From owner-freebsd-current  Thu May 13 20:46:44 1999
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Date: Fri, 14 May 1999 05:46:37 +0200
From: Philipp Mergenthaler <un1i@rz.uni-karlsruhe.de>
To: Luoqi Chen <luoqi@watermarkgroup.com>
Cc: current@freebsd.org
Subject: Re: Today's kernel crashes on starting X
References: <199905140217.WAA29252@lor.watermarkgroup.com>
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> > This also fixes the panic that I got with mfs_mount:
> > (with "options MFS" in the config file, 'cvsup'ed at May 13th 19:43 UTC)
> > 
> > Fatal trap 12: page fault while inkernel mode
> > fault virtual address	= 0x9d19fd34
> > fault code		= supervisor read, page not present
> > instruction pointer	= 0x8:0xc016f7a0
[...]
> > current process		= 38 (mount_mfs)
[...]
> > db> trace
> > checkalias(c4478980, ff00, 0) at checkalias+0x150
> > mfs_mount(c08a3e00, bfbfde98, bfbfd7ac, c494cea0, c44804c0) at mfs_mount+0x132
> > mount(c44804c0, c494cf80,0,80691e0,2000) at mount+0x50e

> This was due to a kludge in mfs implementation. Try change NUMCDEV in
> kern_conf.c to 255.
> -lq

Ok, with this fix MFS works (with "#define DEVT_FASCIST 1" in kern_conf.c).

Bye, Philipp


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