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Date:      Wed, 6 Oct 2004 11:51:25 -0400
From:      Brian Fundakowski Feldman <green@freebsd.org>
To:        Maxim Maximov <mcsi@mcsi.pp.ru>
Cc:        current@freebsd.org
Subject:   Re: NDIS/UMA related panic
Message-ID:  <20041006155125.GK47017@green.homeunix.org>
In-Reply-To: <41640976.7020004@mcsi.pp.ru>
References:  <41640976.7020004@mcsi.pp.ru>

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On Wed, Oct 06, 2004 at 07:04:22PM +0400, Maxim Maximov wrote:
> Hello.
> 
> 	System running kernel
> 
> FreeBSD ultra.domain 6.0-CURRENT FreeBSD 6.0-CURRENT #11: Fri Oct  1 
> 19:17:59 MSD 2004     mcsi@ultra.domain:/usr/obj/usr/src/sys/ULTRA  i386
> 
> 	is sometimes experiencing following panic on boot after ppp starts 
> 	and sends first packet to ndis0 (hand-transcribed):
> 
> kernel trap 12: page fault
> db> trace
> ntoskrnl_queue_dpc(0xdeadc0de, 0, 0, 0, 0xd6b96330) +0x9
> ntoskrnl_timercall(0xc1fb51f0) +0x7a
> softclock(0) +0x17a
> ithread_loop
> fork_exit
> fork_trampoline
> 
> 	I'll update kernel and will re-post if the problem continues. I'm 
> posting this now because I think someone might be interested in seeing 
> 0xdeadc0de in stack trace.

That very much looks like an NDIS driver bug.  Did the vendor only provide
one version to try?  I wouldn't be surprised if NT has kernel code that
specifically tries to recover from timers going off that were stored in
memory that got freed (before they went off).

-- 
Brian Fundakowski Feldman                           \'[ FreeBSD ]''''''''''\
  <> green@FreeBSD.org                               \  The Power to Serve! \
 Opinions expressed are my own.                       \,,,,,,,,,,,,,,,,,,,,,,\



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