[Digikam-devel] [Bug 303119] New: digiKam crashes when applying Restoration on a PNG picture

Theo Widmer theowidmer at yahoo.de
Fri Jul 6 19:04:03 BST 2012 

https://bugs.kde.org/show_bug.cgi?id=303119

            Bug ID: 303119
          Severity: crash
           Version: 2.6.0
          Priority: NOR
          Assignee: digikam-devel at kde.org
           Summary: digiKam crashes when applying Restoration on a PNG
                    picture
    Classification: Unclassified
                OS: Linux
          Reporter: theowidmer at yahoo.de
          Hardware: Debian unstable
            Status: UNCONFIRMED
         Component: general
           Product: digikam

Application: digikam (2.6.0)
KDE Platform Version: 4.8.4 (4.8.4)
Qt Version: 4.8.2
Operating System: Linux 3.2.0-3-amd64 x86_64
Distribution: Debian GNU/Linux testing/unstable

-- Information about the crash:
- What I was doing when the application crashed:
1) Open digiKam in Edit mode, select a PNG picture (1.5MPx, 2.0MiB size)
2) Enhance, Restoration, Reduce Uniform Noise -> digiKam starts to process the
picture, but crashes before finishing

- Custom settings of the application:
PNG compression ratio 9

The crash can be reproduced every time.

-- Backtrace:
Application: digiKam (digikam), signal: Aborted
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:39
[Current thread is 1 (Thread 0x7fb05e497a00 (LWP 12508))]

