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

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Message-Id: <200903171539.46695.elendil@planet.nl>
Date:	Tue, 17 Mar 2009 15:39:45 +0100
From:	Frans Pop <elendil@...net.nl>
To:	john stultz <johnstul@...ibm.com>
Cc:	linux-s390@...r.kernel.org, Roman Zippel <zippel@...ux-m68k.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [BUG,2.6.28,s390] Fails to boot in Hercules S/390 emulator

On Tuesday 17 March 2009, john stultz wrote:
> > For me 2.6.28.7 is rock solid with the two reverts. I've attached my
> > kernel config and my Hercules config. I think the critical thing in
> > my config may be the "TIMERINT 500" setting for Hercules, which is
> > somewhat similar to your "goes away if HZ is anything except 250"
> > observation.
>
> I'll have to checkout that option.

Note that I later established that changing it did not have any effect.

> Does changing HZ value or disabling NO_HZ change anything for your
> situation as well? 

If I change that from 250 to 300 the system boots fine. And also if I
switch to NO_HZ.
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