linux-kernel - Re: [PATCH] x86: fix app crashes after SMP resume

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Message-ID: <20080513172455.GA11774@beyonder.ift.unesp.br>
Date:	Tue, 13 May 2008 14:24:55 -0300
From:	"Carlos R. Mafra" <crmafra2@...il.com>
To:	Hugh Dickins <hugh@...itas.com>
Cc:	Glauber Costa <gcosta@...hat.com>,
	Glauber Costa <glommer@...il.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
	Theodore Ts'o <tytso@....edu>,
	"Rafael J. Wysocki" <rjw@...k.pl>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86: fix app crashes after SMP resume

On Tue 13.May'08 at 14:26:57 +0100, Hugh Dickins wrote:
> After resume on a 2cpu laptop, kernel builds collapse with a sed hang,
> sh or make segfault (often on 20295564), real-time signal to cc1 etc.
> [...] 
> Signed-off-by: Hugh Dickins <hugh@...itas.com>
> ---

I've tested it twice already in my P4 desktop (where the problem was
very frequent after "echo standby > /sys/power/state") and the
patch really fixed it!!

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