Application that crashed: rosegardensequencer
Version of the application: 1.7.3
KDE Version: 4.3.1 (KDE 4.3.1)
Qt Version: 4.5.2
Operating System: Linux 2.6.30.5-43.fc11.x86_64 x86_64
Distribution: "Fedora release 11 (Leonidas)"

What I was doing when the application crashed:
Standard startup fails. Message informs that the sequencer could not be started. After confirmation ( clicked OK) it shows the window for a while and repeats the message after this it shuts.

 -- Backtrace:
Application: RosegardenSequencer (rosegardensequencer), signal: Aborted
[Current thread is 1 (Thread 0x7f62819af820 (LWP 24960))]

Thread 2 (Thread 0x7f627b9a3910 (LWP 24962)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:261
#1  0x0000003446e093cb in mb_thread_func (arg=<value optimized out>) at messagebuffer.c:70
#2  0x00000039e7a0686a in start_thread (arg=<value optimized out>) at pthread_create.c:297
#3  0x00000039e6ede3bd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f62819af820 (LWP 24960)):
[KCrash Handler]
#5  0x00000039e6e332f5 in *__GI_raise (sig=<value optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#6  0x00000039e6e34b20 in *__GI_abort () at abort.c:88
#7  0x00000039e6e2c2fa in *__GI___assert_fail (assertion=0x3444abf561 "seq && status", file=<value optimized out>, line=3382, function=0x3444ac0130 "snd_seq_get_queue_status") at assert.c:78
#8  0x0000003444a9ee1e in snd_seq_get_queue_status (seq=0x7f62819af820, q=<value optimized out>, status=<value optimized out>) at seq.c:3382
#9  0x000000000044773c in Rosegarden::AlsaDriver::getAlsaTime (this=0x21266f0) at /usr/src/debug/rosegarden-1.7.3/src/sound/AlsaDriver.cpp:2422
#10 0x000000000044793b in Rosegarden::AlsaDriver::shutdown (this=0x21266f0) at /usr/src/debug/rosegarden-1.7.3/src/sound/AlsaDriver.cpp:148
#11 0x0000000000467d49 in Rosegarden::SoundDriverFactory::createDriver (studio=0x2121aa0) at /usr/src/debug/rosegarden-1.7.3/src/sound/SoundDriverFactory.cpp:44
#12 0x0000000000470100 in Rosegarden::RosegardenSequencerApp::RosegardenSequencerApp (this=0x2075d00, __in_chrg=<value optimized out>, __vtt_parm=<value optimized out>)
    at /usr/src/debug/rosegarden-1.7.3/src/sequencer/RosegardenSequencerApp.cpp:98
#13 0x00000000004692ad in main (argc=1, argv=<value optimized out>) at /usr/src/debug/rosegarden-1.7.3/src/sequencer/main.cpp:96

Reported using DrKonqi