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Ticket Resolution Summary Owner Reporter
#15568 fixed VBoxHeadless crash ipcDConnectService Shutdown gim
Description

Some times crash happens:

Program terminated with signal SIGSEGV, Segmentation fault.
#0  __GI___pthread_mutex_lock (mutex=0x0) at ../nptl/pthread_mutex_lock.c:66
66      ../nptl/pthread_mutex_lock.c: No such file or directory.

(gdb) bt
#0  __GI___pthread_mutex_lock (mutex=0x0) at ../nptl/pthread_mutex_lock.c:66
#1  0x00007fbdcfdce1d0 in VBoxNsprPR_Lock (lock=0x0) at /.../VirtualBox-5.0.20/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:193
#2  0x00007fbdcfd8296c in nsExceptionService::DropThread (thread=0x7fbcf40008c0) at /.../VirtualBox-5.0.20/src/libs/xpcom18a4/xpcom/base/nsExceptionService.cpp:368
#3  0x00007fbdcfd82995 in nsExceptionService::ThreadDestruct (data=<optimized out>) at /.../VirtualBox-5.0.20/src/libs/xpcom18a4/xpcom/base/nsExceptionService.cpp:221
#4  0x00007fbdcfdd6db5 in _PR_DestroyThreadPrivate (self=self@entry=0x7fbcf4000910) at /.../VirtualBox-5.0.20/src/libs/xpcom18a4/nsprpub/pr/src/threads/prtpd.c:265
#5  0x00007fbdcfdcd2d2 in _pt_thread_death (arg=0x7fbcf4000910) at /.../VirtualBox-5.0.20/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:882
#6  0x00007fbdd04a3f82 in __nptl_deallocate_tsd () at pthread_create.c:158
#7  0x00007fbdd04a4197 in start_thread (arg=0x7fbdd0868700) at pthread_create.c:325
#8  0x00007fbdcf53737d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

(gdb) list
188
189     PR_IMPLEMENT(void) PR_Lock(PRLock *lock)
190     {
191         PRIntn rv;
192         PR_ASSERT(lock != NULL);
193         rv = pthread_mutex_lock(&lock->mutex);
194         PR_ASSERT(0 == rv);
195         PR_ASSERT(0 == lock->notified.length);
196         PR_ASSERT(NULL == lock->notified.link);
197         PR_ASSERT(PR_FALSE == lock->locked);

(gdb) print lock
$1 = (PRLock *) 0x0

(gdb) thread apply all bt

Thread 4 (Thread 0x7fbdc97ea700 (LWP 28972)):
#0  0x00007fbdcf52ec53 in select () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fbdc234c2fc in ?? () from /usr/lib/x86_64-linux-gnu/libvncserver.so.0
#2  0x00007fbdd04a4184 in start_thread (arg=0x7fbdc97ea700) at pthread_create.c:312
#3  0x00007fbdcf53737d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 3 (Thread 0x7fbdd08aa700 (LWP 28922)):
#0  0x00007fbdcf529fdd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fbdcfdd041b in poll (__timeout=-1, __nfds=2, __fds=0x7fbdd08a9b90) at /usr/include/x86_64-linux-gnu/bits/poll2.h:46
#2  _pr_poll_with_poll (pds=0xc37ea8, npds=2, timeout=4294967295) at /.../VirtualBox-5.0.20/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptio.c:3906
#3  0x00007fbdcfdd2064 in VBoxNsprPR_Poll (pds=<optimized out>, npds=<optimized out>, timeout=<optimized out>)
    at /.../VirtualBox-5.0.20/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptio.c:4308
#4  0x00007fbdc8de17df in ConnThread (arg=0xc37ea0) at /.../VirtualBox-5.0.20/src/libs/xpcom18a4/ipc/ipcd/client/src/ipcConnectionUnix.cpp:336
#5  0x00007fbdcfdcd19b in _pt_root (arg=0xc381b0) at /.../VirtualBox-5.0.20/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:224
#6  _pt_iprt_root (Thread=<optimized out>, pvUser=0xc381b0) at /.../VirtualBox-5.0.20/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:272
#7  0x00007fbdd013f644 in rtThreadMain (pThread=0xc38320, NativeThread=140453224294144, pszThreadName=<optimized out>)
    at /.../VirtualBox-5.0.20/src/VBox/Runtime/common/misc/thread.cpp:717
#8  0x00007fbdd01beb4c in rtThreadNativeMain (pvArgs=0xc38320) at /.../VirtualBox-5.0.20/src/VBox/Runtime/r3/posix/thread-posix.cpp:324
#9  0x00007fbdd04a4184 in start_thread (arg=0x7fbdd08aa700) at pthread_create.c:312
#10 0x00007fbdcf53737d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111

