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Date: Sat, 17 Jan 2009 01:13:09 +0100 From: "Rafael J. Wysocki" <rjw@...k.pl> To: Mike Travis <travis@....com> Cc: Pavel Machek <pavel@...e.cz>, Jeff Chua <jeff.chua.linux@...il.com>, kernel list <linux-kernel@...r.kernel.org>, "H. Peter Anvin" <hpa@...or.com> Subject: Re: 2.6.29-rc1: thinkpad problems during resume On Saturday 17 January 2009, Mike Travis wrote: > Rafael J. Wysocki wrote: > > 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 > > Note that these don't really fix anything, just replaces the current > method of using set_cpus_allowed with the work_on_cpu call. If > the laptop worked before the [bad] patch, then it should work again > now with this one. Thanks for the clarification, I misread the changelogs. OK, so we still have a cpufreq vs CPU hotplug problem, it seems. I can't reproduce it myself, though. Thanks, Rafael -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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