000000
> >> microseconds
> >> [mpegts @ 0x321a180] max_analyze_duration 5000000 reached at 5000000
> >> microseconds
> >> kdenlive(14893) Render::checkMaxThreads: // TRACTOR PROBLEM
> >> Segmentation fault (core dumped)
> >>
> >> USER at MACHINE:~$ kdenlive
> >> [mpegts @ 0x318f840] max_analyze_duration 5000000 reached at 5000000
> >> microseconds
> >> [mpegts @ 0x31d1bc0] max_analyze_duration 5000000 reached at 5000000
> >> microseconds
> >> [mpegts @ 0x29aa280] max_analyze_duration 5000000 reached at 5000000
> >> microseconds
> >> kdenlive(15072) Render::checkMaxThreads: // TRACTOR PROBLEM
> >> [mpegts @ 0x7f5818006140] max_analyze_duration 5000000 reached at
> >> 5000000 microseconds
> >> [mpegts @ 0x7f58180040c0] max_analyze_duration 5000000 reached at
> >> 5000000 microseconds
> >> [mpegts @ 0x7f581800e600] max_analyze_duration 5000000 reached at
> >> 5000000 microseconds
> >> KCrash: Application 'kdenlive' crashing...
> >> kdenlive: Fatal IO error: client killed
> >> KCrash: Attempting to start /usr/lib/kde4/libexec/drkonqi from kdeinit
> >> sock_file=/home/USER/.kde/socket-MACHINE/kdeinit4__1
> >> Unable to start Dr. Konqi
> >> Not forwarding the crash to Apport.
> >>
> >> USER at MACHINE:~$ KDE_DEBUG=False kdenlive --nocrashhandler
> >> [mpegts @ 0x3eadec0] max_analyze_duration 5000000 reached at 5000000
> >> microseconds
> >> [mpegts @ 0x38ce700] max_analyze_duration 5000000 reached at 5000000
> >> microseconds
> >> [mpegts @ 0x38fe600] max_analyze_duration 5000000 reached at 5000000
> >> microseconds
> >> kdenlive(15232) Render::checkMaxThreads: // TRACTOR PROBLEM
> >> [mpegts @ 0x7f29f40077a0] max_analyze_duration 5000000 reached at
> >> 5000000 microseconds
> >> [mpegts @ 0x7f29f4005b80] max_analyze_duration 5000000 reached at
> >> 5000000 microseconds
> >> [mpegts @ 0x7f29f400f120] max_analyze_duration 5000000 reached at
> >> 5000000 microseconds
> >> Segmentation fault (core dumped)
> >>
> >> Any pointer appreciated! Thanks!
> >>
> >> Wbr,
> >> /z
> >> _______________________________________________
> >> kdenlive mailing list
> >> kdenlive at kde.org
> >> https://mail.kde.org/mailman/listinfo/kdenlive
> >
> > --
> > Steve Guilford
> > Founder/CTO
> > http://www.asterionmultimedia.com
> >
> > _______________________________________________
> > kdenlive mailing list
> > kdenlive at kde.org
> > https://mail.kde.org/mailman/listinfo/kdenlive
> >
>
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Application: Kdenlive (kdenlive), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
[Current thread is 1 (Thread 0x7fb4cea8a7c0 (LWP 6514))]

Thread 14 (Thread 0x7fb4a1d45700 (LWP 6583)):
#0  0x00007fb4c66de360 in pthread_mutex_unlock at plt () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fb4c674e9b1 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb4c670c0f0 in g_main_context_acquire () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb4c670cea5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fb4c670d0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fb4cb8c07be in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007fb4cb8920af in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007fb4cb8923a5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8  0x00007fb4cb78ec5f in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9  0x00007fb4cb873823 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#10 0x00007fb4cb79132f in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#11 0x00007fb4cb0ae182 in start_thread (arg=0x7fb4a1d45700) at pthread_create.c:312
#12 0x00007fb4c966047d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 13 (Thread 0x7fb4a0f22700 (LWP 6589)):
#0  0x00007fb4c674e61d in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007fb4c674e9a9 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb4c670c680 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb4c670cf03 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fb4c670d0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fb4cb8c07be in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007fb4cb8920af in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007fb4cb8923a5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8  0x00007fb4cb78ec5f in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#9  0x00007fb4cb873823 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#10 0x00007fb4cb79132f in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#11 0x00007fb4cb0ae182 in start_thread (arg=0x7fb4a0f22700) at pthread_create.c:312
#12 0x00007fb4c966047d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 12 (Thread 0x7fb457ffc700 (LWP 6668)):
#0  0x00007fb4cb7951ca in QByteArray::clear() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#1  0x00007fb4cb820e93 in QIODevice::readAll() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x0000000000513e0c in ProxyJob::processLogInfo (this=0x2f32840) at /build/buildd/kdenlive-0.9.10+git20150111.067e3672/src/project/jobs/proxyclipjob.cpp:187
#3  0x0000000000514a17 in ProxyJob::startJob (this=0x2f32840) at /build/buildd/kdenlive-0.9.10+git20150111.067e3672/src/project/jobs/proxyclipjob.cpp:152
#4  0x00000000005087dc in ProjectList::slotProcessJobs (this=0x1b53430) at /build/buildd/kdenlive-0.9.10+git20150111.067e3672/src/project/projectlist.cpp:3090
#5  0x00000000004a8e26 in QtConcurrent::RunFunctionTask<void>::run (this=0x2fa2c00) at /usr/include/qt4/QtCore/qtconcurrentrunbase.h:134
#6  0x00007fb4cb784fee in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#7  0x00007fb4cb79132f in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#8  0x00007fb4cb0ae182 in start_thread (arg=0x7fb457ffc700) at pthread_create.c:312
#9  0x00007fb4c966047d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 11 (Thread 0x7fb4817fa700 (LWP 6738)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fb4b4de180b in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.54
