[Bug 324071] [NEW] [jaunty] Digikam crashes under Gnome but not under KDE

[tzara]

Public bug reported:

On startup Digikam (and 2 days ago Amarok 2) crashes under Gnome, while
it works just fine under KDE.

$ lsb_release -rd
Description:	Ubuntu jaunty (development branch)
Release:	9.04

$ apt-cache policy digikam
digikam:
  Installed: 2:0.10.0~rc1-0ubuntu1
  Candidate: 2:0.10.0~rc1-0ubuntu1
  Version table:
 *** 2:0.10.0~rc1-0ubuntu1 0
        500 http://ftp.kfki.hu jaunty/universe Packages
        100 /var/lib/dpkg/status

I have a stack trace, (KDE states that it's probably useless):
This backtrace appears to be of no use.
This is probably because your packages are built in a way which prevents creation of proper backtraces, or the stack frame was seriously corrupted in the crash.

(no debugging symbols found)
(no debugging symbols found)
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[Thread debugging using libthread_db enabled]
[New Thread 0xb477f700 (LWP 20458)]
[New Thread 0xb19ffb90 (LWP 20476)]
[New Thread 0xb2610b90 (LWP 20475)]
[New Thread 0xb3162b90 (LWP 20459)]
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
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0xb7f7b424 in __kernel_vsyscall ()
[Current thread is 0 (LWP 20458)]

Thread 4 (Thread 0xb3162b90 (LWP 20459)):
#0  0xb7f7b424 in __kernel_vsyscall ()
#1  0xb54960e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb559827d in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb5783792 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#4  0x08292d61 in ?? ()
#5  0xb578274e in ?? () from /usr/lib/libQtCore.so.4
#6  0xb54924ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb55893fe in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 3 (Thread 0xb2610b90 (LWP 20475)):
#0  0xb7f7b424 in __kernel_vsyscall ()
#1  0xb54960e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb559827d in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb5783792 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#4  0xb7195232 in Digikam::LoadSaveThread::run () from /usr/lib/libdigikamcore.so.1
#5  0xb578274e in ?? () from /usr/lib/libQtCore.so.4
#6  0xb54924ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb55893fe in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 2 (Thread 0xb19ffb90 (LWP 20476)):
#0  0xb7f7b424 in __kernel_vsyscall ()
#1  0xb54960e5 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb559827d in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0xb5783792 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#4  0xb7195232 in Digikam::LoadSaveThread::run () from /usr/lib/libdigikamcore.so.1
#5  0xb578274e in ?? () from /usr/lib/libQtCore.so.4
#6  0xb54924ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0xb55893fe in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb477f700 (LWP 20458)):
#0  0xb7f7b424 in __kernel_vsyscall ()
#1  0xb5544746 in nanosleep () from /lib/tls/i686/cmov/libc.so.6
#2  0xb554455e in sleep () from /lib/tls/i686/cmov/libc.so.6
#3  0xb68d1c02 in ?? () from /usr/lib/libkdeui.so.5
#4  0xb68d2604 in KCrash::defaultCrashHandler () from /usr/lib/libkdeui.so.5
#5  <signal handler called>
#6  0xb58889a7 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#7  0xb7f0dfd3 in ?? () from /usr/lib/libphonon.so.4
#8  0xb7ef7216 in ?? () from /usr/lib/libphonon.so.4
#9  0xb7ef84aa in ?? () from /usr/lib/libphonon.so.4
#10 0xb7ef6b85 in ?? () from /usr/lib/libphonon.so.4
#11 0xb7f074b5 in ?? () from /usr/lib/libphonon.so.4
#12 0xb7f077a0 in Phonon::VideoPlayer::VideoPlayer () from /usr/lib/libphonon.so.4
#13 0x08285557 in ?? ()
#14 0x08235a93 in ?? ()
#15 0x0826037a in ?? ()
#16 0x08252aa3 in ?? ()
#17 0x082548bb in ?? ()
#18 0x082b62ef in ?? ()
#19 0xb54bb775 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
#20 0x0808d6b1 in _start ()
#0  0xb7f7b424 in __kernel_vsyscall ()

Some hints: Width Amarok 2 I had the same symptom but after removing
"MusicExplorer" script, it works now. The stack trace were similar. In
both cases  i saw a libphonon.so.4, libQtCore.so.4, libkdeui.so.5 but
with different addresses. -- I hope this helps.

p.s.: If I can help with some testing, let me know.

** Affects: digikam (Ubuntu)
     Importance: Undecided
         Status: New

-- 
[jaunty] Digikam crashes under Gnome but not under KDE 
https://bugs.launchpad.net/bugs/324071
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