linux-kernel - Re: cpu hotplug support broken in 2.6.23-rc3

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Date:	Mon, 03 Sep 2007 14:35:17 +0200
From:	Thomas Gleixner <tglx@...utronix.de>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Pavel Machek <pavel@....cz>, Jeff Chua <jeff.chua.linux@...il.com>,
	rusty@...tycorp.com.au, vatsa@...ibm.com, zwane@....linux.org.uk,
	kernel list <linux-kernel@...r.kernel.org>
Subject: Re: cpu hotplug support broken in 2.6.23-rc3

On Mon, 2007-09-03 at 12:19 +0200, Rafael J. Wysocki wrote:
> > Ok, so it gets weirder. I have now machine in "hung" state; other
> > consoles still work, but there are no timers -  sleep 1 hangs forever.
> > 
> > sysrq-t shows kstopmachine hung in hrtimer_try_to_cancel.
> > 
> > So I indeed suspect difference-in-kconfig to trigger this, and will
> > try disabling noidlehz.
> 
> I would unset CONFIG_HIGH_RES_TIMERS for starters.
> 
> Well, I guess Thomas should know about that. ;-)

What was the last known to work version ?

	tglx


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