Thread 26 (Thread 0x7fb038a94700 (LWP 12509)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fb0587a420b in wait (time=18446744073709551615, this=0x1e07ae0) at
thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1e079d8,
time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00000000005fa903 in ?? ()
#4  0x00007fb0587a3d0b in QThreadPrivate::start (arg=0x1e07770) at
thread/qthread_unix.cpp:307
#5  0x00007fb053367b50 in start_thread (arg=<optimized out>) at
pthread_create.c:304
#6  0x00007fb057a576dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 25 (Thread 0x7fb038293700 (LWP 12510)):
#0  0x00007fb057a4ca93 in *__GI___poll (fds=<optimized out>, nfds=<optimized
out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fb050e1b4d4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb050e1b5f4 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb0588cd306 in QEventDispatcherGlib::processEvents (this=0x1ddf5e0,
flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007fb05889d92f in QEventLoop::processEvents
(this=this at entry=0x7fb038292b70, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fb05889dbb8 in QEventLoop::exec (this=0x7fb038292b70, flags=...) at
kernel/qeventloop.cpp:204
#6  0x00007fb0587a0d70 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:501
#7  0x00007fb05887e23f in QInotifyFileSystemWatcherEngine::run (this=0x1d5a6e0)
at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fb0587a3d0b in QThreadPrivate::start (arg=0x1d5a6e0) at
thread/qthread_unix.cpp:307
#9  0x00007fb053367b50 in start_thread (arg=<optimized out>) at
pthread_create.c:304
#10 0x00007fb057a576dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 24 (Thread 0x7fb037a92700 (LWP 12512)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fb0587a420b in wait (time=18446744073709551615, this=0x1df6440) at
thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x1fec8a8,
time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x00007fb05bc96f33 in ?? () from /usr/lib/libdigikamcore.so.2
#4  0x00007fb0587a3d0b in QThreadPrivate::start (arg=0x1fec890) at
thread/qthread_unix.cpp:307
#5  0x00007fb053367b50 in start_thread (arg=<optimized out>) at
pthread_create.c:304
#6  0x00007fb057a576dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 23 (Thread 0x7fb03415a700 (LWP 12517)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fb02cd32eaf in ?? () from /usr/lib/libvlccore.so.5
#2  0x00007fb053367b50 in start_thread (arg=<optimized out>) at
pthread_create.c:304
#3  0x00007fb057a576dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 22 (Thread 0x7fb023d3f700 (LWP 12520)):
#0  0x00007fb057a4ca93 in *__GI___poll (fds=<optimized out>, nfds=<optimized
out>, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
#1  0x00007fb050e1b4d4 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb050e1b5f4 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb0588cd306 in QEventDispatcherGlib::processEvents (this=0xa5e68b0,
flags=...) at kernel/qeventdispatcher_glib.cpp:426
#4  0x00007fb05889d92f in QEventLoop::processEvents
(this=this at entry=0x7fb023d3eb70, flags=...) at kernel/qeventloop.cpp:149
#5  0x00007fb05889dbb8 in QEventLoop::exec (this=0x7fb023d3eb70, flags=...) at
kernel/qeventloop.cpp:204
#6  0x00007fb0587a0d70 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:501
#7  0x00007fb05887e23f in QInotifyFileSystemWatcherEngine::run (this=0xab33640)
at io/qfilesystemwatcher_inotify.cpp:248
#8  0x00007fb0587a3d0b in QThreadPrivate::start (arg=0xab33640) at
thread/qthread_unix.cpp:307
#9  0x00007fb053367b50 in start_thread (arg=<optimized out>) at
pthread_create.c:304
#10 0x00007fb057a576dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 21 (Thread 0x7fb020b8e700 (LWP 12521)):
#0  0x00007fb057a4b70d in read () at ../sysdeps/unix/syscall-template.S:82
#1  0x00007fb050e5650f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb050e1b059 in g_main_context_check () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb050e1b472 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fb050e1b5f4 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fb0588cd306 in QEventDispatcherGlib::processEvents (this=0xab57c60,
flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007fb05889d92f in QEventLoop::processEvents
(this=this at entry=0x7fb020b8db70, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007fb05889dbb8 in QEventLoop::exec (this=0x7fb020b8db70, flags=...) at
kernel/qeventloop.cpp:204
#8  0x00007fb0587a0d70 in QThread::exec (this=<optimized out>) at
thread/qthread.cpp:501
#9  0x00007fb05887e23f in QInotifyFileSystemWatcherEngine::run (this=0xab580a0)
at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007fb0587a3d0b in QThreadPrivate::start (arg=0xab580a0) at
thread/qthread_unix.cpp:307
#11 0x00007fb053367b50 in start_thread (arg=<optimized out>) at
pthread_create.c:304
#12 0x00007fb057a576dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 20 (Thread 0x7fb0057fa700 (LWP 14365)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at
../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007fb0587a420b in wait (time=18446744073709551615, this=0x2ffe500) at
thread/qwaitcondition_unix.cpp:86
#2  QWaitCondition::wait (this=<optimized out>, mutex=0x2ffe328,
time=18446744073709551615) at thread/qwaitcondition_unix.cpp:158
#3  0x000000000071b88e in ?? ()
#4  0x00007fb0587a3d0b in QThreadPrivate::start (arg=0x2ffd870) at
thread/qthread_unix.cpp:307
#5  0x00007fb053367b50 in start_thread (arg=<optimized out>) at
pthread_create.c:304
#6  0x00007fb057a576dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 19 (Thread 0x7fb0067fc700 (LWP 14368)):
#0  0x00007fb057a4b70d in read () at ../sysdeps/unix/syscall-template.S:82
#1  0x00007fb050e5650f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fb050e1b059 in g_main_context_check () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fb050e1b472 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fb050e1b5f4 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fb0588cd306 in QEventDispatcherGlib::processEvents (this=0xc994750,
flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007fb05889d92f in QEventLoop::processEvents
(this=this at entry=0x7fb0067fbb50, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007fb05889dbb8 in QEventLoop::exec (this=0x7fb0067fbb50, flags=...) at
kernel/qeventloop.cpp:204
#8  0x00007fb05bc964bf in ?? () from /usr/lib/libdigikamcore.so.2
#9  0x00007fb0587976bd in QThreadPoolThread::run (this=0xb636f30) at
concurrent/qthreadpool.cpp:107
#10 0x00007fb0587a3d0b in QThreadPrivate::start (arg=0xb636f30) at
thread/qthread_unix.cpp:307
#11 0x00007fb053367b50 in start_thread (arg=<optimized out>) at
pthread_create.c:304
#12 0x00007fb057a576dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 18 (Thread 0x7fb01a4d3700 (LWP 14369)):
[KCrash Handler]
#6  0x00007fb0579b1475 in *__GI_raise (sig=<optimized out>) at
../nptl/sysdeps/unix/sysv/linux/raise.c:64
#7  0x00007fb0579b46f0 in *__GI_abort () at abort.c:92
#8  0x00007fb0579eb2fb in __libc_message (do_abort=<optimized out>,
fmt=<optimized out>) at ../sysdeps/unix/sysv/linux/libc_fatal.c:189
#9  0x00007fb0579f4b46 in malloc_printerr (action=3, str=0x7fb057acb988
"malloc(): memory corruption (fast)", ptr=<optimized out>) at malloc.c:6283
#10 0x00007fb0579f8428 in _int_malloc (av=0x7fb000000020, bytes=<optimized
out>) at malloc.c:4308
#11 0x00007fb0579f9960 in *__GI___libc_malloc (bytes=8) at malloc.c:3660
#12 0x00007fb0588b482a in queued_activate (argv=0x7fb01a4d2ab0, c=0xd0e4060,
signal=11, sender=0xce83890) at kernel/qobject.cpp:3419
#13 QMetaObject::activate (sender=0xce83890, m=<optimized out>,
local_signal_index=<optimized out>, argv=0x7fb01a4d2ab0) at
kernel/qobject.cpp:3507
#14 0x00007fb05bae1480 in Digikam::DImgThreadedFilter::finished(bool) () from
/usr/lib/libdigikamcore.so.2
#15 0x00007fb05bae1fc0 in Digikam::DImgThreadedFilter::startFilterDirectly() ()
from /usr/lib/libdigikamcore.so.2
#16 0x00007fb05bae215f in Digikam::DImgThreadedFilter::run() () from
/usr/lib/libdigikamcore.so.2
#17 0x00007fb05bc99134 in Digikam::DynamicThread::DynamicThreadPriv::run() ()
from /usr/lib/libdigikamcore.so.2
#18 0x00007fb0587976bd in QThreadPoolThread::run (this=0xa46db10) at
concurrent/qthreadpool.cpp:107
#19 0x00007fb0587a3d0b in QThreadPrivate::start (arg=0xa46db10) at
thread/qthread_unix.cpp:307
#20 0x00007fb053367b50 in start_thread (arg=<optimized out>) at
pthread_create.c:304
#21 0x00007fb057a576dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#22 0x0000000000000000 in ?? ()

