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

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Date:	Mon, 9 Feb 2009 15:18:41 +0100
From:	Borislav Petkov <borislav.petkov@....com>
To:	Mark Hounschell <dmarkh@....rr.com>
CC:	markh@...pro.net, Andreas Herrmann <andreas.herrmann3@....com>,
	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

Hi,

On Fri, Feb 06, 2009 at 05:20:08PM -0500, Mark Hounschell wrote:
> Mark Hounschell wrote:
> >> Borislav Petkov wrote:
> >>> Ok, here are two things you could try:
> >>>
> >>> Disable CONFIG_HIGH_RES_TIMERS (high resolution timers support in
> >>> "Processor type and features"), boot with "apic=debug" and send me the
> >>> output. I'd like to see how the lapic timer gets programmed. It would
> >>> be better for that exercise to get the latest stable kernel, 2.6.28.3,
> >>> imho.
> >>>
> >>> The other thing you could do is get x86info tools from here:
> >>> http://www.codemonkey.org.uk/projects/x86info/. However, get either a
> >>> daily snapshot or a checkout from the git repository and build it on
> >>> your system. Then do
> >>>
> >>> x86info -a > x86info.txt
> >>>
> >>> lsmsr -V3 -a > lsmsr.txt
> >>>
> >>> and send me those text files - we might be able to get a clue what's going on
> >>> from them.
> > 
> > Ok, attached is the bootlog.txt, x86info.txt, and lsmsr.txt
> > 
> > Thanks
> > Mark
> > 
> 
> That bootlog was captured from the serial console, but comparing it to the dmesg
> I see more info in the dmesg. The extra stuff for "apic=debug" must not be going
> to the serial console?? Either way here is the demsg output too.
> 
> Regards
> Mark
> 

> BIOS EBDA/lowmem at: 0009f000/0009f000
> Initializing cgroup subsys cpuset
> Linux version 2.6.28.3-250Hz (root@...ley) (gcc version 4.3.1 20080507 (prerelease) [gcc-4_3-branch revision 135036] (SUSE Linux) ) #2 SMP PREEMPT Fri Feb 6 11:48:54 EST 2009

maybe I wasn't clear enough - I meant to boot a _1000HZ_ kernel not a
250HZ one with highres timers disabled, if the line above is correct.
Can you try the same thing as above again, please, but this time use a
1000HZ 32bit kernel.

Thanks.

-- 
Regards/Gruss,
Boris.

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