linux-kernel - Odd suspend regression in 2.6.21-rc[123]

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Date:	Thu, 08 Mar 2007 21:02:00 -0500
From:	Ray Lee <ray-lk@...rabbit.org>
To:	Adrian Bunk <bunk@...sta.de>, LKML <linux-kernel@...r.kernel.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: Odd suspend regression in 2.6.21-rc[123]

Hey there,

In 2.6.21-rc1,2,3, my laptop will fully suspend to ram, but then
*immediately* resumes back from suspension. (It resumes just fine, as well.)

Nothing out of the ordinary is logged, and this happens even when
booting into init=/bin/sh with minimal modules loaded and executing
s2ram from that minimal environment.

I'm going to ponder the 2.6.20 to 2.6.21-rc1 changelog, but I'm hoping
someone with a clue can offer a suggestion before I end up bisecting the
whole thing. (Wouldn't be so bad, except I'm given to understand that
there are multiple places in those changes where nothing quite works
with respect to suspend.)

HP/Compaq NX6125 system, AMD64, dmesg attached.

Ray

View attachment "2.6.20-rc3.dmesg" of type "text/plain" (97795 bytes)