Thread 17 (Thread 0x7fb018dbe700 (LWP 14370)):
#0  0x00007fb053cf47e6 in ?? () from /usr/lib/x86_64-linux-gnu/libgomp.so.1
#1  0x00007fb053cf307e in ?? () from /usr/lib/x86_64-linux-gnu/libgomp.so.1
#2  0x00007fb053367b50 in start_thread (arg=<optimized out>) at
pthread_create.c:304
#3  0x00007fb057a576dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 16 (Thread 0x7fb01bdb5700 (LWP 14371)):
#0  0x00007fb053cf47e6 in ?? () from /usr/lib/x86_64-linux-gnu/libgomp.so.1
#1  0x00007fb053cf307e in ?? () from /usr/lib/x86_64-linux-gnu/libgomp.so.1
#2  0x00007fb053367b50 in start_thread (arg=<optimized out>) at
pthread_create.c:304
#3  0x00007fb057a576dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 15 (Thread 0x7fb01acd4700 (LWP 14372)):
#0  0x00007fb053cf47e6 in ?? () from /usr/lib/x86_64-linux-gnu/libgomp.so.1
#1  0x00007fb053cf307e in ?? () from /usr/lib/x86_64-linux-gnu/libgomp.so.1
#2  0x00007fb053367b50 in start_thread (arg=<optimized out>) at
pthread_create.c:304
#3  0x00007fb057a576dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 14 (Thread 0x7fb013fff700 (LWP 14373)):
#0  0x00007fb053cf47e6 in ?? () from /usr/lib/x86_64-linux-gnu/libgomp.so.1
#1  0x00007fb053cf307e in ?? () from /usr/lib/x86_64-linux-gnu/libgomp.so.1
#2  0x00007fb053367b50 in start_thread (arg=<optimized out>) at
pthread_create.c:304
#3  0x00007fb057a576dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 13 (Thread 0x7fb0137fe700 (LWP 14374)):
#0  0x00007fb053cf47e6 in ?? () from /usr/lib/x86_64-linux-gnu/libgomp.so.1
#1  0x00007fb053cf307e in ?? () from /usr/lib/x86_64-linux-gnu/libgomp.so.1
#2  0x00007fb053367b50 in start_thread (arg=<optimized out>) at
pthread_create.c:304
#3  0x00007fb057a576dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 12 (Thread 0x7fb012733700 (LWP 14375)):
#0  0x00007fb053cf47e6 in ?? () from /usr/lib/x86_64-linux-gnu/libgomp.so.1
#1  0x00007fb053cf307e in ?? () from /usr/lib/x86_64-linux-gnu/libgomp.so.1
#2  0x00007fb053367b50 in start_thread (arg=<optimized out>) at
pthread_create.c:304
#3  0x00007fb057a576dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 11 (Thread 0x7fb011f32700 (LWP 14376)):
#0  0x00007fb053cf47e6 in ?? () from /usr/lib/x86_64-linux-gnu/libgomp.so.1
#1  0x00007fb053cf307e in ?? () from /usr/lib/x86_64-linux-gnu/libgomp.so.1
#2  0x00007fb053367b50 in start_thread (arg=<optimized out>) at
pthread_create.c:304
#3  0x00007fb057a576dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 10 (Thread 0x7fb010f30700 (LWP 14378)):
#0  __lll_lock_wait_private () at
../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:97
#1  0x00007fb0579fb488 in _L_lock_9627 () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007fb0579f9871 in *__GI___libc_free (mem=0x7fb000000020) at
malloc.c:3736
#3  0x00007fb053cf2ef4 in ?? () from /usr/lib/x86_64-linux-gnu/libgomp.so.1
#4  0x00007fb053367139 in __nptl_deallocate_tsd () at pthread_create.c:155
#5  0x00007fb053367b5e in start_thread (arg=<optimized out>) at
pthread_create.c:311
#6  0x00007fb057a576dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#7  0x0000000000000000 in ?? ()

