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Date: Wed, 10 Nov 2004 08:10:30 GMT
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To: freebsd-bugs@FreeBSD.org
From: Chris Jones <cdjones@novusordo.net>
Subject: Re: misc/73757: vinum fails to load from rc.conf and kernel panics;
 works fine if started after boot
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The following reply was made to PR kern/73757; it has been noted by GNATS.

From: Chris Jones <cdjones@novusordo.net>
To: Ruslan Ermilov <ru@FreeBSD.org>
Cc: bug-followup@FreeBSD.org
Subject: Re: misc/73757: vinum fails to load from rc.conf and kernel panics;
 works fine if started after boot
Date: Wed, 10 Nov 2004 01:05:07 -0700

 Ruslan Ermilov wrote:
 > On Wed, Nov 10, 2004 at 03:43:55AM +0000, Chris Jones wrote:
 > 
 >>Fresh 5.3 install on a Dell Poweredge 750.  The ISIS kernel uses
 >>the same configuration as GENERIC --- I copied it over in hopes
 >>that a quick recompile might solve the problem below.  It didn't.
 >>
 >>When 'start_vinum="YES"' is in /etc/rc.conf, FreeBSD fails to
 >>boot, with the following error message:
 >>
 >>Fatal trap 12: page fault while in kernel mode
 >>fault virtual address   = 0x60
 >>fault code              = supervisor read, page not present
 >>instruction pointer     = 0x8:0xc05e8a2f
 >>stack pointer           = 0x10:0xe8172a1c
 >>frame pointer           = 0x10:0xe8172a1c
 >>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         = 643 (vinum)
 >>trap number             = 12
 >>panic: page fault
 >>
 > 
 > Please see http://www.FreeBSD.org/releases/5.3R/errata.html
 > for a workaround.
 
 
 Hi, Ruslan --- I tried adding 'vinum_load="YES"' into my 
 /boot/loader.conf, as errata.html suggests, but this didn't help with 
 getting vinum to load properly; I still got trap 12 on booting. 
 Unfortunately, I don't have the exact addresses for the {instruction, 
 stack, frame} pointers from that attempt handy at the moment, but I'll 
 send them your way as soon as possible.