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Message-ID: <499F122E.1080601@cfl.rr.com>
Date: Fri, 20 Feb 2009 15:27:26 -0500
From: Mark Hounschell <dmarkh@cfl.rr.com>
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To: Andreas Herrmann <andreas.herrmann3@amd.com>
CC: Borislav Petkov <borislav.petkov@amd.com>,
       Mark Hounschell <markh@compro.net>, john stultz <johnstul@us.ibm.com>,
       linux-kernel <linux-kernel@vger.kernel.org>,
       Thomas Gleixner <tglx@linutronix.de>
Subject: Re: PROBLEM: Can't boot a (HZ = 1000) kernel using an AMD Phenom-II
 processor
References: <20090218174243.GD13304@aftab> <499C7AC8.4080609@cfl.rr.com> <499D364C.3010704@cfl.rr.com> <20090219141131.GM4301@alberich.amd.com> <20090220115357.GE4834@alberich.amd.com> <499ECF87.2070204@cfl.rr.com> <20090220160843.GF4834@alberich.amd.com> <20090220163844.GG4834@alberich.amd.com> <499EE3BA.7070105@cfl.rr.com> <499EEB0F.8010201@cfl.rr.com> <20090220182212.GH4834@alberich.amd.com> <499EF662.7010001@cfl.rr.com> <499F0A67.0@cfl.rr.com>
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Mark Hounschell wrote:
> Mark Hounschell wrote:
>> Andreas Herrmann wrote:
>>> On Fri, Feb 20, 2009 at 12:40:31PM -0500, Mark Hounschell wrote:
>>>
>>>> ACPI: HPET id: 0x10b9a201 base: 0xfed00000
>>>   <snip>
>>>
>>>> hpet: hpet_enable(834):
>>>> hpet: ID: 43538301, PERIOD: 429b17e
>>> This means that your BIOS could be bogus.
>>> Obviously ACPI HPET table contains different information about
>>> your HPET configuration than the HPET registers are showing.
>>>
>>> This means that other chipset configuration (e.g. ACPI tables) could
>>> also be wrong.
>>>
>>> To confirm this please provide us output of
>>>
>>> # xxd /sys/firmware/acpi/tables/HPET
>> markh@harley:~> xxd /sys/firmware/acpi/tables/HPET
>> 0000000: 4850 4554 3800 0000 0101 5258 3738 3020  HPET8.....RX780
>> 0000010: 4157 5244 4143 5049 312e 3042 4157 5244  AWRDACPI1.0BAWRD
>> 0000020: 9800 0000 01a2 b910 0000 0000 0000 d0fe  ................
>> 0000030: 0000 0000 0010 0000
>>
>> Mark
>>
> 
> I don't intend to sound stupid but isn't this a _read only_  HPET ID register,
> read by the BIOS and put in a table which ends up being read by the kernel then
> in turn put in /sys/firmware/acpi/tables/HPET? If it is correct there, doesn't
> that mean the BIOS read it correctly and it is correct? And in turn, mean that
> the function used to read it for your debug printk could just be reading it wrong?
> 
> Also remember in the beginning of this thread this machine was running on a
> Phenom-I and when I put a Phenom II in it I could no longer boot a 1000Hz
> kernel. I know, that often  means nothing. But not always???
> 
> I still have that original Phenom available and it is in another very similar
> BIOSTAR motherboard TA770 A2+ SE and is running a 1000Hz kernel. The MB does
> have a different BIOS mfgr however. Would it be of any benefit to do any of
> these things on that machine?
> 
> 

Ok I sounded stupid anyway. Its the ACPI: HPET id: 0x10b9a201 base: 0xfed00000
that is incorrect? I'll be quiet and wait.

Mark