linux-kernel - Regression 2.6.28-git: suspend/resume failure. git bisected to usb suspend/resume patch

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Message-Id: <200901111348.46216.borntraeger@de.ibm.com>
Date:	Sun, 11 Jan 2009 13:48:46 +0100
From:	Christian Borntraeger <borntraeger@...ibm.com>
To:	Alan Stern <stern@...land.harvard.edu>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Greg Kroah-Hartman <gregkh@...e.de>, linux-usb@...r.kernel.org
Subject: Regression 2.6.28-git: suspend/resume failure. git bisected to usb suspend/resume patch

Hello Alan,

git bisect found this patch 

a0d4922da2e4ccb0973095d8d29f36f6b1b5f703 is first bad commit
commit a0d4922da2e4ccb0973095d8d29f36f6b1b5f703
Author: Alan Stern <stern@...land.harvard.edu>
Date:   Wed Dec 17 15:06:03 2008 -0500

    USB: fix up suspend and resume for PCI host controllers

    This patch (as1192) rearranges the USB PCI host controller suspend and
    resume and resume routines:

To cause my suspend to ram problem with my Thinkpad T61p.
I can confirm that 
a81a81a25d3ecdab777abca87c5ddf484056103d works
and a0d4922da2e4ccb0973095d8d29f36f6b1b5f703  does not work.

Thing is, 29-rc1 with a0d4922da2e4ccb0973095d8d29f36f6b1b5f703  reverted also 
fails with suspend/resume. Seems that there was another problem introduced 
after that patch.

Anyway, back to usb: I also tested plain 2.6.28 + this patch:
plain 2.6.28: works fine
2.6.28 + this patch: does not work.

Christian
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