linux-kernel - Re: [PATCH 00 of 11] x86: separate pmd lifetime from pgd

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Message-ID: <20080128151753.GA14451@elte.hu>
Date:	Mon, 28 Jan 2008 16:17:53 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	LKML <linux-kernel@...r.kernel.org>, Andi Kleen <ak@...e.de>,
	Jan Beulich <jbeulich@...ell.com>,
	Eduardo Pereira Habkost <ehabkost@...hat.com>,
	Ian Campbell <ijc@...lion.org.uk>,
	H Peter Anvin <hpa@...or.com>
Subject: Re: [PATCH 00 of 11] x86: separate pmd lifetime from pgd


* Jeremy Fitzhardinge <jeremy@...p.org> wrote:

> This series addresses various cleanups in pagetable allocation in the 
> direction of unifying 32/64 bits (that's still a while off yet).

hm, i tried this, and got an early crash:

[   29.389844] VFS: Mounted root (ext3 filesystem) readonly.
[   29.389872] debug: unmapping init memory c0b03000..c0b6f000
[   29.440139] PM: Adding info for No Bus:vcs1
[   29.463676] khelper used greatest stack depth: 2404 bytes left
[   29.467238] PM: Adding info for No Bus:vcsa1
[   29.541785] PANIC: double fault, gdt at c1d16000 [255 bytes]
[   29.541785] double fault, tss at c1d19100
[   29.541785] eip = c011fa95, esp = c3bf6000
[   29.541785] eax = c3bf6010, ebx = c0b6fc08, ecx = 0000007b, edx = 00000000
[   29.541785] esi = f76a7df4, edi = c011fa90

i think it's one of your patches :) Bisecting it down to the right one 
now. Config attached.

	Ingo

View attachment "config" of type "text/plain" (45792 bytes)