linux-kernel - 3.11-rc regression bisected: s2disk does not work (was Re: [PATCH v3 13/16] futex: use freezable blocking call)

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Message-ID: <20130723010250.5a3465ec@xenia.leun.net>
Date:	Tue, 23 Jul 2013 01:02:50 +0200
From:	Michael Leun <lkml20130126@...ton.leun.net>
To:	Colin Cross <ccross@...roid.com>
Cc:	linux-kernel@...r.kernel.org, Pavel Machek <pavel@....cz>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Mandeep Singh Baines <msb@...omium.org>,
	Oleg Nesterov <oleg@...hat.com>, linux-nfs@...r.kernel.org,
	linux-pm@...r.kernel.org, netdev@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Tejun Heo <tj@...nel.org>,
	Darren Hart <dvhart@...ux.intel.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Randy Dunlap <rdunlap@...radead.org>,
	Al Viro <viro@...iv.linux.org.uk>
Subject: 3.11-rc regression bisected: s2disk does not work (was Re: [PATCH
 v3 13/16] futex: use freezable blocking call)

On Mon,  6 May 2013 16:50:18 -0700
Colin Cross <ccross@...roid.com> wrote:

> Avoid waking up every thread sleeping in a futex_wait call during
[...]

With 3.11-rc s2disk from suspend-utils stopped working: Frozen at
displaying 0% of saving image to disk.

echo "1" >/sys/power/state still works.

Bisecting yielded 88c8004fd3a5fdd2378069de86b90b21110d33a4, reverting
that from 3.11-rc2 makes s2disk working again.

-- 
MfG,

Michael Leun

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