.
Thread 3 (process 27523):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb713e647 in poll () from /lib/tls/i686/cmov/libc.so.6
#2  0xb72c7593 in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x080b28b0 in ?? ()
#4  0x00000001 in ?? ()
#5  0xffffffff in ?? ()
#6  0x080b28b0 in ?? ()
#7  0x00000001 in ?? ()
#8  0xb71bc140 in ?? () from /lib/tls/i686/cmov/libc.so.6
#9  0xb71c6541 in pthread_mutex_lock ()
   from /lib/tls/i686/cmov/libpthread.so.0
#10 0xb72c7909 in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#11 0xb760e932 in ?? () from /usr/lib/libebook-1.2.so.9
#12 0x080b28a0 in ?? ()
#13 0x00000000 in ?? ()
.
Thread 2 (process 28020):
#0  0xffffe410 in __kernel_vsyscall ()
#1  0xb713e647 in poll () from /lib/tls/i686/cmov/libc.so.6
#2  0xb72c7593 in ?? () from /usr/lib/libglib-2.0.so.0
#3  0x080b2b88 in ?? ()
#4  0x00000008 in ?? ()
#5  0xffffffff in ?? ()
#6  0x080b2b88 in ?? ()
#7  0x0000000a in ?? ()
#8  0x00000000 in ?? ()
.
Thread 1 (process 26672):
#0  0xb7669fb2 in XSetClipMask () from /usr/lib/libX11.so.6
#1  0xb7769b38 in ?? () from /usr/lib/libcairo.so.2
#2  0x08067280 in ?? ()
#3  0x00265b38 in ?? ()
#4  0x00000000 in ?? ()