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Date:      Fri, 11 Oct 2002 09:49:21 +0200
From:      Robert Bopko <zero@estimese.net>
To:        User Raymond <raymond@one.com.au>
Cc:        smp@freebsd.org
Subject:   Re: SMP problems with MSI MB and dual Xeon
Message-ID:  <20021011074921.GD10226@finom.estimese.net>
In-Reply-To: <200210110653.g9B6rI06025816@gw.one.com.au>
References:  <200210110653.g9B6rI06025816@gw.one.com.au>

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hello,

it looks like motherboards with E7500 chipset are not
good friends with freebsd-smp. can someone pls tell me why?

thanks.

On Fri, Oct 11, 2002 at 04:53:18PM +1000, User Raymond wrote:
> 
> The following problem with an MSI E7500 MB with dual 2.0GHZ Xeon processors
> looks similar to:
> 
> Problem Report i386/40564
> Problem Report misc/42414
> 
> Symptoms are - build SMP kernel and boot - output ends at:
> 
> Changing APIC ID for IO APIC #3 from 7 to 15 in MP table
> Changing APIC ID for IO APIC #4 from 15 to 8 on chip
> panic: can't control APIC #4  ID, reg: 0xffffffff
> mp_lock = 00000001; cpuid = 0; lapic.id = 00000000
> 
> 
> The MSI support people suggest the following:
> 
> > You need to install patch for Unix.
> > So I would suggest you to look on FreeBSD's website for patch supporting
> > Intel Plumas chipset.
> 
> and
> 
> > Also if the customer is using Xeon with HyperThread function, they may need
> > to install the patch for that as well.
> > For the support of Prestonia processors.
> 
> I have no idea as to what they are refering to...
> 
> Any suggestions would be appreciated.
> 
> 
> Ray Newman
> 11 Oct 2002
> Message sent at 04:52 PM on 11 Oct 2002 by PUP::RAYMOND.  Id: 191855.
> 
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