From mboxrd@z Thu Jan  1 00:00:00 1970
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Date: Wed, 08 Nov 2006 10:15:22 +0100
From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
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Subject: Re: [Xenomai-help] Xenomai on Athlon XP (and PIII)
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To: Jan Kiszka <jan.kiszka@domain.hid>
Cc: xenomai@xenomai.org

Jan Kiszka wrote:
> Wolfgang Grandegger wrote:
> 
>>Hello,
>>
>>I'm currently setting up a PC for Xenomai-Tests. I'm using my good old
>>PC with an Athlon XP (Thunderbird) for this purpose. The kernel hangs at
>>boot time when I enable APIC via boot argument (lapic). With local APIC
>>disabled the kernel boots but I see some Opps messages while running the
>>latency test and trying a slogin to the system (in the scheduler). Are
>>there any known issues with this X86 arch? I remember, that I have seen
>>similar problems with my (old) PIII-Notebook (lapic did not work).
> 
> 
> No known issues, both scenarios *must* work, the P-III at least in PIC
> mode when Linux refuses to enabled lapic on boot.

Some athlons have a buggy local APIC, so disabling it may be the best
option.

-- 
                                                  Gilles Chanteperdrix