PID: 4497 (VirtualBox) UID: 500 (panos) GID: 100 (users) Signal: 11 (SEGV) Timestamp: Mon 2017-10-30 18:36:02 EET (16h ago) Command Line: /usr/lib/virtualbox/VirtualBox --comment Windows 7 --startvm 023085e4-babd-4289-b775-e564403d622e --no-startvm-errormsgbox Executable: /usr/lib/virtualbox/VirtualBox Control Group: /user.slice/user-500.slice/session-2.scope Unit: session-2.scope Slice: user-500.slice Session: 2 Owner UID: 500 (panos) Boot ID: a124ee62ee2c4f039670fc14c1cfa2ff Machine ID: 46379777f22e4264267f50bf4a3f6eb6 Hostname: bb229 Storage: /var/lib/systemd/coredump/core.VirtualBox.500.a124ee62ee2c4f039670fc14c1cfa2ff.4497.1509381362000000.lz4 Message: Process 4497 (VirtualBox) of user 500 dumped core. Stack trace of thread 4541: #0 0x00007fefad19f09e pa_threaded_mainloop_signal (libpulse.so.0) #1 0x00007fefad195f55 pa_stream_simple_ack_callback (libpulse.so.0) #2 0x00007fefac8ecb11 run_action (libpulsecommon-10.0.so) #3 0x00007fefac8ece8b pa_pdispatch_run (libpulsecommon-10.0.so) #4 0x00007fefad17b86e pstream_packet_callback (libpulse.so.0) #5 0x00007fefac8efa3f do_read (libpulsecommon-10.0.so) #6 0x00007fefac8f24fb do_pstream_read_write (libpulsecommon-10.0.so) #7 0x00007fefac8f2899 srb_callback (libpulsecommon-10.0.so) #8 0x00007fefac8f311f srbchannel_rwloop (libpulsecommon-10.0.so) #9 0x00007fefad1907f8 pa_mainloop_dispatch (libpulse.so.0) #10 0x00007fefad190bce pa_mainloop_iterate (libpulse.so.0) #11 0x00007fefad190c50 pa_mainloop_run (libpulse.so.0) #12 0x00007fefad19eab9 thread (libpulse.so.0) #13 0x00007fefac903078 internal_thread_func (libpulsecommon-10.0.so) #14 0x00007fefd167836d start_thread (libpthread.so.0) #15 0x00007fefd11a8e1f __clone (libc.so.6) Stack trace of thread 4499: #0 0x00007fefd119cd2d poll (libc.so.6) #1 0x00007fefc3044c97 _xcb_conn_wait (libxcb.so.1) #2 0x00007fefc3046a8a xcb_wait_for_event (libxcb.so.1) #3 0x00007fefbcce9ba9 _ZN15QXcbEventReader3runEv (libQt5XcbQpa.so.5) #4 0x00007fefc1f4ec9e _ZN14QThreadPrivate5startEPv (libQt5Core.so.5) #5 0x00007fefd167836d start_thread (libpthread.so.0) #6 0x00007fefd11a8e1f __clone (libc.so.6) Stack trace of thread 4533: #0 0x00007fefd167e90b pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0) #1 0x00007fefd0d9c260 RTSemEventWait (VBoxRT.so) #2 0x00007fefa2d25410 pdmacFileAioMgrNormal (VBoxVMM.so) #3 0x00007fefd0d0933c rtThreadMain (VBoxRT.so) #4 0x00007fefd0d9986c _ZL18rtThreadNativeMainPv (VBoxRT.so) #5 0x00007fefd167836d start_thread (libpthread.so.0) #6 0x00007fefd11a8e1f __clone (libc.so.6) Stack trace of thread 4500: #0 0x00007fefd119cd2d poll (libc.so.6) #1 0x00007fefbe2ec569 g_main_context_iterate.isra.25 (libglib-2.0.so.0) #2 0x00007fefbe2ec67c g_main_context_iteration (libglib-2.0.so.0) #3 0x00007fefc2141e4f _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5) #4 0x00007fefc20f260a _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5) #5 0x00007fefc1f4a99a _ZN7QThread4execEv (libQt5Core.so.5) #6 0x00007fefb9c6ea39 _ZN22QDBusConnectionManager3runEv (libQt5DBus.so.5) #7 0x00007fefc1f4ec9e _ZN14QThreadPrivate5startEPv (libQt5Core.so.5) #8 0x00007fefd167836d start_thread (libpthread.so.0) #9 0x00007fefd11a8e1f __clone (libc.so.6) Stack trace of thread 4497: #0 0x00007fefd119cd2d poll (libc.so.6) #1 0x00007fefbe2ec569 g_main_context_iterate.isra.25 (libglib-2.0.so.0) #2 0x00007fefbe2ec67c g_main_context_iteration (libglib-2.0.so.0) #3 0x00007fefc2141e4f _ZN20QEventDispatcherGlib13processEventsE6QFlagsIN10QEventLoop17ProcessEventsFlagEE (libQt5Core.so.5) #4 0x00007fefc20f260a _ZN10QEventLoop4execE6QFlagsINS_17ProcessEventsFlagEE (libQt5Core.so.5) #5 0x00007fefc20fa27c _ZN16QCoreApplication4execEv (libQt5Core.so.5) #6 0x00007fefc35761bb TrustedMain (VirtualBox.so) #7 0x00007fefd10b888a __libc_start_main (libc.so.6) #8 0x000000000040140a n/a (/usr/lib/virtualbox/VirtualBox)