. Thread 13 (process 14896): #0 0x00007f80bf8ecdf2 in select () from /lib/libc.so.6 #1 0x00007f80c1af1b6f in QEventLoop::processEvents () from /usr/lib/libqt-mt.so.3 #2 0x00007f80c1b665c3 in QEventLoop::enterLoop () from /usr/lib/libqt-mt.so.3 #3 0x00007f80c1b662af in QEventLoop::exec () from /usr/lib/libqt-mt.so.3 #4 0x00007f80c1b4de00 in QApplication::exec () from /usr/lib/libqt-mt.so.3 #5 0x00000000004d63ef in ?? () #6 0x00007f80bf83a1c4 in __libc_start_main () from /lib/libc.so.6 #7 0x000000000042e6e9 in ?? () #8 0x00007fffca80a198 in ?? () #9 0x0000000000000000 in ?? () . Thread 12 (process 14898): #0 0x00007f80bf8eacc6 in poll () from /lib/libc.so.6 #1 0x00007f80c066299d in PR_Poll () from /usr/lib/usernamertualbox/VBoxXPCOM.so #2 0x00007f80bb42ed46 in ?? () from /usr/lib/usernamertualbox//components/VBoxXPCOMIPCC.so #3 0x00007f80c065ff5e in ?? () from /usr/lib/usernamertualbox/VBoxXPCOM.so #4 0x00007f80c08d83f7 in start_thread () from /lib/libpthread.so.0 #5 0x00007f80bf8f3b7d in clone () from /lib/libc.so.6 #6 0x0000000000000000 in ?? () . Thread 11 (process 14899): #0 0x00007f80c08dcb99 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #1 0x00007f80c0660fe3 in PR_WaitCondVar () from /usr/lib/usernamertualbox/VBoxXPCOM.so #2 0x00007f80c06610b7 in PR_Wait () from /usr/lib/usernamertualbox/VBoxXPCOM.so #3 0x00007f80bb42d24a in ?? () from /usr/lib/usernamertualbox//components/VBoxXPCOMIPCC.so #4 0x00007f80c064cd9d in ?? () from /usr/lib/usernamertualbox/VBoxXPCOM.so #5 0x00007f80c065ff5e in ?? () from /usr/lib/usernamertualbox/VBoxXPCOM.so #6 0x00007f80c08d83f7 in start_thread () from /lib/libpthread.so.0 #7 0x00007f80bf8f3b7d in clone () from /lib/libc.so.6 #8 0x0000000000000000 in ?? () . Thread 10 (process 14900): #0 0x00007f80bf8f0769 in syscall () from /lib/libc.so.6 #1 0x00007f80c1543c2c in ?? () from /usr/lib/usernamertualbox/VBoxRT.so #2 0x00007f80c1543d38 in ?? () from /usr/lib/usernamertualbox/VBoxRT.so #3 0x00007f80ba99e8b3 in ?? () from /usr/lib/usernamertualbox//components/VBoxC.so #4 0x00007f80ba99e9c3 in ?? () from /usr/lib/usernamertualbox//components/VBoxC.so #5 0x00007f80ba9a12db in ?? () from /usr/lib/usernamertualbox//components/VBoxC.so #6 0x00007f80ba99ef59 in ?? () from /usr/lib/usernamertualbox//components/VBoxC.so #7 0x00007f80c1538584 in ?? () from /usr/lib/usernamertualbox/VBoxRT.so #8 0x00007f80c15418f2 in ?? () from /usr/lib/usernamertualbox/VBoxRT.so #9 0x00007f80c08d83f7 in start_thread () from /lib/libpthread.so.0 #10 0x00007f80bf8f3b7d in clone () from /lib/libc.so.6 #11 0x0000000000000000 in ?? () . Thread 9 (process 14903): #0 0x00007f80bf8f0769 in syscall () from /lib/libc.so.6 #1 0x00007f80c1543c2c in ?? () from /usr/lib/usernamertualbox/VBoxRT.so #2 0x00007f80c1543d38 in ?? () from /usr/lib/usernamertualbox/VBoxRT.so #3 0x00007f80ba99e8b3 in ?? () from /usr/lib/usernamertualbox//components/VBoxC.so #4 0x00007f80ba99e9c3 in ?? () from /usr/lib/usernamertualbox//components/VBoxC.so #5 0x00007f80ba9a1014 in ?? () from /usr/lib/usernamertualbox//components/VBoxC.so #6 0x00007f80ba99ef59 in ?? () from /usr/lib/usernamertualbox//components/VBoxC.so #7 0x00007f80c1538584 in ?? () from /usr/lib/usernamertualbox/VBoxRT.so #8 0x00007f80c15418f2 in ?? () from /usr/lib/usernamertualbox/VBoxRT.so #9 0x00007f80c08d83f7 in start_thread () from /lib/libpthread.so.0 #10 0x00007f80bf8f3b7d in clone () from /lib/libc.so.6 #11 0x0000000000000000 in ?? () . Thread 8 (process 14904): #0 0x00007f80bf8eacc6 in poll () from /lib/libc.so.6 #1 0x00007f80beb84b32 in _XtWaitForSomething () from /usr/lib/libXt.so.6 #2 0x00007f80beb85e73 in XtAppNextEvent () from /usr/lib/libXt.so.6 #3 0x00007f80beb78e8d in XtAppMainLoop () from /usr/lib/libXt.so.6 #4 0x00007f80b9db77fc in ?? () from /usr/lib/usernamertualbox/VBoxSharedClipboard.so #5 0x00007f80c1538584 in ?? () from /usr/lib/usernamertualbox/VBoxRT.so #6 0x00007f80c15418f2 in ?? () from /usr/lib/usernamertualbox/VBoxRT.so #7 0x00007f80c08d83f7 in start_thread () from /lib/libpthread.so.0 #8 0x00007f80bf8f3b7d in clone () from /lib/libc.so.6 #9 0x0000000000000000 in ?? () . Thread 7 (process 14905): #0 0x00007f80bf8f0769 in syscall () from /lib/libc.so.6 #1 0x00007f80c1543c2c in ?? () from /usr/lib/usernamertualbox/VBoxRT.so #2 0x00007f80c15440e3 in RTSemEventSignal () from /usr/lib/usernamertualbox/VBoxRT.so #3 0x00007f80c108ec9c in TMVirtualGetEx () from /usr/lib/usernamertualbox/VBoxVMM.so #4 0x00007f80c105c877 in ?? () from /usr/lib/usernamertualbox/VBoxVMM.so #5 0x00007f80c15423ba in ?? () from /usr/lib/usernamertualbox/VBoxRT.so #6 0x00007f80c1538584 in ?? () from /usr/lib/usernamertualbox/VBoxRT.so #7 0x00007f80c15418f2 in ?? () from /usr/lib/usernamertualbox/VBoxRT.so #8 0x00007f80c08d83f7 in start_thread () from /lib/libpthread.so.0 #9 0x00007f80bf8f3b7d in clone () from /lib/libc.so.6 #10 0x0000000000000000 in ?? () . Thread 6 (process 14906): #0 0x00007f80bf8f0769 in syscall () from /lib/libc.so.6 #1 0x00007f80c1543c2c in ?? () from /usr/lib/usernamertualbox/VBoxRT.so #2 0x00007f80c1543d38 in ?? () from /usr/lib/usernamertualbox/VBoxRT.so #3 0x00007f80ba99e8b3 in ?? () from /usr/lib/usernamertualbox//components/VBoxC.so #4 0x00007f80ba99e9c3 in ?? () from /usr/lib/usernamertualbox//components/VBoxC.so #5 0x00007f80ba9a1014 in ?? () from /usr/lib/usernamertualbox//components/VBoxC.so #6 0x00007f80ba99ef59 in ?? () from /usr/lib/usernamertualbox//components/VBoxC.so #7 0x00007f80c1538584 in ?? () from /usr/lib/usernamertualbox/VBoxRT.so #8 0x00007f80c15418f2 in ?? () from /usr/lib/usernamertualbox/VBoxRT.so #9 0x00007f80c08d83f7 in start_thread () from /lib/libpthread.so.0 #10 0x00007f80bf8f3b7d in clone () from /lib/libc.so.6 #11 0x0000000000000000 in ?? () . Thread 5 (process 14907): #0 0x00007f80bf8f0769 in syscall () from /lib/libc.so.6 #1 0x00007f80c1543c2c in ?? () from /usr/lib/usernamertualbox/VBoxRT.so #2 0x00007f80c1543f40 in ?? () from /usr/lib/usernamertualbox/VBoxRT.so #3 0x00007f80b9311eec in ?? () from /usr/lib/usernamertualbox/VBoxDD.so #4 0x00007f80c1538584 in ?? () from /usr/lib/usernamertualbox/VBoxRT.so #5 0x00007f80c15418f2 in ?? () from /usr/lib/usernamertualbox/VBoxRT.so #6 0x00007f80c08d83f7 in start_thread () from /lib/libpthread.so.0 #7 0x00007f80bf8f3b7d in clone () from /lib/libc.so.6 #8 0x0000000000000000 in ?? () . Thread 4 (process 14908): #0 0x00007f80bf8f0769 in syscall () from /lib/libc.so.6 #1 0x00007f80c1543c2c in ?? () from /usr/lib/usernamertualbox/VBoxRT.so #2 0x00007f80c1543f40 in ?? () from /usr/lib/usernamertualbox/VBoxRT.so #3 0x00007f80b9311eec in ?? () from /usr/lib/usernamertualbox/VBoxDD.so #4 0x00007f80c1538584 in ?? () from /usr/lib/usernamertualbox/VBoxRT.so #5 0x00007f80c15418f2 in ?? () from /usr/lib/usernamertualbox/VBoxRT.so #6 0x00007f80c08d83f7 in start_thread () from /lib/libpthread.so.0 #7 0x00007f80bf8f3b7d in clone () from /lib/libc.so.6 #8 0x0000000000000000 in ?? () . Thread 3 (process 14909): #0 0x00007f80bf8f0769 in syscall () from /lib/libc.so.6 #1 0x00007f80c1543c2c in ?? () from /usr/lib/usernamertualbox/VBoxRT.so #2 0x00007f80c1543f40 in ?? () from /usr/lib/usernamertualbox/VBoxRT.so #3 0x00007f80b9327302 in ?? () from /usr/lib/usernamertualbox/VBoxDD.so #4 0x00007f80c1538584 in ?? () from /usr/lib/usernamertualbox/VBoxRT.so #5 0x00007f80c15418f2 in ?? () from /usr/lib/usernamertualbox/VBoxRT.so #6 0x00007f80c08d83f7 in start_thread () from /lib/libpthread.so.0 #7 0x00007f80bf8f3b7d in clone () from /lib/libc.so.6 #8 0x0000000000000000 in ?? () . Thread 2 (process 14910): #0 0x00007f80bf8f0769 in syscall () from /lib/libc.so.6 #1 0x00007f80c1543c2c in ?? () from /usr/lib/usernamertualbox/VBoxRT.so #2 0x00007f80c1543f40 in ?? () from /usr/lib/usernamertualbox/VBoxRT.so #3 0x00007f80b930158d in ?? () from /usr/lib/usernamertualbox/VBoxDD.so #4 0x00007f80c1095f2a in ?? () from /usr/lib/usernamertualbox/VBoxVMM.so #5 0x00007f80c1538584 in ?? () from /usr/lib/usernamertualbox/VBoxRT.so #6 0x00007f80c15418f2 in ?? () from /usr/lib/usernamertualbox/VBoxRT.so #7 0x00007f80c08d83f7 in start_thread () from /lib/libpthread.so.0 #8 0x00007f80bf8f3b7d in clone () from /lib/libc.so.6 #9 0x0000000000000000 in ?? () . Thread 1 (process 14902): #0 0x00007f80c1544172 in RTSemEventSignal () from /usr/lib/usernamertualbox/VBoxRT.so #1 0x00007f80c108ec9c in TMVirtualGetEx () from /usr/lib/usernamertualbox/VBoxVMM.so #2 0x00007f80c10900e7 in TMTimerSetMillies () from /usr/lib/usernamertualbox/VBoxVMM.so #3 0x00007f80c105600e in ?? () from /usr/lib/usernamertualbox/VBoxVMM.so #4 0x00007f80c1055e92 in VMR3WaitHalted () from /usr/lib/usernamertualbox/VBoxVMM.so #5 0x00007f80c10784b8 in EMR3ExecuteVM () from /usr/lib/usernamertualbox/VBoxVMM.so #6 0x00007f80c1055ad2 in ?? () from /usr/lib/usernamertualbox/VBoxVMM.so #7 0x00007f80c1538584 in ?? () from /usr/lib/usernamertualbox/VBoxRT.so #8 0x00007f80c15418f2 in ?? () from /usr/lib/usernamertualbox/VBoxRT.so #9 0x00007f80c08d83f7 in start_thread () from /lib/libpthread.so.0 #10 0x00007f80bf8f3b7d in clone () from /lib/libc.so.6 #11 0x0000000000000000 in ?? ()