linux-kernel - Re: PROBLEM: Can't boot a (HZ = 1000) kernel using an AMD Phenom-II processor

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Message-ID: <20090220160843.GF4834@alberich.amd.com>
Date:	Fri, 20 Feb 2009 17:08:43 +0100
From:	Andreas Herrmann <andreas.herrmann3@....com>
To:	Mark Hounschell <dmarkh@....rr.com>
CC:	Borislav Petkov <borislav.petkov@....com>,
	Mark Hounschell <markh@...pro.net>,
	john stultz <johnstul@...ibm.com>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: PROBLEM: Can't boot a (HZ = 1000) kernel using an AMD
	Phenom-II processor

On Fri, Feb 20, 2009 at 10:43:03AM -0500, Mark Hounschell wrote:
> Andreas Herrmann wrote:
> > On Thu, Feb 19, 2009 at 10:54:19AM -0500, Mark Hounschell wrote:
> >> Borislav Petkov wrote:
> >>> On Thu, Feb 19, 2009 at 10:16:40AM -0500, Mark Hounschell wrote:
> >>>> Andreas Herrmann wrote:
> >>>>> Hi Mark,
> >>>>>
> >>>>> Can you please provide us output of lspci -vvxxx.
> >>>>> (Please run this as root.)
> >>>>>
> >> Attached...
> >>
> >>
> >>>>> Furthermore you can try booting your 1000HZ kernel
> >>>>> with following kernel command lines:
> >>>>>
> > 
> > Thanks for trying this out.
> > But nothing suspicious found. I.e. timer/hpet interrupt is enabled
> > and its routing seems to be ok.
> > 
> > Here's one more check that's worth trying: In one of your logs I've
> > seen that HPET id reports 3 timers but later on 4 timers were detected
> > for HPET.
> > 
> > To check what's going on I'd like to see the HPET configuration in the
> > course of booting your system.  Please apply attached patch and boot
> > with hpet=debug -- both with 250HZ and with 1000HZ -- and provide dmesg
> > output.
> > 
> > 
> 
> Here is the short 1000Hz bootlog. I'm afraid non of your debug output made it
> out however.

Sigh.

> I thought it was because it just wasn't getting that far but
> looking at the 250Hz log I don't see any there either???


> The patch applied (with fuz) to both kernel sources and I built/installed them
> from clean. I don't find any messages starting with "hpet:" in either trace???

Your 250HZ kernel was built on Feb, 2nd, right?
So the patch wasn't applied I guess, no?

> Linux version 2.6.28.3-1000Hz (root@...ley) (gcc version 4.3.1 20080507
> (prerelease) [gcc-4_3-branch revision 135036] (SUSE Linux) ) #7 SMP PREEMPT Fri Feb
> 20 09:01:29 EST 2009

I assume the patch was aplied.

> Linux version 2.6.28.3-250Hz (root@...ley) (gcc version 4.3.1
> 20080507 (prerelease) [gcc-4_3-branch revision 135036] (SUSE Linux)
> ) #7 SMP PREEMPT Fri Feb 2 0 09:01:54 EST 2009

Here I doubt that's the right kernel -- at least it was not built today.
Can you please double check this.


Regards,

Andreas

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