linux-kernel - Re: CPA boot crash (was: [PATCH] [0/36] Great change_page

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Message-ID: <20080118153831.GA14851@elte.hu>
Date:	Fri, 18 Jan 2008 16:38:31 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Andi Kleen <ak@...e.de>
Cc:	linux-kernel@...r.kernel.org, tglx@...utronix.de,
	jbeulich@...ell.com, venkatesh.pallipadi@...el.com
Subject: Re: CPA boot crash (was: [PATCH] [0/36] Great change_page_attr
	patch series v3)


* Ingo Molnar <mingo@...e.hu> wrote:

> hm, i just found a failing 64-bit .config while testing your CPA 
> patchset:
> 
>  [    1.916541] CPA mapping 4k 0 large 2048 gb 0 x 0[0-0] miss 0
>  [    1.919874] Unable to handle kernel paging request at 000000000335aea8 RIP:
>  [    1.919874]  [<ffffffff8021d2d3>] change_page_attr+0x3/0x61
>  [    1.919874] PGD 0
>  [    1.919874] Oops: 0000 [1]
>  [    1.919874] CPU 0
> 
> config and full crash.log attached. Fully reproducible. I've also 
> pushed out the current x86.git with the new CPA bits included.

updated config attached. (the previous one ran through 'make oldconfig' 
on the upstream kernel so it lost its x86.git#mm entries)

	Ingo

View attachment "config" of type "text/plain" (39683 bytes)