Thread 9 (Thread 0x7fb007fff700 (LWP 14379)):
#0  __lll_lock_wait_private () at
../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:97
#1  0x00007fb0579fb488 in _L_lock_9627 () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007fb0579f9871 in *__GI___libc_free (mem=0x7fb000000020) at
malloc.c:3736
#3  0x00007fb050e18a67 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fb0588cd5e1 in QEventDispatcherGlib::~QEventDispatcherGlib
(this=0xc4f1b10, __in_chrg=<optimized out>) at
kernel/qeventdispatcher_glib.cpp:375
#5  0x00007fb0588cd749 in QEventDispatcherGlib::~QEventDispatcherGlib
(this=0xc4f1b10, __in_chrg=<optimized out>) at
kernel/qeventdispatcher_glib.cpp:403
#6  0x00007fb0587a2e21 in QThreadPrivate::finish (arg=arg at entry=0xa6e36f0) at
thread/qthread_unix.cpp:339
#7  0x00007fb0587a3d13 in ~__pthread_cleanup_class (this=<synthetic pointer>,
__in_chrg=<optimized out>) at /usr/include/pthread.h:545
#8  QThreadPrivate::start (arg=0xa6e36f0) at thread/qthread_unix.cpp:309
#9  0x00007fb053367b50 in start_thread (arg=<optimized out>) at
pthread_create.c:304
#10 0x00007fb057a576dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#11 0x0000000000000000 in ?? ()

