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Date: Tue, 13 May 2008 14:24:55 -0300
From: "Carlos R. Mafra" <crmafra2@gmail.com>
To: Hugh Dickins <hugh@veritas.com>
Cc: Glauber Costa <gcosta@redhat.com>, Glauber Costa <glommer@gmail.com>,
       Linus Torvalds <torvalds@linux-foundation.org>,
       Andrew Morton <akpm@linux-foundation.org>, Ingo Molnar <mingo@elte.hu>,
       "H. Peter Anvin" <hpa@zytor.com>, "Theodore Ts'o" <tytso@mit.edu>,
       "Rafael J. Wysocki" <rjw@sisk.pl>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] x86: fix app crashes after SMP resume
Message-ID: <20080513172455.GA11774@beyonder.ift.unesp.br>
Mail-Followup-To: Hugh Dickins <hugh@veritas.com>,
	Glauber Costa <gcosta@redhat.com>,
	Glauber Costa <glommer@gmail.com>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Ingo Molnar <mingo@elte.hu>, "H. Peter Anvin" <hpa@zytor.com>,
	Theodore Ts'o <tytso@mit.edu>, "Rafael J. Wysocki" <rjw@sisk.pl>,
	linux-kernel@vger.kernel.org
References: <Pine.LNX.4.64.0805131420030.5781@blonde.site>
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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@veritas.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!!