Bug#660248: Crashes on startup

Yuri D'Elia wavexx at thregr.org
Fri Feb 17 17:43:34 UTC 2012


Package: qtractor
Version: 0.5.3-1
Severity: important

I wanted to try qtractor, but I'm basically unable to start it on this machine.
It crashes with the attached output.

I can manage to play around (sometimes) by letting it start a temporary jack
instance, but it crashes again shortly thereafter whenever I try to actually
*do* something.

This is from a fresh startup (no existing configuration files).

On the same system MuSe works perfecly (just to point out that the audio stack
is working fine).

Yet on another box I just tried it (running x86_64, again with unstable) and it
seems to work. The only difference I can think of is a different set of
installed plugins (I didn't install any now), and a crappy audio card.

I apologize for the lack of debugging, but I didn't want to invest too much
time. What could possibly cause the crashes?

-- System Information:
Debian Release: wheezy/sid
  APT prefers unstable
  APT policy: (900, 'unstable'), (800, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 3.2.0-1-amd64 (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages qtractor depends on:
ii  jackd                             5
ii  libasound2                        1.0.25-2
ii  libc6                             2.13-26
ii  libgcc1                           1:4.6.2-14
ii  libjack-jackd2-0 [libjack-0.116]  1.9.8~dfsg.1-1
ii  liblilv-0-0                       0.5.0+dfsg0-1
ii  liblo7                            0.26~repack-7
ii  libmad0                           0.15.1b-7
ii  libogg0                           1.2.2~dfsg-1
ii  libqt4-xml                        4:4.7.4-2
ii  libqtcore4                        4:4.7.4-2
ii  libqtgui4                         4:4.7.4-2
ii  librubberband2                    1.3-1.2
ii  libsamplerate0                    0.1.8-2
ii  libsndfile1                       1.0.25-4
ii  libstdc++6                        4.6.2-14
ii  libsuil-0-0                       0.4.4+dfsg0-1
ii  libvorbis0a                       1.3.2-1.1
ii  libvorbisenc2                     1.3.2-1.1
ii  libvorbisfile3                    1.3.2-1.1
ii  libx11-6                          2:1.4.4-4
ii  zlib1g                            1:1.2.6.dfsg-1

qtractor recommends no packages.

qtractor suggests no packages.

-- no debconf information
-------------- next part --------------
Warning: no translation found for 'en_US' locale: /usr/share/qt4/translations/qt_en_US.qm
Warning: no translation found for 'en_US' locale: /usr/share/locale/qtractor_en_US.qm
qtractorPluginPath[0x7fff71ff4380]::open() paths="/home/testing/.lv2:/usr/local/lib64/lv2:/usr/lib64/lv2:/usr/local/lib/lv2:/usr/lib/lv2" typeHint=4
qtractorLv2PluginType::slv2_open()
qtractorMainForm::updateSession()
Cannot lock down 82246176 byte memory area (Cannot allocate memory)
Cannot use real-time scheduling (RR/5)(1: Operation not permitted)
JackClient::AcquireSelfRealTime error
qtractorMidiEngine::resetDrift()
qtractorMainForm::viewRefresh()
[Thread debugging using libthread_db enabled]
[New Thread 0x7f7168c85700 (LWP 3351)]
[New Thread 0x7f7169486700 (LWP 3350)]
[New Thread 0x7f7169c87700 (LWP 3349)]
[New Thread 0x7f7169d08700 (LWP 3348)]
[New Thread 0x7f716a509700 (LWP 3347)]
[New Thread 0x7f716f3fa700 (LWP 3346)]
[New Thread 0x7f716f47b700 (LWP 3345)]
0x00007f717a96ba77 in __libc_writev (fd=6, vector=<optimized out>, count=3) at ../sysdeps/unix/sysv/linux/writev.c:56
56	../sysdeps/unix/sysv/linux/writev.c: No such file or directory.
	in ../sysdeps/unix/sysv/linux/writev.c
Traceback (most recent call last):
  File "/usr/lib/debug/usr/lib/x86_64-linux-gnu/libstdc++.so.6.0.16-gdb.py", line 59, in <module>
    from libstdcxx.v6.printers import register_libstdcxx_printers
ImportError: No module named libstdcxx.v6.printers

