# rpm -qa | grep -i virtual VirtualBox-5.2-5.2.8_121009_fedora26-1.x86_64 # dnf info VirtualBox-5.2 Last metadata expiration check: 1:32:48 ago on Sat 14 Apr 2018 12:08:03 AM PDT. Installed Packages Name : VirtualBox-5.2 Version : 5.2.8_121009_fedora26 Release : 1 Arch : x86_64 Size : 151 M Source : VirtualBox-5.2-5.2.8_121009_fedora26-1.src.rpm Repo : @System From repo : virtualbox Summary : Oracle VM VirtualBox URL : http://www.virtualbox.org/ License : GPLv2 Description : VirtualBox is a powerful PC virtualization solution allowing : you to run a wide range of PC operating systems on your Linux : system. This includes Windows, Linux, FreeBSD, DOS, OpenBSD : and others. VirtualBox comes with a broad feature set and : excellent performance, making it the premier virtualization : software solution on the market. ==== syslog Apr 14 01:28:22 horus systemd-coredump[2645]: Process 2539 (VBoxSVC) of user 1000 dumped core. Stack trace of thread 2561: #0 0x000000000052ab20 _ZNSt7__cxx1110_List_baseI10MediumLockSaIS1_EE8_M_clearEv (VBoxSVC) #1 0x000000000052a3c3 _ZN14MediumLockList5ClearEv (VBoxSVC) #2 0x000000000052a491 _ZN14MediumLockListD2Ev (VBoxSVC) #3 0x000000000050954d _ZN6Medium15i_cancelMergeToEP14MediumLockListS1_ (VBoxSVC) #4 0x000000000054d45e _ZN14SessionMachine28i_cancelDeleteSnapshotMediumERK9ComObjPtrI6MediumES4_P14MediumLockListbS6_RK6ComPtrI6ITokenERKN3com4GuidESF_ (VBoxSVC) #5 0x0000000000553212 _ZN14SessionMachine23i_deleteSnapshotHandlerERNS_18DeleteSnapshotTaskE (VBoxSVC) #6 0x0000000000559315 _ZN14SessionMachine18DeleteSnapshotTask7handlerEv (VBoxSVC) #7 0x0000000000430f7a _ZN10ThreadTask21taskHandlerThreadProcEP11RTTHREADINTPv (VBoxSVC) #8 0x00007f3de29b647c rtThreadMain (VBoxRT.so) #9 0x00007f3de2a4899c _ZL18rtThreadNativeMainPv (VBoxRT.so) #10 0x00007f3de2d5050b start_thread (libpthread.so.0) #11 0x00007f3de18cf16f __clone (libc.so.6) Stack trace of thread 2539: #0 0x00007f3de18c6b23 __select (libc.so.6) #1 0x0000000000752504 _ZN3comL20waitForEventsOnXPCOMEP13nsIEventQueuej (VBoxSVC) #2 0x00000000007529fc _ZN3com16NativeEventQueue17processEventQueueEj (VBoxSVC) #3 0x0000000000411751 main (VBoxSVC) #4 0x00007f3de17faf2a __libc_start_main (libc.so.6) #5 0x0000000000411dba _start (VBoxSVC) Stack trace of thread 2544: #0 0x00007f3de2d5682d pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0) #1 0x00007f3de2a4b6d0 RTSemEventWaitNoResume (VBoxRT.so) #2 0x0000000000625ffb _ZN2pm19CollectorGuestQueue3popEv (VBoxSVC) #3 0x00000000006260a6 _ZN2pm21CollectorGuestManager23requestProcessingThreadEP11RTTHREADINTPv (VBoxSVC) #4 0x00007f3de29b647c rtThreadMain (VBoxRT.so) #5 0x00007f3de2a4899c _ZL18rtThreadNativeMainPv (VBoxRT.so) #6 0x00007f3de2d5050b start_thread (libpthread.so.0) #7 0x00007f3de18cf16f __clone (libc.so.6) Stack trace of thread 2543: #0 0x00007f3de2d5682d pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0) #1 0x00007f3de2a4b390 RTSemEventWait (VBoxRT.so) #2 0x00007f3de2a12cee _ZL15rtTimerLRThreadP11RTTHREADINTPv (VBoxRT.so) #3 0x00007f3de29b647c rtThreadMain (VBoxRT.so) #4 0x00007f3de2a4899c _ZL18rtThreadNativeMainPv (VBoxRT.so) #5 0x00007f3de2d5050b start_thread (libpthread.so.0) #6 0x00007f3de18cf16f __clone (libc.so.6) Stack trace of thread 2557: #0 0x00007f3de2d56be6 pthread_cond_timedwait@@GLIBC_2.3.2 (libpthread.so.0) #1 0x00007f3de2a4b4ce RTSemEventWait (VBoxRT.so) #2 0x000000000048657a _ZN10VirtualBox13ClientWatcher6workerEP11RTTHREADINTPv (VBoxSVC) #3 0x00007f3de29b647c rtThreadMain (VBoxRT.so) #4 0x00007f3de2a4899c _ZL18rtThreadNativeMainPv (VBoxRT.so) #5 0x00007f3de2d5050b start_thread (libpthread.so.0) #6 0x00007f3de18cf16f __clone (libc.so.6) Stack trace of thread 2558: #0 0x00007f3de2d5682d pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0) #1 0x00007f3de2a4b6d0 RTSemEventWaitNoResume (VBoxRT.so) #2 0x0000000000752ed4 _ZN3com10EventQueue17processEventQueueEj (VBoxSVC) #3 0x000000000058c25b _ZN10VirtualBox17AsyncEventHandlerEP11RTTHREADINTPv (VBoxSVC) #4 0x00007f3de29b647c rtThreadMain (VBoxRT.so) #5 0x00007f3de2a4899c _ZL18rtThreadNativeMainPv (VBoxRT.so) #6 0x00007f3de2d5050b start_thread (libpthread.so.0) #7 0x00007f3de18cf16f __clone (libc.so.6) Stack trace of thread 2546: #0 0x00007f3de18c4c6b __poll (libc.so.6) #1 0x000000000062cfb1 _ZN18hotplugInotifyImpl4WaitEj (VBoxSVC) #2 0x00000000006310d4 _ZN20USBProxyBackendLinux9waitSysfsEj (VBoxSVC) #3 0x0000000000618ea9 _ZN15USBProxyBackend13serviceThreadEP11RTTHREADINTPv (VBoxSVC) #4 0x00007f3de29b647c rtThreadMain (VBoxRT.so) #5 0x00007f3de2a4899c _ZL18rtThreadNativeMainPv (VBoxRT.so) #6 0x00007f3de2d5050b start_thread (libpthread.so.0) #7 0x00007f3de18cf16f __clone (libc.so.6) Stack trace of thread 2554: #0 0x00007f3de18c4c6b __poll (libc.so.6) #1 0x00007f3dcfa1fdef socket_do_iteration (libdbus-1.so.3) #2 0x00007f3dcfa1ea9d _dbus_transport_do_iteration (libdbus-1.so.3) #3 0x00007f3dcfa0717c _dbus_connection_do_iteration_unlocked (libdbus-1.so.3) #4 0x00007f3dcfa0962a _dbus_connection_read_write_dispatch (libdbus-1.so.3) #5 0x000000000062fcc5 _ZN21HostPowerServiceLinux29powerChangeNotificationThreadEP11RTTHREADINTPv (VBoxSVC) #6 0x00007f3de29b647c rtThreadMain (VBoxRT.so) #7 0x00007f3de2a4899c _ZL18rtThreadNativeMainPv (VBoxRT.so) #8 0x00007f3de2d5050b start_thread (libpthread.so.0) #9 0x00007f3de18cf16f __clone (libc.so.6) Stack trace of thread 2541: #0 0x00007f3de18c4c6b __poll (libc.so.6) #1 0x00007f3de2407e6f _pr_poll_with_poll (VBoxXPCOM.so) #2 