Reading symbols from /usr/lib/virtualbox/VirtualBox...Reading symbols from /usr/lib/debug/.build-id/f6/f7ed842e67a8de676b6cbb46612e8790650a0c.debug...done. done. [New LWP 11241] [New LWP 11193] [New LWP 11203] [New LWP 11201] [New LWP 11205] [New LWP 11208] [New LWP 11204] [New LWP 11206] [New LWP 11229] [New LWP 11209] [New LWP 11233] [New LWP 11207] [New LWP 11213] [New LWP 11234] [New LWP 11227] [New LWP 11216] [New LWP 11243] [New LWP 11228] [New LWP 11230] [New LWP 11225] [New LWP 11237] [New LWP 11238] [New LWP 11236] [New LWP 11240] [New LWP 11202] [New LWP 11224] [New LWP 11231] [New LWP 11235] [New LWP 11239] [New LWP 11242] [New LWP 11244] [New LWP 11232] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". Core was generated by `/usr/lib/virtualbox/VirtualBox --startvm IE8 - Win7'. Program terminated with signal SIGSEGV, Segmentation fault. #0 pa_threaded_mainloop_signal (m=0x191, wait_for_accept=0) at pulse/thread-mainloop.c:196 [Current thread is 1 (Thread 0x7fee47fff700 (LWP 11241))] #0 0x00007fee5d87ebde in pa_threaded_mainloop_signal (m=0x191, wait_for_accept=0) at pulse/thread-mainloop.c:196 #1 0x00007fee5d875a95 in pa_stream_simple_ack_callback (pd=pd@entry=0x7fee400017f0, command=command@entry=2, tag=tag@entry=8988, t=t@entry=0x7fee400028d0, userdata=userdata@entry=0x7fee4000ddd0) at pulse/stream.c:2258 #2 0x00007fee5d606621 in run_action (pd=0x7fee400017f0, r=0x7fee4000aac0, command=2, ts=0x7fee400028d0) at pulsecore/pdispatch.c:288 #3 0x00007fee5d60699b in pa_pdispatch_run (pd=0x7fee400017f0, packet=packet@entry=0x7fee4000a4b0, ancil_data=ancil_data@entry=0x7fee40000e58, userdata=userdata@entry=0x7fee7463d020) at pulsecore/pdispatch.c:341 #4 0x00007fee5d85b36e in pstream_packet_callback (p=, packet=0x7fee4000a4b0, ancil_data=0x7fee40000e58, userdata=0x7fee7463d020) at pulse/context.c:349 #5 0x00007fee5d6095ef in do_read (p=p@entry=0x7fee40000bc0, re=re@entry=0x7fee40000d88) at pulsecore/pstream.c:1012 #6 0x00007fee5d60c0ab in do_pstream_read_write (p=0x7fee40000bc0) at pulsecore/pstream.c:248 #7 0x00007fee5d60c449 in srb_callback (srb=, userdata=0x7fee40000bc0) at pulsecore/pstream.c:287 #8 0x00007fee5d60cccf in srbchannel_rwloop (sr=0x7fee4000bbe0) at pulsecore/srbchannel.c:190 #9 0x00007fee5d870338 in dispatch_pollfds (m=0x7fee7463ce70) at pulse/mainloop.c:655 #10 0x00007fee5d870338 in pa_mainloop_dispatch (m=m@entry=0x7fee7463ce70) at pulse/mainloop.c:898 #11 0x00007fee5d87070e in pa_mainloop_iterate (m=0x7fee7463ce70, block=, retval=0x0) at pulse/mainloop.c:929 #12 0x00007fee5d870790 in pa_mainloop_run (m=0x7fee7463ce70, retval=retval@entry=0x0) at pulse/mainloop.c:944 #13 0x00007fee5d87e5f9 in thread (userdata=0x7fee7463ce30) at pulse/thread-mainloop.c:100 #14 0x00007fee5d61cc58 in internal_thread_func (userdata=0x7fee7463f640) at pulsecore/thread-posix.c:81 #15 0x00007feed5a2651a in start_thread (arg=0x7fee47fff700) at pthread_create.c:465 #16 0x00007feed555a3ef in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 (gdb) quit