Thread 2 (Thread 0x7fbdd08ac780 (LWP 28908)):
#0  0x00007fbdd04abb9d in nanosleep () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fbdd01bf0ad in RTThreadSleep (cMillies=10) at /.../VirtualBox-5.0.20/src/VBox/Runtime/r3/posix/thread2-posix.cpp:82
#2  0x00007fbdc8dda1a9 in ipcDConnectService::Shutdown (this=this@entry=0xc39000) at /.../VirtualBox-5.0.20/src/libs/xpcom18a4/ipc/ipcd/extensions/dconnect/src/ipcDConnectService.cpp:3236
#3  0x00007fbdc8ddd4b6 in ipcDConnectService::OnClientStateChange (this=0xc39000, aClientID=4294967295, aClientState=<optimized out>)
    at /.../VirtualBox-5.0.20/src/libs/xpcom18a4/ipc/ipcd/extensions/dconnect/src/ipcDConnectService.cpp:3646
#4  0x00007fbdc8dd58b1 in HandleEvent (ev=0xc2ea50) at /.../VirtualBox-5.0.20/src/libs/xpcom18a4/ipc/ipcd/client/src/ipcdclient.cpp:553
#5  IPC_Shutdown () at /.../VirtualBox-5.0.20/src/libs/xpcom18a4/ipc/ipcd/client/src/ipcdclient.cpp:875
#6  0x00007fbdc8dd7e3e in ipcdclient_shutdown (module=<optimized out>) at /.../VirtualBox-5.0.20/src/libs/xpcom18a4/ipc/ipcd/client/src/ipcModuleFactory.cpp:187
#7  0x00007fbdcfdeb774 in nsGenericModule::Shutdown (this=this@entry=0xc35460) at /.../VirtualBox-5.0.20/src/libs/xpcom18a4/xpcom/glue/nsGenericFactory.cpp:344
#8  0x00007fbdcfdeb78d in nsGenericModule::~nsGenericModule (this=this@entry=0xc35460, __in_chrg=<optimized out>)
    at /.../VirtualBox-5.0.20/src/libs/xpcom18a4/xpcom/glue/nsGenericFactory.cpp:241
#9  0x00007fbdcfdeb7be in nsGenericModule::Release (this=0xc35460) at /.../VirtualBox-5.0.20/src/libs/xpcom18a4/xpcom/glue/nsGenericFactory.cpp:249
#10 0x00007fbdcfdafb76 in nsDll::Shutdown (this=this@entry=0xc349f0) at /.../VirtualBox-5.0.20/src/libs/xpcom18a4/xpcom/components/xcDll.cpp:392
#11 0x00007fbdcfdb099f in nsFreeLibrary (dll=0xc349f0, serviceMgr=<optimized out>, when=3) at /.../VirtualBox-5.0.20/src/libs/xpcom18a4/xpcom/components/nsNativeComponentLoader.cpp:296
#12 0x00007fbdcfdb0a09 in nsFreeLibraryEnum (aKey=<optimized out>, aData=<optimized out>, closure=<optimized out>)
    at /.../VirtualBox-5.0.20/src/libs/xpcom18a4/xpcom/components/nsNativeComponentLoader.cpp:369
#13 0x00007fbdcfd9414b in hashEnumerate (table=table@entry=0xc217c8, hdr=hdr@entry=0xc22800, i=i@entry=2, arg=arg@entry=0x7ffdf4e1ccc0)
    at /.../VirtualBox-5.0.20/src/libs/xpcom18a4/xpcom/ds/nsHashtable.cpp:131
#14 0x00007fbdcfd98f7d in VBoxNsplPL_DHashTableEnumerate (table=0xc217c8, etor=0x7fbdcfd94136 <hashEnumerate(PLDHashTable*, PLDHashEntryHdr*, PRUint32, void*)>, arg=0x7ffdf4e1ccc0)
    at /.../VirtualBox-5.0.20/src/libs/xpcom18a4/xpcom/ds/pldhash.c:675
#15 0x00007fbdcfd94796 in nsHashtable::Enumerate (this=0xc217b8, aEnumFunc=aEnumFunc@entry=0x7fbdcfdb09e3 <nsFreeLibraryEnum(nsHashKey*, void*, void*)>, aClosure=aClosure@entry=0x7ffdf4e1ccf0)
    at /.../VirtualBox-5.0.20/src/libs/xpcom18a4/xpcom/ds/nsHashtable.cpp:319
#16 0x00007fbdcfdb0a37 in nsNativeComponentLoader::UnloadAll (this=<optimized out>, aWhen=<optimized out>)
    at /.../VirtualBox-5.0.20/src/libs/xpcom18a4/xpcom/components/nsNativeComponentLoader.cpp:1035
#17 0x00007fbdcfdb71a1 in nsComponentManagerImpl::UnloadLibraries (this=this@entry=0xc14ed0, serviceMgr=serviceMgr@entry=0x0, aWhen=aWhen@entry=3)
    at /.../VirtualBox-5.0.20/src/libs/xpcom18a4/xpcom/components/nsComponentManager.cpp:3091
#18 0x00007fbdcfdb7298 in nsComponentManagerImpl::Shutdown (this=0xc14ed0) at /.../VirtualBox-5.0.20/src/libs/xpcom18a4/xpcom/components/nsComponentManager.cpp:888
#19 0x00007fbdcfdedf11 in VBoxNsxpNS_ShutdownXPCOM (servMgr=<optimized out>) at /.../VirtualBox-5.0.20/src/libs/xpcom18a4/xpcom/build/nsXPComInit.cpp:933
#20 0x000000000040ee44 in com::Shutdown () at /.../VirtualBox-5.0.20/src/VBox/Main/glue/initterm.cpp:571
#21 0x0000000000404e52 in TrustedMain (argc=argc@entry=7, argv=<optimized out>, envp=envp@entry=0x7ffdf4e1f4a8)
    at /.../VirtualBox-5.0.20/src/VBox/Frontends/VBoxHeadless/VBoxHeadless.cpp:1340
#22 0x0000000000403419 in main (argc=7, argv=0xbf19f0, envp=0x7ffdf4e1f4a8) at /.../VirtualBox-5.0.20/src/VBox/Frontends/VBoxHeadless/VBoxHeadless.cpp:1372