Thread 8 (Thread 0x7f716f47b700 (LWP 3345)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f717ef12e0c in ?? () from /usr/lib/libjack.so.0
#2  0x00007f717ef0e64b in ?? () from /usr/lib/libjack.so.0
#3  0x00007f717ef11188 in ?? () from /usr/lib/libjack.so.0
#4  0x00007f717b3c3b50 in start_thread (arg=<optimized out>) at pthread_create.c:304
#5  0x00007f717a97290d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7f716f3fa700 (LWP 3346)):
#0  0x00007f717b3cbc1d in __libc_waitpid (pid=3352, stat_loc=<optimized out>, options=0) at ../sysdeps/unix/sysv/linux/waitpid.c:41
#1  0x000000000043408e in ?? ()
#2  <signal handler called>
#3  _IO_vsnprintf (string=0x44185df20 <Address 0x44185df20 out of bounds>, maxlen=<optimized out>, format=0x7f717ef23f30 "jack_sem.%d_%s_%s", args=0x7f716f3f99d0) at vsnprintf.c:118
#4  0x00007f717a8e7323 in __snprintf (s=0x7f716f3f9870 "", maxlen=18279161632, format=0xff <Address 0xff out of bounds>) at snprintf.c:35
#5  0x00007f717ef11b5c in ?? () from /usr/lib/libjack.so.0
#6  0x00007f717ef1201a in ?? () from /usr/lib/libjack.so.0
#7  0x00007f717ef12133 in ?? () from /usr/lib/libjack.so.0
#8  0x00007f717ef1478a in Jack::JackLibClient::ClientNotifyImp(int, char const*, int, int, char const*, int, int) () from /usr/lib/libjack.so.0
#9  0x00007f717eefa589 in ?? () from /usr/lib/libjack.so.0
#10 0x00007f717ef17918 in ?? () from /usr/lib/libjack.so.0
#11 0x00007f717ef11188 in ?? () from /usr/lib/libjack.so.0
#12 0x00007f717b3c3b50 in start_thread (arg=<optimized out>) at pthread_create.c:304
#13 0x00007f717a97290d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#14 0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7f716a509700 (LWP 3347)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f717b65418b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#2  0x0000000000435a16 in ?? ()
#3  0x00007f717b653cf5 in ?? () from /usr/lib/libQtCore.so.4
#4  0x00007f717b3c3b50 in start_thread (arg=<optimized out>) at pthread_create.c:304
#5  0x00007f717a97290d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7f7169d08700 (LWP 3348)):
#0  sem_timedwait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/sem_timedwait.S:106
#1  0x00007f717ef11efd in ?? () from /usr/lib/libjack.so.0
#2  0x00007f717eeff3d9 in ?? () from /usr/lib/libjack.so.0
#3  0x00007f717ef03b64 in ?? () from /usr/lib/libjack.so.0
#4  0x00007f717eefdb90 in ?? () from /usr/lib/libjack.so.0
#5  0x00007f717eefda52 in ?? () from /usr/lib/libjack.so.0
#6  0x00007f717eefda1c in ?? () from /usr/lib/libjack.so.0
#7  0x00007f717eefb9b3 in ?? () from /usr/lib/libjack.so.0
#8  0x00007f717ef11188 in ?? () from /usr/lib/libjack.so.0
#9  0x00007f717b3c3b50 in start_thread (arg=<optimized out>) at pthread_create.c:304
#10 0x00007f717a97290d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7f7169c87700 (LWP 3349)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f717b65418b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#2  0x00000000004adb7a in ?? ()
#3  0x00007f717b653cf5 in ?? () from /usr/lib/libQtCore.so.4
#4  0x00007f717b3c3b50 in start_thread (arg=<optimized out>) at pthread_create.c:304
#5  0x00007f717a97290d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f7169486700 (LWP 3350)):
#0  0x00007f717a967cc3 in *__GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=200) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00000000004dda98 in ?? ()
#2  0x00007f717b653cf5 in ?? () from /usr/lib/libQtCore.so.4
#3  0x00007f717b3c3b50 in start_thread (arg=<optimized out>) at pthread_create.c:304
#4  0x00007f717a97290d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f7168c85700 (LWP 3351)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f717b65418b in QWaitCondition::wait(QMutex*, unsigned long) () from /usr/lib/libQtCore.so.4
#2  0x00000000004ddeb4 in ?? ()
#3  0x00007f717b653cf5 in ?? () from /usr/lib/libQtCore.so.4
#4  0x00007f717b3c3b50 in start_thread (arg=<optimized out>) at pthread_create.c:304
#5  0x00007f717a97290d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f717f32c760 (LWP 3344)):
#0  0x00007f717a96ba77 in __libc_writev (fd=6, vector=<optimized out>, count=3) at ../sysdeps/unix/sysv/linux/writev.c:56
#1  0x00007f717988c185 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f717988c5ff in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f717988c684 in xcb_writev () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#4  0x00007f717c992837 in _XSend () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#5  0x00007f717c992d6b in _XReply () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#6  0x00007f717c98e4e3 in XSync () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#7  0x00007f717bca9205 in ?? () from /usr/lib/libQtGui.so.4
#8  0x00007f717bcb609b in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/libQtGui.so.4
#9  0x00007f717bcde252 in ?? () from /usr/lib/libQtGui.so.4
#10 0x00007f71791820cf in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f71791828c8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f7179182a99 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007f717b764e2f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#14 0x00007f717bcddeee in ?? () from /usr/lib/libQtGui.so.4
#15 0x00007f717b739492 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#16 0x00007f717b73968f in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#17 0x00007f717b73d837 in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#18 0x0000000000434545 in ?? ()
#19 0x00007f717a8b8ead in __libc_start_main (main=<optimized out>, argc=<optimized out>, ubp_av=<optimized out>, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff71ff5068) at libc-start.c:228
#20 0x0000000000433f29 in ?? ()
#21 0x00007fff71ff5068 in ?? ()
#22 0x000000000000001c in ?? ()
#23 0x0000000000000001 in ?? ()
#24 0x00007fff71ff5918 in ?? ()
#25 0x0000000000000000 in ?? ()


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