#2  0x00007fb4cb0ae182 in start_thread (arg=0x7fb4817fa700) at pthread_create.c:312
#3  0x00007fb4c966047d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 10 (Thread 0x7fb481ffb700 (LWP 6739)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fb4b4de180b in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.54
#2  0x00007fb4cb0ae182 in start_thread (arg=0x7fb481ffb700) at pthread_create.c:312
#3  0x00007fb4c966047d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 9 (Thread 0x7fb4997fd700 (LWP 6740)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fb4b4de180b in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.54
#2  0x00007fb4cb0ae182 in start_thread (arg=0x7fb4997fd700) at pthread_create.c:312
#3  0x00007fb4c966047d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 8 (Thread 0x7fb498ffc700 (LWP 6741)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fb4b4de180b in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.54
#2  0x00007fb4cb0ae182 in start_thread (arg=0x7fb498ffc700) at pthread_create.c:312
#3  0x00007fb4c966047d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 7 (Thread 0x7fb491ffe700 (LWP 6742)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fb4b4de180b in ?? () from /usr/lib/x86_64-linux-gnu/libavcodec.so.54
#2  0x00007fb4cb0ae182 in start_thread (arg=0x7fb491ffe700) at pthread_create.c:312
#3  0x00007fb4c966047d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 6 (Thread 0x7fb456058700 (LWP 6748)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
#1  0x00007fb4cb503980 in mlt_consumer_put_frame () from /usr/lib/libmlt.so.6
#2  0x00007fb4b9a27ac6 in ?? () from /usr/lib/mlt/libmltsdl.so
#3  0x00007fb4cb0ae182 in start_thread (arg=0x7fb456058700) at pthread_create.c:312
#4  0x00007fb4c966047d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 5 (Thread 0x7fb499ffe700 (LWP 6754)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fb4b9a26318 in ?? () from /usr/lib/mlt/libmltsdl.so
#2  0x00007fb4cb0ae182 in start_thread (arg=0x7fb499ffe700) at pthread_create.c:312
#3  0x00007fb4c966047d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 4 (Thread 0x7fb4917fd700 (LWP 6755)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fb4cb503ec3 in ?? () from /usr/lib/libmlt.so.6
#2  0x00007fb4cb0ae182 in start_thread (arg=0x7fb4917fd700) at pthread_create.c:312
#3  0x00007fb4c966047d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7fb490ffc700 (LWP 6756)):
#0  0x00007fb4c96531ef in __GI_ppoll (fds=0x7fb464033ec0, nfds=2, timeout=<optimized out>, sigmask=0x0) at ../sysdeps/unix/sysv/linux/ppoll.c:56
#1  0x00007fb4c44d68d7 in pa_mainloop_poll () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#2  0x00007fb4c44d6ece in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007fb4b97c2a8b in ?? () from /usr/lib/x86_64-linux-gnu/libSDL-1.2.so.0
#4  0x00007fb4b97968f0 in ?? () from /usr/lib/x86_64-linux-gnu/libSDL-1.2.so.0
#5  0x00007fb4b979ead8 in ?? () from /usr/lib/x86_64-linux-gnu/libSDL-1.2.so.0
#6  0x00007fb4b97de109 in ?? () from /usr/lib/x86_64-linux-gnu/libSDL-1.2.so.0
#7  0x00007fb4cb0ae182 in start_thread (arg=0x7fb490ffc700) at pthread_create.c:312
#8  0x00007fb4c966047d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7fb4827fd700 (LWP 6757)):
[KCrash Handler]
#5  __memcpy_sse2_unaligned () at ../sysdeps/x86_64/multiarch/memcpy-sse2-unaligned.S:79
#6  0x00007fb4b9a258cf in ?? () from /usr/lib/mlt/libmltsdl.so
#7  0x00007fb4cb0ae182 in start_thread (arg=0x7fb4827fd700) at pthread_create.c:312
#8  0x00007fb4c966047d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 1 (Thread 0x7fb4cea8a7c0 (LWP 6514)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007fb4cb791816 in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#2  0x00007fb4cb784242 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#3  0x00007fb4cb7856b5 in QThreadPool::~QThreadPool() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#4  0x00007fb4cb7856e9 in QThreadPool::~QThreadPool() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#5  0x00007fb4cb785eb5 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#6  0x00007fb4c95a2259 in __run_exit_handlers (status=1, listp=0x7fb4c99246c8 <__exit_funcs>, run_list_atexit=run_list_atexit at entry=true) at exit.c:82
#7  0x00007fb4c95a22a5 in __GI_exit (status=<optimized out>) at exit.c:104
#8  0x00007fb4cc2eb878 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#9  0x00007fb4ce5b88d0 in KApplication::xioErrhandler(_XDisplay*) () from /usr/lib/libkdeui.so.5
#10 0x00007fb4cadaf5ee in _XIOError () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#11 0x00007fb4cadacfed in _XEventsQueued () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#12 0x00007fb4cad9f0db in XEventsQueued () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#13 0x00007fb4cc32662c in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#14 0x00007fb4c670ca61 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#15 0x00007fb4c670cf7b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#16 0x00007fb4c670d0ec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#17 0x00007fb4cb8c07a1 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#18 0x00007fb4cc326bb6 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
#19 0x00007fb4cb8920af in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#20 0x00007fb4cb8923a5 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#21 0x00007fb4cb897b79 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
#22 0x0000000000456e79 in main (argc=<optimized out>, argv=0x7ffe95a44808) at /build/buildd/kdenlive-0.9.10+git20150111.067e3672/src/main.cpp:92

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