linux-kernel - Re: 2.6.29-rc1: thinkpad problems during resume

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Date:	Fri, 16 Jan 2009 23:06:11 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Pavel Machek <pavel@...e.cz>
Cc:	Jeff Chua <jeff.chua.linux@...il.com>,
	kernel list <linux-kernel@...r.kernel.org>,
	"H. Peter Anvin" <hpa@...or.com>, Mike Travis <travis@....com>
Subject: Re: 2.6.29-rc1: thinkpad problems during resume

On Friday 16 January 2009, Pavel Machek wrote:
> On Tue 2009-01-13 23:21:17, Jeff Chua wrote:
> > On Tue, Jan 13, 2009 at 10:36 PM, Pavel Machek <pavel@...e.cz> wrote:
> > > resumes fine with CONFIG_SMP unset.
> > 
> > On my X60s, I had problem with s2ram, and I switch to the following ...
> > 
> > echo mem > /sys/power/state
> > 
> > Try and see if it works for you.
> 
> I tried that; unlike s2ram, this actually produces some oopses that
> can be viewed. Unfortunately, they scroll a bit too fast.
> 
> cpu hotplug vs. cpufreq seems to be responsible in my case, looking at
> the logs from "echo 1 > online".

There are three patches from Mike Travis that can help:
http://lkml.org/lkml/2009/1/16/377

Thanks,
Rafael
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