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@lwhsu
Created September 18, 2014 16:26
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panic: mutex Giant owned at /usr/src/sys/kern/kern_synch.c:443
cpuid = 1
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe009752cfc0
kdb_backtrace() at kdb_backtrace+0x39/frame 0xfffffe009752d070
vpanic() at vpanic+0x126/frame 0xfffffe009752d0b0
panic() at panic+0x43/frame 0xfffffe009752d110
__mtx_assert() at __mtx_assert+0xd4/frame 0xfffffe009752d120
mi_switch() at mi_switch+0x8a/frame 0xfffffe009752d190
sleepq_switch() at sleepq_switch+0x165/frame 0xfffffe009752d1f0
sleepq_wait() at sleepq_wait+0x43/frame 0xfffffe009752d220
rtR0SemEventMultiBsdWait() at rtR0SemEventMultiBsdWait+0x3d9/frame 0xfffffe009752d280
VBoxGuest_RTSemEventMultiWaitEx() at VBoxGuest_RTSemEventMultiWaitEx+0x9/frame 0xfffffe009752d290
VBoxGuest_RTSemEventMultiWait() at VBoxGuest_RTSemEventMultiWait+0x20/frame 0xfffffe009752d2b0
_ZL36VBoxGuestHGCMAsyncWaitCallbackWorkerPV23VMMDevHGCMRequestHeaderP15VBOXGUESTDEVEXTbj() at _ZL36VBoxGuestHGCMAsyncWaitCallbackWorkerPV23VMMDevHGCMRequestHeaderP15VBOXGUESTDEVEXTbj+0x120/frame 0xfffffe0
09752d2f0
_ZL30VBoxGuestHGCMAsyncWaitCallbackP23VMMDevHGCMRequestHeaderPvj() at _ZL30VBoxGuestHGCMAsyncWaitCallbackP23VMMDevHGCMRequestHeaderPvj+0x44/frame 0xfffffe009752d320
VbglR0HGCMInternalConnect() at VbglR0HGCMInternalConnect+0xa1/frame 0xfffffe009752d360
VBoxGuestCommonIOCtl() at VBoxGuestCommonIOCtl+0xa9d/frame 0xfffffe009752d430
VBoxGuestIDCCall() at VBoxGuestIDCCall+0x94/frame 0xfffffe009752d480
_Z15vbglDriverIOCtlP11_VBGLDRIVERjPvj() at _Z15vbglDriverIOCtlP11_VBGLDRIVERjPvj+0x5b/frame 0xfffffe009752d4c0
VbglHGCMConnect() at VbglHGCMConnect+0x5c/frame 0xfffffe009752d500
vboxConnect() at vboxConnect+0x65/frame 0xfffffe009752d5c0
sfprov_connect() at sfprov_connect+0x24/frame 0xfffffe009752d5e0
sfprov_mount() at sfprov_mount+0xb2/frame 0xfffffe009752d620
vboxfs_mount() at vboxfs_mount+0x2dd/frame 0xfffffe009752d7b0
vfs_donmount() at vfs_donmount+0xd3f/frame 0xfffffe009752da70
sys_nmount() at sys_nmount+0x14e/frame 0xfffffe009752dac0
amd64_syscall() at amd64_syscall+0x2b3/frame 0xfffffe009752dbf0
Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe009752dbf0
--- syscall (378, FreeBSD ELF64, sys_nmount), rip = 0x80088f07a, rsp = 0x7fffffffd998, rbp = 0x7fffffffeb70 ---
KDB: enter: panic
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