linux-kernel - [Regression] swsusp cannot find resume device (sometimes)

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Message-Id: <200901091324.43308.rjw@sisk.pl>
Date:	Fri, 9 Jan 2009 13:24:39 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Arjan van de Ven <arjan@...ux.intel.com>
Subject: [Regression] swsusp cannot find resume device (sometimes)

Hi,

There is a hibernation regression (from 2.6.28 and in fact from some later
2.6.28-git too) on my Toshiba Portege R500 that swsusp sometimes cannot find
its resume device.  Specifically, open_by_devnum() in swsusp_check()
(kernel/power/swap.c) fails.  This seems to happen at random, approximately
50% of the time.

I wonder if that might be caused by the Arjan's asynchrounous boot patches.

Thanks,
Rafael
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