linux-kernel - Re: [PATCH] Re: AMD Mobile Semprons (3500+, 3600+,...) break with nohz and highres enabled

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Message-ID: <alpine.LFD.1.10.0807171211310.4316@apollo.tec.linutronix.de>
Date:	Thu, 17 Jul 2008 12:51:37 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Richard <tuxbox.guru@...il.com>
cc:	Thomas Renninger <trenn@...e.de>, Ingo Molnar <mingo@...e.hu>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	"andreas.herrmann3" <andreas.herrmann3@....com>,
	eumaster@...il.com, uli.geins@...ns-web.de
Subject: Re: [PATCH] Re: AMD Mobile Semprons (3500+, 3600+,...) break with
 nohz and highres enabled

On Thu, 17 Jul 2008, Richard wrote:
> Thomas Renninger wrote:
> > I have no idea.
> > Richard's last message:
> > "I can help out as needed, just a work deadline I have to meet so I haven't
> > been able to dig further.  Just point me in the direction and I'll gladly be
> > someones hands on the beastly machine"
> > 
> > has silently be ignored.

Sorry, was not on my radar.

> > > Which chipset is involved here ? SB400/600 perhaps ?
> > >     
> > No, it is probably much older and I am pretty sure that it is not chipset
> > related, but related to the "Mobile" in the Mobile Sempron as this exactly
> > seem to hit 3500 and 3600 Mobile Sempron CPUs.
> > 
> > I can't help much further because:
> >   - I have not such a machine
> >   - I don't know these parts. I hoped to get some hints to help these guys
> > 
> >        Thomas
> > 
> >   
> Hi All,
> 
> I am still available to hack away :-) I would also like to get this bug
> resolved but I feel I am out of my depth with this problem. (Embedded
> PowerPC's are my toys)
>
> As a quick test, I grabbed the 2.6.26 kernel and built it... but
> alas, it broke... well, from my ill-educated guess, it looked like
> acpid done something and the machine shut down.

ouch.

I read the whole thread and also checked the suse bugzilla, which
confuses the hell out of me as there is reported that kubuntu with
2.6.24 works and everything suse > 2.6.20 does not.

Can you please tell me the symptoms of vanilla 2.6.25 without nohz=off
on the kernel command line ?

Thanks,

	tglx
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