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Date:      Tue, 21 Feb 2012 14:02:36 -0800
From:      Doug Barton <dougb@FreeBSD.org>
To:        decke@FreeBSD.org
Cc:        freebsd-emulation@FreeBSD.org, FreeBSD ports list <freebsd-ports@FreeBSD.org>, Andriy Gapon <avg@freebsd.org>
Subject:   Virtualbox 4.1.8 vboxdrv instantly panics on 8-stable i386
Message-ID:  <4F44147C.8050905@FreeBSD.org>

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Howdy,

I had the previous version of virtualbox working just fine on my
up-to-date 8-stable i386 system, and upgraded to 4.1.8 today. When I
attempt to load vboxdrv it instantly panics my system:

panic: vm_object_deallocate: object deallocated too many times: 4
cpuid = 1
KDB: stack backtrace:
db_trace_self_wrapper(c08f2883,1,c118de58,1,c7c08e58,...) at
db_trace_self_wrapper+0x26
kdb_backtrace(c0918c49,1,c091164e,eacfb8ac,1,...) at kdb_backtrace+0x2a
panic(c091164e,4,c09112d7,1e9,0,...) at panic+0x117
vm_object_deallocate(c7c08e58,e8ba3000,e8ba5000,0,eacfb918,...) at
vm_object_deallocate+0x347
FreeBSDAllocHelper(1,3,0,2000,0,...) at FreeBSDAllocHelper+0x11e
rtR0MemObjNativeAllocCont(c6731b20,2000,0,c672a5b2,1,...) at
rtR0MemObjNativeAllocCont+0x56
supdrvInitDevExt(c6731ae0,33c,7a,c740b380,c67315e8,...) at
supdrvInitDevExt+0xdd
VBoxDrvFreeBSDModuleEvent(c740b380,0,0,75,0,...) at
VBoxDrvFreeBSDModuleEvent+0x46
module_register_init(c67315e8,0,c08ebecc,e7,0,...) at
module_register_init+0xa7
linker_load_module(0,eacfbc34,c08ebecc,3fa,0,...) at
linker_load_module+0xa05
kern_kldload(c7bd3580,c62e4800,eacfbc5c,0,c7befac0,...) at kern_kldload+0xca
kldload(c7bd3580,eacfbcec,0,c,246,...) at kldload+0x74
syscall(eacfbd28) at syscall+0x270
Xint0x80_syscall() at Xint0x80_syscall+0x21
--- syscall (304, FreeBSD ELF32, kldload), eip = 0x280d69fb, esp =
0xbfbfe70c, ebp = 0xbfbfebf8 ---
KDB: enter: panic


Full core.text.2 is at freefall:~dougb/


-- 

	It's always a long day; 86400 doesn't fit into a short.

	Breadth of IT experience, and depth of knowledge in the DNS.
	Yours for the right price.  :)  http://SupersetSolutions.com/




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