Thread 1 (Thread 0x7fbdd0868700 (LWP 28924)):
#0  __GI___pthread_mutex_lock (mutex=0x0) at ../nptl/pthread_mutex_lock.c:66
#1  0x00007fbdcfdce1d0 in VBoxNsprPR_Lock (lock=0x0) at /.../VirtualBox-5.0.20/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptsynch.c:193
#2  0x00007fbdcfd8296c in nsExceptionService::DropThread (thread=0x7fbcf40008c0) at /.../VirtualBox-5.0.20/src/libs/xpcom18a4/xpcom/base/nsExceptionService.cpp:368
#3  0x00007fbdcfd82995 in nsExceptionService::ThreadDestruct (data=<optimized out>) at /.../VirtualBox-5.0.20/src/libs/xpcom18a4/xpcom/base/nsExceptionService.cpp:221
#4  0x00007fbdcfdd6db5 in _PR_DestroyThreadPrivate (self=self@entry=0x7fbcf4000910) at /.../VirtualBox-5.0.20/src/libs/xpcom18a4/nsprpub/pr/src/threads/prtpd.c:265
#5  0x00007fbdcfdcd2d2 in _pt_thread_death (arg=0x7fbcf4000910) at /.../VirtualBox-5.0.20/src/libs/xpcom18a4/nsprpub/pr/src/pthreads/ptthread.c:882
#6  0x00007fbdd04a3f82 in __nptl_deallocate_tsd () at pthread_create.c:158
#7  0x00007fbdd04a4197 in start_thread (arg=0x7fbdd0868700) at pthread_create.c:325
#8  0x00007fbdcf53737d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
#15567 fixed VBoxHeadless crash gim
Description

