.
Thread 2 (process 12199):
#0  0xb7eef410 in __kernel_vsyscall ()
#1  0xb7772ec1 in __lll_mutex_unlock_wake ()
   from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb776fbf9 in _L_mutex_unlock_61 ()
   from /lib/tls/i686/cmov/libpthread.so.0
#3  0xb776f860 in __pthread_mutex_unlock_usercnt ()
   from /lib/tls/i686/cmov/libpthread.so.0
#4  0xb776fbf0 in pthread_mutex_unlock ()
   from /lib/tls/i686/cmov/libpthread.so.0
#5  0x0809b526 in ev_document_doc_mutex_unlock ()
#6  0x08068209 in ?? ()
#7  0x083cdf50 in ?? ()
#8  0x082f4db8 in ?? ()
#9  0xb68e8368 in ?? ()
#10 0x00000001 in ?? ()
#11 0x083f0ec0 in ?? ()
#12 0x083cdf50 in ?? ()
#13 0x08130210 in ?? ()
#14 0x083cdf50 in ?? ()
#15 0x08130210 in ?? ()
#16 0xb776fbe0 in ?? () from /lib/tls/i686/cmov/libpthread.so.0
#17 0xb68e8388 in ?? ()
#18 0x0806877c in ?? ()
#19 0x08130688 in ?? ()
#20 0x00000050 in ?? ()
#21 0x08130210 in ?? ()
#22 0xb776fbe0 in ?? () from /lib/tls/i686/cmov/libpthread.so.0
#23 0xb68e8388 in ?? ()
#24 0xb71f64e8 in ?? () from /usr/lib/libglib-2.0.so.0
#25 0xb68e83b8 in ?? ()
#26 0xb71ad9bf in ?? () from /usr/lib/libglib-2.0.so.0
#27 0x00000000 in ?? ()
.
Thread 1 (process 12198):
#0  0xb7707240 in poppler_page_render_selection ()
   from /usr/lib/libpoppler-glib.so.1
#1  0x0809ec60 in ?? ()
#2  0x0809de79 in ev_selection_render_selection ()
#3  0x080703a9 in ev_pixbuf_cache_get_selection_pixbuf ()
#4  0x0807ab96 in ?? ()
#5  0x0832c600 in ?? ()
#6  0x00000000 in ?? ()