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From: Len Brown <len.brown@intel.com>
To: Shantanu Goel <Shantanu.Goel@lehman.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [ACPI x86_64] 2.6.1-rc{1,2} hang while booting on Sun v20z aka Newisys 2100
Date: 22 Apr 2004 16:35:16 -0400	[thread overview]
Message-ID: <1082666116.16336.391.camel@dhcppc4> (raw)
In-Reply-To: <408820D7.10400@lehman.com>

On Thu, 2004-04-22 at 15:45, Shantanu Goel wrote:

> This works ok though again with only one cpu coming up.  Here is the output:
> 
> Bootdata ok (command line is ro root=LABEL=/ console=ttyS0 console=tty0 
> debug acpi=off)
> Linux version 2.6.5-x86_64 (root@njlxlabstinger2) (gcc version 3.2.3 
> 20030502 (Red Hat Linux 3.2.3-24)) #2 SMP Thu Apr 22 14:50:09 EDT 2004

> Intel MultiProcessor Specification v1.4
>     Virtual Wire compatibility mode.
> SMP mptable: bad signature [ \a \a]!
> BIOS bug, MP table errors detected!...
> ... disabling SMP support. (tell your hw vendor)

This explains why MPS doesn't boot SMP when acpi=off...

> 
> >Anyway, try acpi=ht to get your cpus back.
> >  
> >
> 
> This hangs.  Here is the output:
> 
> Bootdata ok (command line is ro root=LABEL=/ console=ttyS0 console=tty0 
> debug acpi=ht)
> Linux version 2.6.5-x86_64 (root@njlxlabstinger2) (gcc version 3.2.3 
> 20030502 (Red Hat Linux 3.2.3-24)) #2 SMP Thu Apr 22 14:50:09 EDT 2004
> BIOS-provided physical RAM map:

> ACPI: Subsystem revision 20040326
> ACPI: Interpreter enabled

oops, acpi=ht doesn't work on x86_64 -- yet.

> >More interesting would be if pci=noacpi works on 2.6.
> >
> 
> This hangs as well.  Here is the output:
> 
> Bootdata ok (command line is ro root=LABEL=/ console=ttyS0 console=tty0 
> debug pci=noacpi)
> Linux version 2.6.5-x86_64 (root@njlxlabstinger2) (gcc version 3.2.3 
> 20030502 (Red Hat Linux 3.2.3-24)) #2 SMP Thu Apr 22 14:50:09 EDT 2004
> BIOS-provided physical RAM map:

> Intel MultiProcessor Specification v1.4
>     Virtual Wire compatibility mode.
> SMP mptable: bad signature [<3>BIOS bug, MP table errors detected!...
> ... disabling SMP support. (tell your hw vendor)

Broken BIOS/MPS tables own this failure.
See if you can disable MPS in the BIOS/SETUP.
that is, after you verify you've got the latest BIOS...

cheers,
-Len



  reply	other threads:[~2004-04-22 20:35 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <A6974D8E5F98D511BB910002A50A6647615F976F@hdsmsx403.hd.intel.com>
2004-04-22 17:05 ` [ACPI x86_64] 2.6.1-rc{1,2} hang while booting on Sun v20z aka Newisys 2100 Len Brown
2004-04-22 19:45   ` Shantanu Goel
2004-04-22 20:35     ` Len Brown [this message]
2004-04-22 20:42       ` Shantanu Goel
2004-04-22 21:01         ` Len Brown
2004-04-28  8:42           ` Arjan van de Ven
2004-04-22 20:54       ` Shantanu Goel
2004-04-22 14:17 Shantanu Goel

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