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Date: Fri, 17 Nov 2006 14:31:28 +0100
From: Ingo Molnar <mingo@elte.hu>
To: linux-kernel@vger.kernel.org
Cc: Andrew Morton <akpm@osdl.org>,
       Wolfgang Erig <Wolfgang.Erig@fujitsu-siemens.com>,
       Andreas Friedrich <andreas.friedrich@fujitsu-siemens.com>,
       Adrian Bunk <bunk@stusta.de>, Greg Kroah-Hartman <gregkh@suse.de>,
       Linus Torvalds <torvalds@osdl.org>
Subject: Re: [patch] i386/x86_64: ACPI cpu_idle_wait() fix
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* Ingo Molnar <mingo@elte.hu> wrote:

> The scheduler on Andreas Friedrich's hyperthreading system stopped 
> working properly as of 2.6.18: the scheduler would never move tasks to 
> another CPU!

correction: the last known working kernel was 2.6.8. The bug predates 
our GIT history so it's older than 1.5 years.

	Ingo