VBoxHeadless --comment ... --startvm f468d094-8232-4b29-8830-1ef4bf5c806a --vrde config

Some times crash happens:

Program terminated with signal SIGSEGV, Segmentation fault.
#0  TrustedMain (argc=argc@entry=7, argv=<optimized out>, envp=envp@entry=0x7ffd20a6dbd8) at /.../VirtualBox-5.0.20/src/VBox/Frontends/VBoxHeadless/VBoxHeadless.cpp:930
930             rc = virtualBox->FindMachine(Bstr(pcszNameOrUUID).raw(), m.asOutParam());

(gdb) bt
#0  TrustedMain (argc=argc@entry=7, argv=<optimized out>, envp=envp@entry=0x7ffd20a6dbd8) at /.../VirtualBox-5.0.20/src/VBox/Frontends/VBoxHeadless/VBoxHeadless.cpp:930
#1  0x0000000000403419 in main (argc=7, argv=0x22639f0, envp=0x7ffd20a6dbd8) at /.../VirtualBox-5.0.20/src/VBox/Frontends/VBoxHeadless/VBoxHeadless.cpp:1372

(gdb) list
925                     break;
926             }
927
928             ComPtr<IMachine> m;
929
930             rc = virtualBox->FindMachine(Bstr(pcszNameOrUUID).raw(), m.asOutParam());
931             if (FAILED(rc))
932             {
933                 LogError("Invalid machine name or UUID!\n", rc);
934                 break;

(gdb) print virtualBox
$13 = {m_p = 0x0}

(gdb) print pcszNameOrUUID
$14 = 0x226bbf0 "f468d094-8232-4b29-8830-1ef4bf5c806a"

I dont' really understand how it's possible, because in code below it has checks:

        rc = pVirtualBoxClient.createInprocObject(CLSID_VirtualBoxClient);
        if (FAILED(rc))
        {
        ...
        rc = pVirtualBoxClient->COMGETTER(VirtualBox)(virtualBox.asOutParam());
        if (FAILED(rc))
        {
        ...

May be some XPCOM magic?

#15566 worksforme VirtualBox 5.0.24 is not registering module on kernel 4.7-rc6 turneliusz
Description

Reporting compatibility problem with newest 4.7-rc6. Latest working version is 4.7-rc4.

[  148.178280] vboxdrv: Unknown symbol mod_timer_pinned (err 0)
[  148.178322] vboxdrv: Unknown symbol __get_vm_area (err 0)
[  148.178343] vboxdrv: Unknown symbol set_pages_nx (err 0)
[  148.178363] vboxdrv: Unknown symbol smp_call_function (err 0)
[  148.178398] vboxdrv: Unknown symbol map_vm_area (err 0)
[  148.178425] vboxdrv: Unknown symbol set_pages_x (err 0)
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