.
Thread 5 (process 3997):
#0  0x00007f76184352e9 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/libpthread.so.0
#1  0x00007f761ba51939 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#2  0x00007f76011aed4e in ?? () from /usr/lib/kde4/plasma_wallpaper_image.so
#3  0x00007f761ba50952 in ?? () from /usr/lib/libQtCore.so.4
#4  0x00007f76184313ba in start_thread () from /lib/libpthread.so.0
#5  0x00007f761afadfcd in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#6  0x0000000000000000 in ?? ()
.
Thread 4 (process 3995):
#0  0x00007f76184352e9 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/libpthread.so.0
#1  0x00007f761ba51939 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#2  0x00007f761f20c4cc in ?? () from /usr/lib/libQtNetwork.so.4
#3  0x00007f761ba50952 in ?? () from /usr/lib/libQtCore.so.4
#4  0x00007f76184313ba in start_thread () from /lib/libpthread.so.0
#5  0x00007f761afadfcd in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#6  0x0000000000000000 in ?? ()
.
Thread 3 (process 3993):
#0  0x00007f761afa6742 in select () from /lib/libc.so.6
#1  0x00007f761bb17f06 in ?? () from /usr/lib/libQtCore.so.4
#2  0x00007f761ba50952 in ?? () from /usr/lib/libQtCore.so.4
#3  0x00007f76184313ba in start_thread () from /lib/libpthread.so.0
#4  0x00007f761afadfcd in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#5  0x0000000000000000 in ?? ()
.
Thread 2 (process 3996):
#0  0x00007f76184352e9 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/libpthread.so.0
#1  0x00007f761ba51939 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#2  0x00007f76011aed4e in ?? () from /usr/lib/kde4/plasma_wallpaper_image.so
#3  0x00007f761ba50952 in ?? () from /usr/lib/libQtCore.so.4
#4  0x00007f76184313ba in start_thread () from /lib/libpthread.so.0
#5  0x00007f761afadfcd in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#6  0x0000000000000000 in ?? ()
.
Thread 1 (process 3991):
#0  0x00007f761bbcfdfb in ?? () from /usr/lib/libQtCore.so.4