linux-kernel - Re: [BUG,2.6.28,s390] Fails to boot in Hercules S/390 emulator

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Message-ID: <20090324092354.62bfb91a@skybase>
Date:	Tue, 24 Mar 2009 09:23:54 +0100
From:	Martin Schwidefsky <schwidefsky@...ibm.com>
To:	John Stultz <johnstul@...ibm.com>
Cc:	Frans Pop <elendil@...net.nl>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-s390@...r.kernel.org, Roman Zippel <zippel@...ux-m68k.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [BUG,2.6.28,s390] Fails to boot in Hercules S/390 emulator -
 hang traced

On Mon, 23 Mar 2009 15:19:00 -0700
John Stultz <johnstul@...ibm.com> wrote:

> Fixing the divide issue avoids the problem (and is pretty important to
> get upstream), but the underlying issue that we allow ONESHOT clockevent
> mode to be used while the jiffies clocksource is in use is a concern.

The bug only appears on 31-bit if the kernel is compiled for a G5. All
current distros use at 64-bit kernels with a cpu >= z900. The severity
is relative .. but the bug fix is upstream and Greg picked it up for
his stable releases.

-- 
blue skies,
   Martin.

"Reality continues to ruin my life." - Calvin.

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