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Date: 24 May 2014 19:09:27 -0000
From: Colin Percival <cperciva@freebsd.org>
Reply-To: Colin Percival <cperciva@freebsd.org>
To: FreeBSD-gnats-submit@freebsd.org
Cc:
Subject: [panic][vbox] vm_page_insert: page already inserted
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X-GNATS-Notify:

>Number:         190184
>Category:       kern
>Synopsis:       [panic][vbox] vm_page_insert: page already inserted
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:
>Keywords:
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sat May 24 19:30:01 UTC 2014
>Closed-Date:
>Last-Modified:
>Originator:     Colin Percival
>Release:        FreeBSD 9.2-STABLE
>Organization:
>Environment:

Panic seen by sysutils/panicmail: 5 panics, 2 hosts.

Affected kernels:
	FreeBSD 9.2-STABLE r264299M
	FreeBSD 9.2-STABLE r264302M

>Description:
Panic String: vm_page_insert: page already inserted

#2  0xffffffff808ffa47 in panic (fmt=0x1 <Address 0x1 out of bounds>)
    at /stub/src/sys/kern/kern_shutdown.c:642
#3  0xffffffff80bdde24 in vm_page_insert (m=0xfffffe007e1797f8, 
    object=0xfffffe003b23a658, pindex=4089) at /stub/src/sys/vm/vm_page.c:915
#4  0xffffffff819586d0 in rtR0MemObjFreeBSDContigPhysAllocHelper ()
   from /boot/modules/vboxdrv.ko
#5  0xffffffff81958796 in rtR0MemObjFreeBSDPhysAllocHelper ()
   from /boot/modules/vboxdrv.ko

Earlier stacks:
3x	rtR0MemObjFreeBSDAllocPhysPages, rtR0MemObjNativeAllocPhysNC
1x	rtR0MemObjFreeBSDAllocHelper, rtR0MemObjNativeAllocLow

>How-To-Repeat:
>Fix:

No idea.  Probably either a problem in vboxdrv.ko or a problem in 9.2-STABLE,
since all panic reports involve both of these.
>Release-Note:
>Audit-Trail:
>Unformatted:
