1183 /usr/lib/virtualbox/VBoxSVC --auto-shutdown 1183 [New LWP 1185] [New LWP 1186] [New LWP 1187] [New LWP 1188] [New LWP 1189] [New LWP 1190] [New LWP 1195] [New LWP 1196] [New LWP 1199] [New LWP 1200] [New LWP 1288] [New LWP 1291] [New LWP 1293] [New LWP 1303] [New LWP 1304] [New LWP 9754] [New LWP 9755] [New LWP 9757] [New LWP 10392] [New LWP 11034] [New LWP 11035] [New LWP 11036] [New LWP 11037] [New LWP 11038] [New LWP 11039] [New LWP 11040] [Thread debugging using libthread_db enabled] Using host libthread_db library "/usr/lib/libthread_db.so.1". 0x00007f7e96e96af3 in select () from /usr/lib/libc.so.6 Thread 27 (Thread 0x7f7e6f8f7700 (LWP 11040)): #0 0x00007f7e982be756 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 #1 0x00007f7e979d48b9 in pt_TimedWait (cv=cv@entry=0x563273213748, ml=0x563273213798, timeout=timeout@entry=309858151) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:267 #2 0x00007f7e979d4d0c in VBoxNsprPR_WaitCondVar (cvar=0x563273213740, timeout=309858151) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:394 #3 0x00007f7e979d4fa9 in VBoxNsprPR_Wait (mon=mon@entry=0x563273213790, timeout=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:571 #4 0x00007f7e9142707f in nsAutoMonitor::Wait (interval=, this=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/xpcom/threads/nsAutoLock.h:281 #5 WaitTarget (aTarget=..., aTimeout=, aMsg=aMsg@entry=0x7f7e6f8f6578, aSelector=aSelector@entry=0x7f7e91425822 , aArg=aArg@entry=0x7f7e6f8f6580) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/ipc/ipcd/client/src/ipcdclient.cpp:491 #6 0x00007f7e9142816a in IPC_WaitMessage (aSenderID=aSenderID@entry=4294967295, aTarget=..., aObserver=aObserver@entry=0x7f7e6f8f6728, aConsumer=aConsumer@entry=0x7f7e6f8f6720, aTimeout=aTimeout@entry=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/ipc/ipcd/client/src/ipcdclient.cpp:1142 #7 0x00007f7e9142d8e7 in DConnectStub::CallMethod (this=0x7f7e74002050, aMethodIndex=, aInfo=0x7f7e843aca40, aParams=0x7f7e6f8f67e0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/ipc/ipcd/extensions/dconnect/src/ipcDConnectService.cpp:2656 #8 0x00007f7e979d0193 in PrepareAndDispatch (self=0x7f7e74002050, methodIndex=, args=, gpregs=0x7f7e6f8f68b0, fpregs=0x7f7e6f8f68e0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/xpcom/reflect/xptcall/src/md/unix/xptcstubs_x86_64_linux.cpp:156 #9 0x00007f7e979cf569 in SharedStub () from /usr/lib/virtualbox/VBoxXPCOM.so #10 0x0000563270ef788c in Machine::lockMachine (this=0x7f7e841a07e0, aSession=..., aLockType=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Main/src-server/MachineImpl.cpp:3339 #11 0x000056327109aec4 in MachineWrap::LockMachine (this=0x7f7e841a07e0, aSession=, aLockType=1) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/out/linux.amd64/release/obj/VBoxAPIWrap/MachineWrap.cpp:6727 #12 0x00007f7e979d04de in VBoxNsxpXPTC_InvokeByIndex (that=0x7f7e841a0850, methodIndex=163, paramCount=paramCount@entry=2, params=params@entry=0x7f7e8c035230) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_x86_64_linux.cpp:209 #13 0x00007f7e9142f25e in ipcDConnectService::OnInvoke (this=, peer=, invoke=, opLen=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/ipc/ipcd/extensions/dconnect/src/ipcDConnectService.cpp:4076 #14 0x00007f7e9142fbb1 in ipcDConnectService::OnIncomingRequest (this=, peer=, op=, opLen=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/ipc/ipcd/extensions/dconnect/src/ipcDConnectService.cpp:3706 #15 0x00007f7e9142fcd2 in DConnectWorker::Run (this=0x7f7e8c01fb80) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/ipc/ipcd/extensions/dconnect/src/ipcDConnectService.cpp:2979 #16 0x00007f7e979c33bb in nsThread::Main (arg=0x7f7e8c00b630) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/xpcom/threads/nsThread.cpp:118 #17 0x00007f7e979d38b2 in _pt_root (arg=0x7f7e6801e4d0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:224 #18 _pt_iprt_root (Thread=, pvUser=0x7f7e6801e4d0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:272 #19 0x00007f7e97f4bf8c in rtThreadMain (pThread=0x7f7e6801e640, NativeThread=, pszThreadName=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/common/misc/thread.cpp:717 #20 0x00007f7e97fd65bb in rtThreadNativeMain (pvArgs=0x7f7e6801e640) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/r3/posix/thread-posix.cpp:327 #21 0x00007f7e982b808a in start_thread () from /usr/lib/libpthread.so.0 #22 0x00007f7e96e9f1bf in clone () from /usr/lib/libc.so.6 Thread 26 (Thread 0x7f7e6f978700 (LWP 11039)): #0 0x00007f7e982be38d in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 #1 0x00007f7e979d4d69 in VBoxNsprPR_WaitCondVar (cvar=0x5632732140b0, timeout=timeout@entry=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:392 #2 0x00007f7e979d4fa9 in VBoxNsprPR_Wait (mon=0x563273214100, timeout=timeout@entry=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:571 #3 0x00007f7e9142fc4d in nsAutoMonitor::Wait (interval=4294967295, this=0x7f7e6f977dd0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/xpcom/threads/nsAutoLock.h:281 #4 DConnectWorker::Run (this=0x7f7e8c01d3c0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/ipc/ipcd/extensions/dconnect/src/ipcDConnectService.cpp:2956 #5 0x00007f7e979c33bb in nsThread::Main (arg=0x7f7e8c01ac00) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/xpcom/threads/nsThread.cpp:118 #6 0x00007f7e979d38b2 in _pt_root (arg=0x7f7e7c005680) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:224 #7 _pt_iprt_root (Thread=, pvUser=0x7f7e7c005680) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:272 #8 0x00007f7e97f4bf8c in rtThreadMain (pThread=0x7f7e7c0057f0, NativeThread=, pszThreadName=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/common/misc/thread.cpp:717 #9 0x00007f7e97fd65bb in rtThreadNativeMain (pvArgs=0x7f7e7c0057f0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/r3/posix/thread-posix.cpp:327 #10 0x00007f7e982b808a in start_thread () from /usr/lib/libpthread.so.0 #11 0x00007f7e96e9f1bf in clone () from /usr/lib/libc.so.6 Thread 25 (Thread 0x7f7e6f9f9700 (LWP 11038)): #0 0x00007f7e982be38d in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 #1 0x00007f7e979d4d69 in VBoxNsprPR_WaitCondVar (cvar=0x5632732140b0, timeout=timeout@entry=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:392 #2 0x00007f7e979d4fa9 in VBoxNsprPR_Wait (mon=0x563273214100, timeout=timeout@entry=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:571 #3 0x00007f7e9142fc4d in nsAutoMonitor::Wait (interval=4294967295, this=0x7f7e6f9f8dd0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/xpcom/threads/nsAutoLock.h:281 #4 DConnectWorker::Run (this=0x7f7e8c01d9f0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/ipc/ipcd/extensions/dconnect/src/ipcDConnectService.cpp:2956 #5 0x00007f7e979c33bb in nsThread::Main (arg=0x7f7e8c0068f0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/xpcom/threads/nsThread.cpp:118 #6 0x00007f7e979d38b2 in _pt_root (arg=0x7f7e7c004930) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:224 #7 _pt_iprt_root (Thread=, pvUser=0x7f7e7c004930) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:272 #8 0x00007f7e97f4bf8c in rtThreadMain (pThread=0x7f7e7c004aa0, NativeThread=, pszThreadName=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/common/misc/thread.cpp:717 #9 0x00007f7e97fd65bb in rtThreadNativeMain (pvArgs=0x7f7e7c004aa0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/r3/posix/thread-posix.cpp:327 #10 0x00007f7e982b808a in start_thread () from /usr/lib/libpthread.so.0 #11 0x00007f7e96e9f1bf in clone () from /usr/lib/libc.so.6 Thread 24 (Thread 0x7f7e6fa7a700 (LWP 11037)): #0 0x00007f7e982be756 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 #1 0x00007f7e97fd9456 in rtSemEventWait (fAutoResume=true, cMillies=500, hEventSem=0x7f7e70009670) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/r3/linux/../posix/semevent-posix.cpp:465 #2 RTSemEventWait (hEventSem=hEventSem@entry=0x7f7e70009670, cMillies=cMillies@entry=500) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/r3/linux/../posix/semevent-posix.cpp:482 #3 0x0000563270e3beb3 in ListenerRecord::dequeue (this=this@entry=0x7f7e70009540, aEvent=aEvent@entry=0x7f7e6fa79aa0, aTimeout=aTimeout@entry=500, aAlock=...) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Main/src-all/EventImpl.cpp:920 #4 0x0000563270e3c09c in EventSource::getEvent (this=0x7f7e84328e50, aListener=..., aTimeout=500, aEvent=...) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Main/src-all/EventImpl.cpp:1204 #5 0x000056327104ce0f in EventSourceWrap::GetEvent (this=0x7f7e84328e50, aListener=, aTimeout=500, aEvent=0x7f7e68026cf0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/out/linux.amd64/release/obj/VBoxAPIWrap/EventSourceWrap.cpp:314 #6 0x00007f7e979d04de in VBoxNsxpXPTC_InvokeByIndex (that=0x7f7e84328ec0, methodIndex=8, paramCount=paramCount@entry=3, params=params@entry=0x7f7e68026cc0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_x86_64_linux.cpp:209 #7 0x00007f7e9142f25e in ipcDConnectService::OnInvoke (this=, peer=, invoke=, opLen=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/ipc/ipcd/extensions/dconnect/src/ipcDConnectService.cpp:4076 #8 0x00007f7e9142fbb1 in ipcDConnectService::OnIncomingRequest (this=, peer=, op=, opLen=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/ipc/ipcd/extensions/dconnect/src/ipcDConnectService.cpp:3706 #9 0x00007f7e9142fcd2 in DConnectWorker::Run (this=0x7f7e8c01f6f0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/ipc/ipcd/extensions/dconnect/src/ipcDConnectService.cpp:2979 #10 0x00007f7e979c33bb in nsThread::Main (arg=0x7f7e8c011230) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/xpcom/threads/nsThread.cpp:118 #11 0x00007f7e979d38b2 in _pt_root (arg=0x7f7e6801d780) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:224 #12 _pt_iprt_root (Thread=, pvUser=0x7f7e6801d780) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:272 #13 0x00007f7e97f4bf8c in rtThreadMain (pThread=0x7f7e6801d8f0, NativeThread=, pszThreadName=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/common/misc/thread.cpp:717 #14 0x00007f7e97fd65bb in rtThreadNativeMain (pvArgs=0x7f7e6801d8f0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/r3/posix/thread-posix.cpp:327 #15 0x00007f7e982b808a in start_thread () from /usr/lib/libpthread.so.0 #16 0x00007f7e96e9f1bf in clone () from /usr/lib/libc.so.6 Thread 23 (Thread 0x7f7e6fafb700 (LWP 11036)): #0 0x00007f7e982be38d in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 #1 0x00007f7e979d4d69 in VBoxNsprPR_WaitCondVar (cvar=0x5632732140b0, timeout=timeout@entry=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:392 #2 0x00007f7e979d4fa9 in VBoxNsprPR_Wait (mon=0x563273214100, timeout=timeout@entry=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:571 #3 0x00007f7e9142fc4d in nsAutoMonitor::Wait (interval=4294967295, this=0x7f7e6fafadd0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/xpcom/threads/nsAutoLock.h:281 #4 DConnectWorker::Run (this=0x7f7e8c01f600) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/ipc/ipcd/extensions/dconnect/src/ipcDConnectService.cpp:2956 #5 0x00007f7e979c33bb in nsThread::Main (arg=0x7f7e8c00b670) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/xpcom/threads/nsThread.cpp:118 #6 0x00007f7e979d38b2 in _pt_root (arg=0x7f7e6801cb00) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:224 #7 _pt_iprt_root (Thread=, pvUser=0x7f7e6801cb00) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:272 #8 0x00007f7e97f4bf8c in rtThreadMain (pThread=0x7f7e6801cc10, NativeThread=, pszThreadName=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/common/misc/thread.cpp:717 #9 0x00007f7e97fd65bb in rtThreadNativeMain (pvArgs=0x7f7e6801cc10) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/r3/posix/thread-posix.cpp:327 #10 0x00007f7e982b808a in start_thread () from /usr/lib/libpthread.so.0 #11 0x00007f7e96e9f1bf in clone () from /usr/lib/libc.so.6 Thread 22 (Thread 0x7f7e6fb7c700 (LWP 11035)): #0 0x00007f7e982be38d in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 #1 0x00007f7e979d4d69 in VBoxNsprPR_WaitCondVar (cvar=0x5632732140b0, timeout=timeout@entry=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:392 #2 0x00007f7e979d4fa9 in VBoxNsprPR_Wait (mon=0x563273214100, timeout=timeout@entry=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:571 #3 0x00007f7e9142fc4d in nsAutoMonitor::Wait (interval=4294967295, this=0x7f7e6fb7bdd0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/xpcom/threads/nsAutoLock.h:281 #4 DConnectWorker::Run (this=0x7f7e8c01d9c0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/ipc/ipcd/extensions/dconnect/src/ipcDConnectService.cpp:2956 #5 0x00007f7e979c33bb in nsThread::Main (arg=0x7f7e8c01da50) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/xpcom/threads/nsThread.cpp:118 #6 0x00007f7e979d38b2 in _pt_root (arg=0x7f7e6801bef0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:224 #7 _pt_iprt_root (Thread=, pvUser=0x7f7e6801bef0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:272 #8 0x00007f7e97f4bf8c in rtThreadMain (pThread=0x7f7e6801c000, NativeThread=, pszThreadName=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/common/misc/thread.cpp:717 #9 0x00007f7e97fd65bb in rtThreadNativeMain (pvArgs=0x7f7e6801c000) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/r3/posix/thread-posix.cpp:327 #10 0x00007f7e982b808a in start_thread () from /usr/lib/libpthread.so.0 #11 0x00007f7e96e9f1bf in clone () from /usr/lib/libc.so.6 Thread 21 (Thread 0x7f7e6fe7d700 (LWP 11034)): #0 0x00007f7e982be38d in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 #1 0x00007f7e979d4d69 in VBoxNsprPR_WaitCondVar (cvar=0x5632732140b0, timeout=timeout@entry=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:392 #2 0x00007f7e979d4fa9 in VBoxNsprPR_Wait (mon=0x563273214100, timeout=timeout@entry=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:571 #3 0x00007f7e9142fc4d in nsAutoMonitor::Wait (interval=4294967295, this=0x7f7e6fe7cdd0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/xpcom/threads/nsAutoLock.h:281 #4 DConnectWorker::Run (this=0x7f7e8c016ff0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/ipc/ipcd/extensions/dconnect/src/ipcDConnectService.cpp:2956 #5 0x00007f7e979c33bb in nsThread::Main (arg=0x7f7e8c00a700) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/xpcom/threads/nsThread.cpp:118 #6 0x00007f7e979d38b2 in _pt_root (arg=0x7f7e6801b4e0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:224 #7 _pt_iprt_root (Thread=, pvUser=0x7f7e6801b4e0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:272 #8 0x00007f7e97f4bf8c in rtThreadMain (pThread=0x7f7e6801b5f0, NativeThread=, pszThreadName=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/common/misc/thread.cpp:717 #9 0x00007f7e97fd65bb in rtThreadNativeMain (pvArgs=0x7f7e6801b5f0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/r3/posix/thread-posix.cpp:327 #10 0x00007f7e982b808a in start_thread () from /usr/lib/libpthread.so.0 #11 0x00007f7e96e9f1bf in clone () from /usr/lib/libc.so.6 Thread 20 (Thread 0x7f7e6ffff700 (LWP 10392)): #0 0x00007f7e982be38d in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 #1 0x00007f7e979d4d69 in VBoxNsprPR_WaitCondVar (cvar=0x5632732140b0, timeout=timeout@entry=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:392 #2 0x00007f7e979d4fa9 in VBoxNsprPR_Wait (mon=0x563273214100, timeout=timeout@entry=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:571 #3 0x00007f7e9142fc4d in nsAutoMonitor::Wait (interval=4294967295, this=0x7f7e6fffedd0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/xpcom/threads/nsAutoLock.h:281 #4 DConnectWorker::Run (this=0x7f7e8c01d300) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/ipc/ipcd/extensions/dconnect/src/ipcDConnectService.cpp:2956 #5 0x00007f7e979c33bb in nsThread::Main (arg=0x7f7e8c01d420) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/xpcom/threads/nsThread.cpp:118 #6 0x00007f7e979d38b2 in _pt_root (arg=0x7f7e68018b60) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:224 #7 _pt_iprt_root (Thread=, pvUser=0x7f7e68018b60) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:272 #8 0x00007f7e97f4bf8c in rtThreadMain (pThread=0x7f7e68018c70, NativeThread=, pszThreadName=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/common/misc/thread.cpp:717 #9 0x00007f7e97fd65bb in rtThreadNativeMain (pvArgs=0x7f7e68018c70) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/r3/posix/thread-posix.cpp:327 #10 0x00007f7e982b808a in start_thread () from /usr/lib/libpthread.so.0 #11 0x00007f7e96e9f1bf in clone () from /usr/lib/libc.so.6 Thread 19 (Thread 0x7f7e880f4700 (LWP 9757)): #0 0x00007f7e982be38d in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 #1 0x00007f7e979d4d69 in VBoxNsprPR_WaitCondVar (cvar=0x5632732140b0, timeout=timeout@entry=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:392 #2 0x00007f7e979d4fa9 in VBoxNsprPR_Wait (mon=0x563273214100, timeout=timeout@entry=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:571 #3 0x00007f7e9142fc4d in nsAutoMonitor::Wait (interval=4294967295, this=0x7f7e880f3dd0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/xpcom/threads/nsAutoLock.h:281 #4 DConnectWorker::Run (this=0x7f7e8c014a60) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/ipc/ipcd/extensions/dconnect/src/ipcDConnectService.cpp:2956 #5 0x00007f7e979c33bb in nsThread::Main (arg=0x7f7e8c009e40) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/xpcom/threads/nsThread.cpp:118 #6 0x00007f7e979d38b2 in _pt_root (arg=0x7f7e74081fb0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:224 #7 _pt_iprt_root (Thread=, pvUser=0x7f7e74081fb0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:272 #8 0x00007f7e97f4bf8c in rtThreadMain (pThread=0x7f7e74082120, NativeThread=, pszThreadName=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/common/misc/thread.cpp:717 #9 0x00007f7e97fd65bb in rtThreadNativeMain (pvArgs=0x7f7e74082120) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/r3/posix/thread-posix.cpp:327 #10 0x00007f7e982b808a in start_thread () from /usr/lib/libpthread.so.0 #11 0x00007f7e96e9f1bf in clone () from /usr/lib/libc.so.6 Thread 18 (Thread 0x7f7e881f8700 (LWP 9755)): #0 0x00007f7e982be38d in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 #1 0x00007f7e979d4d69 in VBoxNsprPR_WaitCondVar (cvar=0x5632732140b0, timeout=timeout@entry=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:392 #2 0x00007f7e979d4fa9 in VBoxNsprPR_Wait (mon=0x563273214100, timeout=timeout@entry=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:571 #3 0x00007f7e9142fc4d in nsAutoMonitor::Wait (interval=4294967295, this=0x7f7e881f7dd0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/xpcom/threads/nsAutoLock.h:281 #4 DConnectWorker::Run (this=0x7f7e74015d90) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/ipc/ipcd/extensions/dconnect/src/ipcDConnectService.cpp:2956 #5 0x00007f7e979c33bb in nsThread::Main (arg=0x7f7e8c015590) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/xpcom/threads/nsThread.cpp:118 #6 0x00007f7e979d38b2 in _pt_root (arg=0x7f7e740812b0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:224 #7 _pt_iprt_root (Thread=, pvUser=0x7f7e740812b0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:272 #8 0x00007f7e97f4bf8c in rtThreadMain (pThread=0x7f7e740813c0, NativeThread=, pszThreadName=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/common/misc/thread.cpp:717 #9 0x00007f7e97fd65bb in rtThreadNativeMain (pvArgs=0x7f7e740813c0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/r3/posix/thread-posix.cpp:327 #10 0x00007f7e982b808a in start_thread () from /usr/lib/libpthread.so.0 #11 0x00007f7e96e9f1bf in clone () from /usr/lib/libc.so.6 Thread 17 (Thread 0x7f7e88279700 (LWP 9754)): #0 0x00007f7e982be38d in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 #1 0x00007f7e979d4d69 in VBoxNsprPR_WaitCondVar (cvar=0x5632732140b0, timeout=timeout@entry=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:392 #2 0x00007f7e979d4fa9 in VBoxNsprPR_Wait (mon=0x563273214100, timeout=timeout@entry=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:571 #3 0x00007f7e9142fc4d in nsAutoMonitor::Wait (interval=4294967295, this=0x7f7e88278dd0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/xpcom/threads/nsAutoLock.h:281 #4 DConnectWorker::Run (this=0x7f7e8c016c90) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/ipc/ipcd/extensions/dconnect/src/ipcDConnectService.cpp:2956 #5 0x00007f7e979c33bb in nsThread::Main (arg=0x7f7e8c015ba0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/xpcom/threads/nsThread.cpp:118 #6 0x00007f7e979d38b2 in _pt_root (arg=0x7f7e7407c520) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:224 #7 _pt_iprt_root (Thread=, pvUser=0x7f7e7407c520) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:272 #8 0x00007f7e97f4bf8c in rtThreadMain (pThread=0x7f7e7407c7d0, NativeThread=, pszThreadName=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/common/misc/thread.cpp:717 #9 0x00007f7e97fd65bb in rtThreadNativeMain (pvArgs=0x7f7e7407c7d0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/r3/posix/thread-posix.cpp:327 #10 0x00007f7e982b808a in start_thread () from /usr/lib/libpthread.so.0 #11 0x00007f7e96e9f1bf in clone () from /usr/lib/libc.so.6 Thread 16 (Thread 0x7f7e88175700 (LWP 1304)): #0 0x00007f7e982be38d in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 #1 0x00007f7e979d4d69 in VBoxNsprPR_WaitCondVar (cvar=0x5632732140b0, timeout=timeout@entry=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:392 #2 0x00007f7e979d4fa9 in VBoxNsprPR_Wait (mon=0x563273214100, timeout=timeout@entry=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:571 #3 0x00007f7e9142fc4d in nsAutoMonitor::Wait (interval=4294967295, this=0x7f7e88174dd0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/xpcom/threads/nsAutoLock.h:281 #4 DConnectWorker::Run (this=0x7f7e8c004630) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/ipc/ipcd/extensions/dconnect/src/ipcDConnectService.cpp:2956 #5 0x00007f7e979c33bb in nsThread::Main (arg=0x7f7e8c002d20) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/xpcom/threads/nsThread.cpp:118 #6 0x00007f7e979d38b2 in _pt_root (arg=0x5632732339c0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:224 #7 _pt_iprt_root (Thread=, pvUser=0x5632732339c0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:272 #8 0x00007f7e97f4bf8c in rtThreadMain (pThread=0x563273233b30, NativeThread=, pszThreadName=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/common/misc/thread.cpp:717 #9 0x00007f7e97fd65bb in rtThreadNativeMain (pvArgs=0x563273233b30) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/r3/posix/thread-posix.cpp:327 #10 0x00007f7e982b808a in start_thread () from /usr/lib/libpthread.so.0 #11 0x00007f7e96e9f1bf in clone () from /usr/lib/libc.so.6 Thread 15 (Thread 0x7f7e6fefe700 (LWP 1303)): #0 0x00007f7e982be38d in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 #1 0x00007f7e979d4d69 in VBoxNsprPR_WaitCondVar (cvar=0x5632732140b0, timeout=timeout@entry=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:392 #2 0x00007f7e979d4fa9 in VBoxNsprPR_Wait (mon=0x563273214100, timeout=timeout@entry=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:571 #3 0x00007f7e9142fc4d in nsAutoMonitor::Wait (interval=4294967295, this=0x7f7e6fefddd0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/xpcom/threads/nsAutoLock.h:281 #4 DConnectWorker::Run (this=0x7f7e8c001e70) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/ipc/ipcd/extensions/dconnect/src/ipcDConnectService.cpp:2956 #5 0x00007f7e979c33bb in nsThread::Main (arg=0x7f7e8c003500) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/xpcom/threads/nsThread.cpp:118 #6 0x00007f7e979d38b2 in _pt_root (arg=0x563273232e00) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:224 #7 _pt_iprt_root (Thread=, pvUser=0x563273232e00) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:272 #8 0x00007f7e97f4bf8c in rtThreadMain (pThread=0x563273232f70, NativeThread=, pszThreadName=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/common/misc/thread.cpp:717 #9 0x00007f7e97fd65bb in rtThreadNativeMain (pvArgs=0x563273232f70) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/r3/posix/thread-posix.cpp:327 #10 0x00007f7e982b808a in start_thread () from /usr/lib/libpthread.so.0 #11 0x00007f7e96e9f1bf in clone () from /usr/lib/libc.so.6 Thread 14 (Thread 0x7f7e883f8700 (LWP 1293)): #0 0x00007f7e982be756 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 #1 0x00007f7e979d48b9 in pt_TimedWait (cv=cv@entry=0x563273213748, ml=0x563273213798, timeout=timeout@entry=309858151) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:267 #2 0x00007f7e979d4d0c in VBoxNsprPR_WaitCondVar (cvar=0x563273213740, timeout=309858151) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:394 #3 0x00007f7e979d4fa9 in VBoxNsprPR_Wait (mon=mon@entry=0x563273213790, timeout=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:571 #4 0x00007f7e9142707f in nsAutoMonitor::Wait (interval=, this=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/xpcom/threads/nsAutoLock.h:281 #5 WaitTarget (aTarget=..., aTimeout=, aMsg=aMsg@entry=0x7f7e883f7748, aSelector=aSelector@entry=0x7f7e91425822 , aArg=aArg@entry=0x7f7e883f7750) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/ipc/ipcd/client/src/ipcdclient.cpp:491 #6 0x00007f7e9142816a in IPC_WaitMessage (aSenderID=aSenderID@entry=4294967295, aTarget=..., aObserver=aObserver@entry=0x7f7e883f78f8, aConsumer=aConsumer@entry=0x7f7e883f78f0, aTimeout=aTimeout@entry=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/ipc/ipcd/client/src/ipcdclient.cpp:1142 #7 0x00007f7e9142d8e7 in DConnectStub::CallMethod (this=0x7f7e8432f610, aMethodIndex=, aInfo=0x7f7e8431e678, aParams=0x7f7e883f79b0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/ipc/ipcd/extensions/dconnect/src/ipcDConnectService.cpp:2656 #8 0x00007f7e979d0193 in PrepareAndDispatch (self=0x7f7e8432f610, methodIndex=, args=, gpregs=0x7f7e883f7a80, fpregs=0x7f7e883f7ab0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/xpcom/reflect/xptcall/src/md/unix/xptcstubs_x86_64_linux.cpp:156 #9 0x00007f7e979cf569 in SharedStub () from /usr/lib/virtualbox/VBoxXPCOM.so #10 0x00007f7e979d04de in VBoxNsxpXPTC_InvokeByIndex (that=0x7f7e8432f610, methodIndex=17, paramCount=paramCount@entry=5, params=params@entry=0x7f7e8c010340) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_x86_64_linux.cpp:209 #11 0x00007f7e9142f25e in ipcDConnectService::OnInvoke (this=, peer=, invoke=, opLen=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/ipc/ipcd/extensions/dconnect/src/ipcDConnectService.cpp:4076 #12 0x00007f7e9142fbb1 in ipcDConnectService::OnIncomingRequest (this=, peer=, op=, opLen=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/ipc/ipcd/extensions/dconnect/src/ipcDConnectService.cpp:3706 #13 0x00007f7e9142fcd2 in DConnectWorker::Run (this=0x7f7e74005730) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/ipc/ipcd/extensions/dconnect/src/ipcDConnectService.cpp:2979 #14 0x00007f7e979c33bb in nsThread::Main (arg=0x7f7e74005760) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/xpcom/threads/nsThread.cpp:118 #15 0x00007f7e979d38b2 in _pt_root (arg=0x7f7e74005850) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:224 #16 _pt_iprt_root (Thread=, pvUser=0x7f7e74005850) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:272 #17 0x00007f7e97f4bf8c in rtThreadMain (pThread=0x7f7e74005960, NativeThread=, pszThreadName=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/common/misc/thread.cpp:717 #18 0x00007f7e97fd65bb in rtThreadNativeMain (pvArgs=0x7f7e74005960) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/r3/posix/thread-posix.cpp:327 #19 0x00007f7e982b808a in start_thread () from /usr/lib/libpthread.so.0 #20 0x00007f7e96e9f1bf in clone () from /usr/lib/libc.so.6 Thread 13 (Thread 0x7f7e88479700 (LWP 1291)): #0 0x00007f7e982be38d in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 #1 0x00007f7e979d4d69 in VBoxNsprPR_WaitCondVar (cvar=0x5632732140b0, timeout=timeout@entry=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:392 #2 0x00007f7e979d4fa9 in VBoxNsprPR_Wait (mon=0x563273214100, timeout=timeout@entry=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:571 #3 0x00007f7e9142fc4d in nsAutoMonitor::Wait (interval=4294967295, this=0x7f7e88478dd0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/xpcom/threads/nsAutoLock.h:281 #4 DConnectWorker::Run (this=0x7f7e8c001230) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/ipc/ipcd/extensions/dconnect/src/ipcDConnectService.cpp:2956 #5 0x00007f7e979c33bb in nsThread::Main (arg=0x7f7e8c0018f0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/xpcom/threads/nsThread.cpp:118 #6 0x00007f7e979d38b2 in _pt_root (arg=0x56327322a6a0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:224 #7 _pt_iprt_root (Thread=, pvUser=0x56327322a6a0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:272 #8 0x00007f7e97f4bf8c in rtThreadMain (pThread=0x56327322f070, NativeThread=, pszThreadName=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/common/misc/thread.cpp:717 #9 0x00007f7e97fd65bb in rtThreadNativeMain (pvArgs=0x56327322f070) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/r3/posix/thread-posix.cpp:327 #10 0x00007f7e982b808a in start_thread () from /usr/lib/libpthread.so.0 #11 0x00007f7e96e9f1bf in clone () from /usr/lib/libc.so.6 Thread 12 (Thread 0x7f7e884fa700 (LWP 1288)): #0 0x00007f7e982be38d in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 #1 0x00007f7e979d4d69 in VBoxNsprPR_WaitCondVar (cvar=0x5632732140b0, timeout=timeout@entry=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:392 #2 0x00007f7e979d4fa9 in VBoxNsprPR_Wait (mon=0x563273214100, timeout=timeout@entry=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:571 #3 0x00007f7e9142fc4d in nsAutoMonitor::Wait (interval=4294967295, this=0x7f7e884f9dd0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/xpcom/threads/nsAutoLock.h:281 #4 DConnectWorker::Run (this=0x7f7e8c001060) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/ipc/ipcd/extensions/dconnect/src/ipcDConnectService.cpp:2956 #5 0x00007f7e979c33bb in nsThread::Main (arg=0x7f7e8c001760) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/xpcom/threads/nsThread.cpp:118 #6 0x00007f7e979d38b2 in _pt_root (arg=0x56327322e690) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:224 #7 _pt_iprt_root (Thread=, pvUser=0x56327322e690) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:272 #8 0x00007f7e97f4bf8c in rtThreadMain (pThread=0x56327322d560, NativeThread=, pszThreadName=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/common/misc/thread.cpp:717 #9 0x00007f7e97fd65bb in rtThreadNativeMain (pvArgs=0x56327322d560) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/r3/posix/thread-posix.cpp:327 #10 0x00007f7e982b808a in start_thread () from /usr/lib/libpthread.so.0 #11 0x00007f7e96e9f1bf in clone () from /usr/lib/libc.so.6 Thread 11 (Thread 0x7f7e8857b700 (LWP 1200)): #0 0x00007f7e982be38d in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 #1 0x00007f7e97fd9671 in rtSemEventWait (fAutoResume=false, cMillies=4294967295, hEventSem=0x7f7e7c000d00) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/r3/linux/../posix/semevent-posix.cpp:369 #2 RTSemEventWaitNoResume (hEventSem=0x7f7e7c000d00, cMillies=cMillies@entry=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/r3/linux/../posix/semevent-posix.cpp:490 #3 0x00005632711534a4 in com::EventQueue::processEventQueue (this=this@entry=0x7f7e7c000c20, cMsTimeout=cMsTimeout@entry=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Main/glue/EventQueue.cpp:103 #4 0x0000563270fa34fb in VirtualBox::AsyncEventHandler (thread=0x7f7e842fe110, pvUser=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Main/src-server/VirtualBoxImpl.cpp:4921 #5 0x00007f7e97f4bf8c in rtThreadMain (pThread=0x7f7e842fe110, NativeThread=, pszThreadName=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/common/misc/thread.cpp:717 #6 0x00007f7e97fd65bb in rtThreadNativeMain (pvArgs=0x7f7e842fe110) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/r3/posix/thread-posix.cpp:327 #7 0x00007f7e982b808a in start_thread () from /usr/lib/libpthread.so.0 #8 0x00007f7e96e9f1bf in clone () from /usr/lib/libc.so.6 Thread 10 (Thread 0x7f7e885fc700 (LWP 1199)): #0 0x00007f7e982be756 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 #1 0x00007f7e97fd9456 in rtSemEventWait (fAutoResume=true, cMillies=500, hEventSem=0x7f7e842f9850) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/r3/linux/../posix/semevent-posix.cpp:465 #2 RTSemEventWait (hEventSem=0x7f7e842f9850, cMillies=500) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/r3/linux/../posix/semevent-posix.cpp:482 #3 0x0000563270ea52cd in VirtualBox::ClientWatcher::worker (hThreadSelf=, pvUser=0x7f7e842c46d0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Main/src-server/ClientWatcher.cpp:974 #4 0x00007f7e97f4bf8c in rtThreadMain (pThread=0x7f7e842fd810, NativeThread=, pszThreadName=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/common/misc/thread.cpp:717 #5 0x00007f7e97fd65bb in rtThreadNativeMain (pvArgs=0x7f7e842fd810) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/r3/posix/thread-posix.cpp:327 #6 0x00007f7e982b808a in start_thread () from /usr/lib/libpthread.so.0 #7 0x00007f7e96e9f1bf in clone () from /usr/lib/libc.so.6 Thread 9 (Thread 0x7f7e8a4bb700 (LWP 1196)): #0 0x00007f7e96e94cbb in poll () from /usr/lib/libc.so.6 #1 0x00007f7e8af341f1 in ?? () from /usr/lib/libdbus-1.so.3 #2 0x00007f7e8af32e5d in ?? () from /usr/lib/libdbus-1.so.3 #3 0x00007f7e8af1b52e in ?? () from /usr/lib/libdbus-1.so.3 #4 0x00007f7e8af1db12 in ?? () from /usr/lib/libdbus-1.so.3 #5 0x000056327104049d in HostPowerServiceLinux::powerChangeNotificationThread (hThreadSelf=, pInstance=0x7f7e84017080) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Main/src-server/linux/HostPowerLinux.cpp:109 #6 0x00007f7e97f4bf8c in rtThreadMain (pThread=0x7f7e84020c50, NativeThread=, pszThreadName=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/common/misc/thread.cpp:717 #7 0x00007f7e97fd65bb in rtThreadNativeMain (pvArgs=0x7f7e84020c50) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/r3/posix/thread-posix.cpp:327 #8 0x00007f7e982b808a in start_thread () from /usr/lib/libpthread.so.0 #9 0x00007f7e96e9f1bf in clone () from /usr/lib/libc.so.6 Thread 8 (Thread 0x7f7e994ac700 (LWP 1195)): #0 0x00007f7e96e94cbb in poll () from /usr/lib/libc.so.6 #1 0x00005632710400a2 in HostDnsServiceLinux::monitorWorker (this=0x7f7e84013700) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Main/src-server/linux/HostDnsServiceLinux.cpp:138 #2 0x00007f7e97f4bf8c in rtThreadMain (pThread=0x7f7e84016530, NativeThread=, pszThreadName=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/common/misc/thread.cpp:717 #3 0x00007f7e97fd65bb in rtThreadNativeMain (pvArgs=0x7f7e84016530) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/r3/posix/thread-posix.cpp:327 #4 0x00007f7e982b808a in start_thread () from /usr/lib/libpthread.so.0 #5 0x00007f7e96e9f1bf in clone () from /usr/lib/libc.so.6 Thread 7 (Thread 0x7f7e8b2d5700 (LWP 1190)): #0 0x00007f7e96e94cbb in poll () from /usr/lib/libc.so.6 #1 0x000056327103d401 in hotplugInotifyImpl::Wait (this=0x7f7e8400e700, aMillies=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Main/src-server/linux/HostHardwareLinux.cpp:1204 #2 0x0000563271041a34 in VBoxMainHotplugWaiter::Wait (cMillies=, this=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Main/include/HostHardwareLinux.h:157 #3 USBProxyBackendLinux::waitSysfs (this=, aMillies=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Main/src-server/linux/USBProxyBackendLinux.cpp:350 #4 0x00005632710276eb in USBProxyBackend::serviceThread (pvUser=0x7f7e8400e2e0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Main/src-server/USBProxyBackend.cpp:354 #5 0x00007f7e97f4bf8c in rtThreadMain (pThread=0x7f7e8400fe90, NativeThread=, pszThreadName=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/common/misc/thread.cpp:717 #6 0x00007f7e97fd65bb in rtThreadNativeMain (pvArgs=0x7f7e8400fe90) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/r3/posix/thread-posix.cpp:327 #7 0x00007f7e982b808a in start_thread () from /usr/lib/libpthread.so.0 #8 0x00007f7e96e9f1bf in clone () from /usr/lib/libc.so.6 Thread 6 (Thread 0x7f7e8b356700 (LWP 1189)): #0 0x00007f7e982be756 in pthread_cond_timedwait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 #1 0x00007f7e97fd9456 in rtSemEventWait (fAutoResume=true, cMillies=999, hEventSem=0x7f7e8400e030) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/r3/linux/../posix/semevent-posix.cpp:465 #2 RTSemEventWait (hEventSem=0x7f7e8400e030, cMillies=999) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/r3/linux/../posix/semevent-posix.cpp:482 #3 0x00007f7e97f9fa13 in rtTimerLRThread (hThreadSelf=, pvUser=0x7f7e8400e9c0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/generic/timerlr-generic.cpp:340 #4 0x00007f7e97f4bf8c in rtThreadMain (pThread=0x7f7e8400ac80, NativeThread=, pszThreadName=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/common/misc/thread.cpp:717 #5 0x00007f7e97fd65bb in rtThreadNativeMain (pvArgs=0x7f7e8400ac80) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/r3/posix/thread-posix.cpp:327 #6 0x00007f7e982b808a in start_thread () from /usr/lib/libpthread.so.0 #7 0x00007f7e96e9f1bf in clone () from /usr/lib/libc.so.6 Thread 5 (Thread 0x7f7e8b3d7700 (LWP 1188)): #0 0x00007f7e982be38d in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 #1 0x00007f7e97fd9671 in rtSemEventWait (fAutoResume=false, cMillies=2214654624, hEventSem=0x7f7e8400f270) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/r3/linux/../posix/semevent-posix.cpp:369 #2 RTSemEventWaitNoResume (hEventSem=0x7f7e8400f270, cMillies=cMillies@entry=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/r3/linux/../posix/semevent-posix.cpp:490 #3 0x0000563271035e6b in pm::CollectorGuestQueue::pop (this=this@entry=0x7f7e8400e5e8) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Main/src-server/Performance.cpp:178 #4 0x0000563271035f16 in pm::CollectorGuestManager::requestProcessingThread (pvUser=0x7f7e8400e5c0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Main/src-server/Performance.cpp:548 #5 0x00007f7e97f4bf8c in rtThreadMain (pThread=0x7f7e8401ba10, NativeThread=, pszThreadName=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/common/misc/thread.cpp:717 #6 0x00007f7e97fd65bb in rtThreadNativeMain (pvArgs=0x7f7e8401ba10) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/r3/posix/thread-posix.cpp:327 #7 0x00007f7e982b808a in start_thread () from /usr/lib/libpthread.so.0 #8 0x00007f7e96e9f1bf in clone () from /usr/lib/libc.so.6 Thread 4 (Thread 0x7f7e8b458700 (LWP 1187)): #0 0x00007f7e982be38d in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 #1 0x00007f7e97fd9301 in rtSemEventWait (fAutoResume=true, cMillies=4294967295, hEventSem=0x56327322b300) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/r3/linux/../posix/semevent-posix.cpp:369 #2 RTSemEventWait (hEventSem=0x56327322b300, cMillies=cMillies@entry=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/r3/linux/../posix/semevent-posix.cpp:482 #3 0x00007f7e97f9f92e in rtTimerLRThread (hThreadSelf=, pvUser=0x56327322eda0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/generic/timerlr-generic.cpp:283 #4 0x00007f7e97f4bf8c in rtThreadMain (pThread=0x56327322bc50, NativeThread=, pszThreadName=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/common/misc/thread.cpp:717 #5 0x00007f7e97fd65bb in rtThreadNativeMain (pvArgs=0x56327322bc50) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/r3/posix/thread-posix.cpp:327 #6 0x00007f7e982b808a in start_thread () from /usr/lib/libpthread.so.0 #7 0x00007f7e96e9f1bf in clone () from /usr/lib/libc.so.6 Thread 3 (Thread 0x7f7e90aa1700 (LWP 1186)): #0 0x00007f7e982be38d in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0 #1 0x00007f7e979d4d69 in VBoxNsprPR_WaitCondVar (cvar=0x5632732140b0, timeout=timeout@entry=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:392 #2 0x00007f7e979d4fa9 in VBoxNsprPR_Wait (mon=0x563273214100, timeout=timeout@entry=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:571 #3 0x00007f7e9142fc4d in nsAutoMonitor::Wait (interval=4294967295, this=0x7f7e90aa0dd0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/xpcom/threads/nsAutoLock.h:281 #4 DConnectWorker::Run (this=0x5632732135f0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/ipc/ipcd/extensions/dconnect/src/ipcDConnectService.cpp:2956 #5 0x00007f7e979c33bb in nsThread::Main (arg=0x5632732142f0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/xpcom/threads/nsThread.cpp:118 #6 0x00007f7e979d38b2 in _pt_root (arg=0x5632732143e0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:224 #7 _pt_iprt_root (Thread=, pvUser=0x5632732143e0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:272 #8 0x00007f7e97f4bf8c in rtThreadMain (pThread=0x563273214550, NativeThread=, pszThreadName=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/common/misc/thread.cpp:717 #9 0x00007f7e97fd65bb in rtThreadNativeMain (pvArgs=0x563273214550) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/r3/posix/thread-posix.cpp:327 #10 0x00007f7e982b808a in start_thread () from /usr/lib/libpthread.so.0 #11 0x00007f7e96e9f1bf in clone () from /usr/lib/libc.so.6 Thread 2 (Thread 0x7f7e90ba1700 (LWP 1185)): #0 0x00007f7e96e94cbb in poll () from /usr/lib/libc.so.6 #1 0x00007f7e979d703f in _pr_poll_with_poll (pds=pds@entry=0x5632732124c8, npds=npds@entry=2, timeout=timeout@entry=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptio.c:3906 #2 0x00007f7e979d8c96 in VBoxNsprPR_Poll (pds=pds@entry=0x5632732124c8, npds=npds@entry=2, timeout=timeout@entry=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptio.c:4308 #3 0x00007f7e914325f4 in ConnThread (arg=0x5632732124c0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/ipc/ipcd/client/src/ipcConnectionUnix.cpp:342 #4 0x00007f7e979d38b2 in _pt_root (arg=0x5632732127d0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:224 #5 _pt_iprt_root (Thread=, pvUser=0x5632732127d0) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:272 #6 0x00007f7e97f4bf8c in rtThreadMain (pThread=0x563273212940, NativeThread=, pszThreadName=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/common/misc/thread.cpp:717 #7 0x00007f7e97fd65bb in rtThreadNativeMain (pvArgs=0x563273212940) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Runtime/r3/posix/thread-posix.cpp:327 #8 0x00007f7e982b808a in start_thread () from /usr/lib/libpthread.so.0 #9 0x00007f7e96e9f1bf in clone () from /usr/lib/libc.so.6 Thread 1 (Thread 0x7f7e99469bc0 (LWP 1183)): #0 0x00007f7e96e96af3 in select () from /usr/lib/libc.so.6 #1 0x0000563271152a86 in com::waitForEventsOnXPCOM (pQueue=, cMsTimeout=cMsTimeout@entry=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Main/glue/NativeEventQueue.cpp:348 #2 0x0000563271152fbc in com::NativeEventQueue::processEventQueue (this=0x56327322bc20, cMsTimeout=4294967295) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Main/glue/NativeEventQueue.cpp:524 #3 0x0000563270e29c08 in main (argc=, argv=) at /usr/local/src/virtualbox/trunk/src/VirtualBox-5.1.28/src/VBox/Main/src-server/xpcom/server.cpp:917