linux-kernel - Re: [PATH 0/1] Kexec jump - v2 - the first step to kexec based hibernation

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Message-ID: <20070805185558.GE1758@elf.ucw.cz>
Date:	Sun, 5 Aug 2007 20:55:58 +0200
From:	Pavel Machek <pavel@....cz>
To:	"Huang, Ying" <ying.huang@...el.com>
Cc:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	nigel@...el.suspend2.net, "Rafael J. Wysocki" <rjw@...k.pl>,
	Jeremy Maitin-Shepard <jbms@....edu>,
	Alan Stern <stern@...land.harvard.edu>,
	Andrew Morton <akpm@...ux-foundation.org>, david@...g.hm,
	linux-kernel@...r.kernel.org, linux-pm@...ts.linux-foundation.org,
	Kexec Mailing List <kexec@...ts.infradead.org>
Subject: Re: [PATH 0/1] Kexec jump - v2 - the first step to kexec based hibernation

Hi!

> > root@amd:~# kexec -p /data/l/linux/arch/i386/boot/bzImage --append="init=/bin/bash kexec_jump_buf_pfn=`cat /sys/kernel/kexec_jump_buf_pfn`"
> > Could not find a free area of memory of 9000 bytes...
> > locate_hole failed
> > root@amd:~#
> > 
> > What am I doing wrong?
> 
> The kexec-tools version 1.101 does not work perfectly with relocatable
> kernel. This would have been solved if I worked against kexec-tools
> testing tree. I will work against testing tree in the next version.
> 
> But, with some trick, it can work. When configure kernel, make sure the
> following option is set:
> 
> CONFIG_PHYSICAL_START=0x4000000 # if crashkernel=<XX>M@64M

Did the trick, I got the kernel to load, and it even attempted
exec... but I got doublefault (or what is it?)

Int 6: ... EIP: c4739906. Address is in reserve_bootmem_core.

Do I have to disable ACPI completely? I tried with acpi=off,
nosmp... but problem does not seem device related.
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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