linux-kernel - Re: Crash (ext3 ) during 2.6.29-rc6 boot

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Date:	Thu, 26 Feb 2009 18:40:31 +0100 (CET)
From:	Geert Uytterhoeven <Geert.Uytterhoeven@...ycom.com>
To:	Mark Nelson <markn@....ibm.com>
cc:	linuxppc-dev@...abs.org, Jan Kara <jack@....cz>,
	Jan Kara <jack@...e.cz>, Mel Gorman <mel@....ul.ie>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Paul Mackerras <paulus@...ba.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-ext4@...r.kernel.org
Subject: Re: Crash (ext3 ) during 2.6.29-rc6 boot

On Thu, 26 Feb 2009, Mark Nelson wrote:
> On Thu, 26 Feb 2009 09:45:41 am Mark Nelson wrote:
> > On Thu, 26 Feb 2009 12:31:20 am Geert Uytterhoeven wrote:
> > > On Wed, 25 Feb 2009, Mark Nelson wrote:
> > > > Does the following patch fix the errors you're seeing? (it applies the
> > > > same fix as the previous patch but this time to copy_tofrom_user, which
> > > > I updated in a4e22f02f5b6518c1484faea1f88d81802b9feac)
> > > 
> > > Thanks, but I still get crashes in copy_page_range().
> > 
> > Hmmm... I'm out of ideas for the moment, but thanks for testing anyway!
> 
> If you revert both 25d6e2d7c58ddc4a3b614fc5381591c0cfe66556 and
> a4e22f02f5b6518c1484faea1f88d81802b9feac, does it help? You could also
> try to revert 57dda6ef5bd5b9e60410477ad29e654097e2cca1 just in case I
> need to keep wearing the brown paper bag for a bit longer :)

Still doesn't help.

However, I noticed I never enabled CONFIG_DEBUG_PAGEALLOC before 2.6.29-rc5.
So far I tried 2.6.2[5-8], and they all crash with CONFIG_DEBUG_PAGEALLOC.
I guess it never actually worked on PS3.

With kind regards,

Geert Uytterhoeven
Software Architect

Sony Techsoft Centre Europe
The Corporate Village · Da Vincilaan 7-D1 · B-1935 Zaventem · Belgium

Phone:    +32 (0)2 700 8453
Fax:      +32 (0)2 700 8622
E-mail:   Geert.Uytterhoeven@...ycom.com
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