0x00007f3de24098e8 VBoxNsprPR_Poll (VBoxXPCOM.so) #3 0x00007f3dd5089e27 _ZL10ConnThreadPv (VBoxXPCOMIPCC.so) #4 0x00007f3de2404a42 _pt_iprt_root (VBoxXPCOM.so) #5 0x00007f3de29b647c rtThreadMain (VBoxRT.so) #6 0x00007f3de2a4899c _ZL18rtThreadNativeMainPv (VBoxRT.so) #7 0x00007f3de2d5050b start_thread (libpthread.so.0) #8 0x00007f3de18cf16f __clone (libc.so.6) Stack trace of thread 2560: #0 0x00007f3de2d5682d pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0) #1 0x00007f3de2405dc5 VBoxNsprPR_WaitCondVar (VBoxXPCOM.so) #2 0x00007f3de2406005 VBoxNsprPR_Wait (VBoxXPCOM.so) #3 0x00007f3dd50872b9 _ZN14DConnectWorker3RunEv (VBoxXPCOMIPCC.so) #4 0x00007f3de23f3951 _ZN8nsThread4MainEPv (VBoxXPCOM.so) #5 0x00007f3de2404a42 _pt_iprt_root (VBoxXPCOM.so) #6 0x00007f3de29b647c rtThreadMain (VBoxRT.so) #7 0x00007f3de2a4899c _ZL18rtThreadNativeMainPv (VBoxRT.so) #8 0x00007f3de2d5050b start_thread (libpthread.so.0) #9 0x00007f3de18cf16f __clone (libc.so.6) Stack trace of thread 2542: #0 0x00007f3de2d56b5b pthread_cond_timedwait@@GLIBC_2.3.2 (libpthread.so.0) #1 0x00007f3de2a4bb6a _ZL29rtSemEventMultiPosixWaitTimedP23RTSEMEVENTMULTIINTERNALjmPK15RTLOCKVALSRCPOS.isra.1 (VBoxRT.so) #2 0x0000000000429595 _ZN8Progress17waitForCompletionEi (VBoxSVC) #3 0x000000000066bbab _ZN12ProgressWrap17WaitForCompletionEi (VBoxSVC) #4 0x00007f3de2400f2a VBoxNsxpXPTC_InvokeByIndex (VBoxXPCOM.so) #5 0x00007f3dd50868bc _ZN18ipcDConnectService8OnInvokeEjPK14DConnectInvokej (VBoxXPCOMIPCC.so) #6 0x00007f3dd508722d _ZN18ipcDConnectService17OnIncomingRequestEjPK10DConnectOpj (VBoxXPCOMIPCC.so) #7 0x00007f3dd508732a _ZN14DConnectWorker3RunEv (VBoxXPCOMIPCC.so) #8 0x00007f3de23f3951 _ZN8nsThread4MainEPv (VBoxXPCOM.so) #9 0x00007f3de2404a42 _pt_iprt_root (VBoxXPCOM.so) #10 0x00007f3de29b647c rtThreadMain (VBoxRT.so) #11 0x00007f3de2a4899c _ZL18rtThreadNativeMainPv (VBoxRT.so) #12 0x00007f3de2d5050b start_thread (libpthread.so.0) #13 0x00007f3de18cf16f __clone (libc.so.6) Stack trace of thread 2545: #0 0x00007f3de2d56be6 pthread_cond_timedwait@@GLIBC_2.3.2 (libpthread.so.0) #1 0x00007f3de2a4b4ce RTSemEventWait (VBoxRT.so) #2 0x00007f3de2a12dd3 _ZL15rtTimerLRThreadP11RTTHREADINTPv (VBoxRT.so) #3 0x00007f3de29b647c rtThreadMain (VBoxRT.so) #4 0x00007f3de2a4899c _ZL18rtThreadNativeMainPv (VBoxRT.so) #5 0x00007f3de2d5050b start_thread (libpthread.so.0) #6 0x00007f3de18cf16f __clone (libc.so.6) Stack trace of thread 2553: #0 0x00007f3de18c4c6b __poll (libc.so.6) #1 0x000000000062f946 _ZN19HostDnsServiceLinux13monitorWorkerEv (VBoxSVC) #2 0x00007f3de29b647c rtThreadMain (VBoxRT.so) #3 0x00007f3de2a4899c _ZL18rtThreadNativeMainPv (VBoxRT.so) #4 0x00007f3de2d5050b start_thread (libpthread.so.0) #5 0x00007f3de18cf16f __clone (libc.so.6)