Thread 8 (Thread 0x7faffe7fc700 (LWP 14387)):
#0  0x00007fb053cf47e6 in ?? () from /usr/lib/x86_64-linux-gnu/libgomp.so.1
#1  0x00007fb053cf307e in ?? () from /usr/lib/x86_64-linux-gnu/libgomp.so.1
#2  0x00007fb053367b50 in start_thread (arg=<optimized out>) at
pthread_create.c:304
#3  0x00007fb057a576dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 7 (Thread 0x7faffdffb700 (LWP 14388)):
#0  0x00007fb053cf47e6 in ?? () from /usr/lib/x86_64-linux-gnu/libgomp.so.1
#1  0x00007fb053cf307e in ?? () from /usr/lib/x86_64-linux-gnu/libgomp.so.1
#2  0x00007fb053367b50 in start_thread (arg=<optimized out>) at
pthread_create.c:304
#3  0x00007fb057a576dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 6 (Thread 0x7faffd7fa700 (LWP 14389)):
#0  0x00007fb053cf47e6 in ?? () from /usr/lib/x86_64-linux-gnu/libgomp.so.1
#1  0x00007fb053cf307e in ?? () from /usr/lib/x86_64-linux-gnu/libgomp.so.1
#2  0x00007fb053367b50 in start_thread (arg=<optimized out>) at
pthread_create.c:304
#3  0x00007fb057a576dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 5 (Thread 0x7faffcff9700 (LWP 14390)):
#0  0x00007fb053cf47e6 in ?? () from /usr/lib/x86_64-linux-gnu/libgomp.so.1
#1  0x00007fb053cf307e in ?? () from /usr/lib/x86_64-linux-gnu/libgomp.so.1
#2  0x00007fb053367b50 in start_thread (arg=<optimized out>) at
pthread_create.c:304
#3  0x00007fb057a576dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 4 (Thread 0x7faffc7f8700 (LWP 14391)):
#0  0x00007fb053cf47e6 in ?? () from /usr/lib/x86_64-linux-gnu/libgomp.so.1
#1  0x00007fb053cf307e in ?? () from /usr/lib/x86_64-linux-gnu/libgomp.so.1
#2  0x00007fb053367b50 in start_thread (arg=<optimized out>) at
pthread_create.c:304
#3  0x00007fb057a576dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7faffbff7700 (LWP 14392)):
#0  0x00007fb053cf47e6 in ?? () from /usr/lib/x86_64-linux-gnu/libgomp.so.1
#1  0x00007fb053cf307e in ?? () from /usr/lib/x86_64-linux-gnu/libgomp.so.1
#2  0x00007fb053367b50 in start_thread (arg=<optimized out>) at
pthread_create.c:304
#3  0x00007fb057a576dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7faffb7f6700 (LWP 14393)):
#0  0x00007fb053cf47e6 in ?? () from /usr/lib/x86_64-linux-gnu/libgomp.so.1
#1  0x00007fb053cf307e in ?? () from /usr/lib/x86_64-linux-gnu/libgomp.so.1
#2  0x00007fb053367b50 in start_thread (arg=<optimized out>) at
pthread_create.c:304
#3  0x00007fb057a576dd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#4  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fb05e497a00 (LWP 12508)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:39
#1  0x00007fb0587a27f4 in _q_futex (timeout=0x0, val=2, op=0, addr=0x1c21b70,
addr2=<optimized out>, val2=<optimized out>) at thread/qmutex_unix.cpp:99
#2  QMutexPrivate::wait (this=0x1c21b70, timeout=<optimized out>) at
thread/qmutex_unix.cpp:113
#3  0x00007fb05879ea05 in QMutex::lockInternal (this=<optimized out>) at
thread/qmutex.cpp:450
#4  0x00007fb0588b53e0 in relock (mtx2=0x1cb4280, mtx1=0x1dd5010) at
../../include/QtCore/private/../../../src/corelib/thread/qorderedmutexlocker_p.h:108
#5  relock (mtx2=0x1cb4280, mtx1=0x1dd5010) at kernel/qobject.cpp:817
#6  QObject::~QObject (this=0xb91cd30, __in_chrg=<optimized out>) at
kernel/qobject.cpp:881
#7  0x00007fb05a125e89 in OrgKdeKNotifyInterface::~OrgKdeKNotifyInterface
(this=0xb91cd30, __in_chrg=<optimized out>) at knotify_interface.cpp:25
#8  0x00007fb05a00c361 in KNotificationManager::~KNotificationManager
(this=0xcc71e80, __in_chrg=<optimized out>) at
../../kdeui/notifications/knotificationmanager.cpp:73
#9  0x00007fb05a00c3b9 in KNotificationManager::~KNotificationManager
(this=0xcc71e80, __in_chrg=<optimized out>) at
../../kdeui/notifications/knotificationmanager.cpp:75
#10 0x00007fb0579b5df2 in __run_exit_handlers (status=1, listp=0x7fb057d004c8,
run_list_atexit=true) at exit.c:78
#11 0x00007fb0579b5e45 in *__GI_exit (status=29498224) at exit.c:100
#12 0x00007fb059319148 in qt_xio_errhandler () at
kernel/qapplication_x11.cpp:770
#13 0x00007fb059fe1688 in KApplication::xioErrhandler (this=0x7ffff4cd9650,
dpy=0x1bbd530) at ../../kdeui/kernel/kapplication.cpp:419
#14 0x00007fb055f9060e in _XIOError () from
/usr/lib/x86_64-linux-gnu/libX11.so.6
#15 0x00007fb055f8e0ad in _XEventsQueued () from
/usr/lib/x86_64-linux-gnu/libX11.so.6
#16 0x00007fb055f7f6af in XEventsQueued () from
/usr/lib/x86_64-linux-gnu/libX11.so.6
#17 0x00007fb0593507cc in x11EventSourceCheck (s=0x1b811f0) at
kernel/qguieventdispatcher_glib.cpp:85
#18 0x00007fb050e1afeb in g_main_context_check () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007fb050e1b472 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007fb050e1b5f4 in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007fb0588cd2e6 in QEventDispatcherGlib::processEvents (this=0x1b7e830,
flags=...) at kernel/qeventdispatcher_glib.cpp:424
#22 0x00007fb05935096e in QGuiEventDispatcherGlib::processEvents
(this=<optimized out>, flags=...) at kernel/qguieventdispatcher_glib.cpp:204
#23 0x00007fb05889d92f in QEventLoop::processEvents
(this=this at entry=0x7ffff4cd94d0, flags=...) at kernel/qeventloop.cpp:149
#24 0x00007fb05889dbb8 in QEventLoop::exec (this=0x7ffff4cd94d0, flags=...) at
kernel/qeventloop.cpp:204
#25 0x00007fb0588a2d78 in QCoreApplication::exec () at
kernel/qcoreapplication.cpp:1187
#26 0x00000000006d955f in ?? ()
#27 0x00007fb05799dead 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=0x7ffff4cd9d38) at
libc-start.c:228
#28 0x0000000000499ca9 in _start ()

Reported using DrKonqi

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