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Date: Sun, 11 Mar 2007 09:40:10 GMT
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To: freebsd-bugs@FreeBSD.org
From: Kris Kennaway <kris@obsecurity.org>
Cc: 
Subject: Re: kern/109486: Kernel panic after floppy boot for 6.0 to 6.2
	upgrade
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The following reply was made to PR kern/109486; it has been noted by GNATS.

From: Kris Kennaway <kris@obsecurity.org>
To: Erich Schulman <iylan@bellsouth.net>
Cc: freebsd-gnats-submit@FreeBSD.org
Subject: Re: kern/109486: Kernel panic after floppy boot for 6.0 to 6.2 upgrade
Date: Sun, 11 Mar 2007 05:39:25 -0400

 On Sat, Feb 24, 2007 at 12:09:24PM +0000, Erich Schulman wrote:
 
 > FreeBSD galaxia 6.0-RELEASE FreeBSD 6.0-RELEASE #0: Thu Nov  3 09:36:13 UTC 2005     root@x64.samsco.home:/usr/obj/usr/src/sys/GENERIC  i386
 > 
 > >Description:
 > I initially installed 6.0 because I got a like problem with 6.1. Now that 6.2 is out, I tried to upgrade to it.
 > 
 > I get the following error:
 > 
 > Fatal trap 12: page fault while in kernel mode
 > fault virtual address = 0xb5
 > fault code = supervisor read, page not present
 > instruction pointer = 0x20:0xc07e2f88
 > stack pointer = 0x28:0xc1020b8c
 > frame pointer = 0x28:0xc1020b8c
 > code segment = base 0x0, limit 0xfffff, type 0x1b
 > = DPL 0, pres 1, def32 1, gran 1
 > processor eflags = interrupt enabled, resume, IOPL=0
 > current process = 0 ()
 > trap number = 12
 > panic: page fault
 > Uptime: 1s
 > 
 > This problem occurs with 6.1 and 6.2 boot floppies (text above from 6.2). The 6.0 boot floppies have always worked ok.
 > >How-To-Repeat:
 > Boot from the boot floppy and kern 1-3 floppies. When the menu arrives, allow default choice. Kernel panic occurs.
 
 You tried different floppies to rule out media errors, right?  If so,
 can you boot a 6.2 kernel that you install by hand?
 
 Kris