linux-kernel - Re: 2.6.21rc suspend to ram regression on Lenovo X60

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Message-ID: <20070315200012.GA5574@redhat.com>
Date:	Thu, 15 Mar 2007 16:00:12 -0400
From:	Dave Jones <davej@...hat.com>
To:	Jeremy Fitzhardinge <jeremy@...p.org>
Cc:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Greg Kroah-Hartman <gregkh@...e.de>
Subject: Re: 2.6.21rc suspend to ram regression on Lenovo X60

On Thu, Mar 15, 2007 at 12:45:20PM -0700, Jeremy Fitzhardinge wrote:
 > Dave Jones wrote:
 > > I just did a build of top of tree, including those commits, and
 > > it's still broken.  Booting with pci=nomsi no longer 'fixes' it
 > > though, which may indicate that the MSI changes were a red herring.
 > > (Or that the subsequent changes have regressed it even more,
 > >  which seems unlikely looking at the changes).
 > >   
 > 
 > I just found the same thing on my X60.  Current top-of-tree with
 > pci=nomsi does not improve things.  When it resumes, the CPU is working
 > (capslock toggles, sysreq-b reboots), but the screen is blank.

Yeah, I noticed the capslock works.  Networking doesn't come back up
though, and it doesn't seem to answer to command that I type blindly.
Even trying to do something like..

pm-suspend ; dmesg >dmesg.out; /sbin/reboot

doesn't seem to execute the commands on resume.

Switching tty's to X with alt-f7 seems to lock it up to the point that
even capslock doesn't work any more.


I'll try and hook up a usb serial cable and see if I'm lucky enough
to get something useful out of it in the absense of a serial port..

	Dave

-- 
http://www.codemonkey.org.uk
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