From owner-freebsd-current  Wed May 12  8: 6:46 1999
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Date: Wed, 12 May 1999 11:05:23 -0400 (EDT)
From: Luoqi Chen <luoqi@watermarkgroup.com>
Message-Id: <199905121505.LAA12106@lor.watermarkgroup.com>
To: current@FreeBSD.ORG, gmarco@giovannelli.it
Subject: Re:  panic ! panic ! panic !
Sender: owner-freebsd-current@FreeBSD.ORG
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X-Loop: FreeBSD.ORG

> After make world this morning I received this panic :
> 
> Fatal trap 12: page fault while in kernel mode
> fault virtual address = 0x14
> fault code = supervisor read, page not present
> instruction pointer = 0x8:0xc0155ca4
> stack pointer = 0x10:0xc6864d64
> frame pointer = 0x10:0xc6864d78
> code segment = base 0x0, limit 0xfffff, type 0x1b
>               = DPL0, pres 1, def32 1, gran 1
> processor eflags = interrupt enabled, resume , IOPL=0
> current process = 374 (screen-3.7.6)
> interrupt mask = tty
> trap number = 12
> panic: page fault
> 
> I receive this panic with "screen", but before I kept this box resetting
> itself trying to enter in X... and I was trying Xfree 3.3.3.1 (recompiled
> and reinstalled) SVGA, Metrolink and Xaccel 5.0 . But I could not seen the
> panic probably due to X loading. 
> 
Could you show us the symbols around the faulting instruction at 0xc0155ca4?
It would be even better if you have a crash dump and the gdb backtrace.

-lq


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