From owner-freebsd-hackers  Wed Apr  3 20: 4:52 2002
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Date: Wed, 3 Apr 2002 20:03:27 -0800
From: David Greenman <dg@root.com>
To: Will Froning <wfroning@angui.sh>
Cc: hackers@freebsd.org
Subject: Re: Fatal trap 12: page fault while in kernel mode
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References: <20020403181854.I42720-100000@angui.sh>
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>Fatal trap 12: page fault while in kernel mode
>fault virtual address	= 0x70

>#12 0xc014f61d in panic ()
>#13 0xc025c02f in trap_fatal ()
>#14 0xc025bcdd in trap_pfault ()
>#15 0xc025b883 in trap ()
>#16 0xc0152220 in tsleep ()
>#17 0xc016abfe in m_clalloc_wait ()
>#18 0xc01c8b14 in nfs_realign ()
>#19 0xc01c9653 in nfsrv_rcv ()
>#20 0xc01701d0 in sowakeup ()
>#21 0xc01abd7c in udp_input ()
>#22 0xc01a1bfb in ip_input ()
>#23 0xc01a1c5b in ipintr ()

   This is basically telling you that there is a bug in the NFS code that is
incorrectly trying to do a "wait" type of allocation in an interrupt context,
which is not valid. You can't sleep when there is no process context.

-DG

David Greenman
Co-founder, The FreeBSD Project - http://www.freebsd.org
President, TeraSolutions, Inc. - http://www.terasolutions.com
President, Download Technologies, Inc. - http://www.downloadtech.com
Pave the road of life with opportunities.

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