linux-kernel - 2.6.25-rc7/8: Another resume regression

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Date:	Thu, 03 Apr 2008 15:06:20 -0400
From:	Mark Lord <lkml@....ca>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	LKML <linux-kernel@...r.kernel.org>, Adrian Bunk <bunk@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>, david-b@...bell.net,
	oliver@...kum.org, Alan Stern <stern@...land.harvard.edu>
Subject: 2.6.25-rc7/8: Another resume regression

Hi,

Okay, USB now works fine on resume after fixing the iaa_watchdog issue.

But twice now, once before that fix, and again just a minute ago,
my machine has failed completely to resume after suspend-to-RAM.

Again, resume here is 100% reliable in 2.6.24 and earlier.

Symptoms: the usual:

  -- 2.6.25-rc8 (and -rc7 earlier), plus USB fix.
  -- not reproduceable on demand.
  -- black screen of death -- no backlight, no kernel messages.
  -- no hard drive activity.
  -- no alt-sysrq-anything.
  -- 5 second hold of the power button to poweroff and then recover.

Not much info to go on, but it's worth knowing there's an issue here somewhere.

Cheers
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