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Date:      Fri, 26 Feb 2010 19:15:28 +0800
From:      Alastair Hogge <agh@coolrhaug.com>
To:        John Baldwin <jhb@freebsd.org>
Cc:        kochetkov.andrew@gmail.com, Randy Chou <randychou@yahoo.com>, freebsd-hardware@freebsd.org
Subject:   Re: Intel DP45SG motherboard problem (amd64)
Message-ID:  <201002261915.29028.agh@coolrhaug.com>
In-Reply-To: <201002250802.58434.jhb@freebsd.org>
References:  <201002212231.12018.agh@coolrhaug.com> <201002250732.21691.agh@coolrhaug.com> <201002250802.58434.jhb@freebsd.org>

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On Thu February 25 2010 21:02:58 John Baldwin wrote:
> On Wednesday 24 February 2010 6:32:21 pm Alastair Hogge wrote:
> > On Wed February 24 2010 22:46:29 John Baldwin wrote:
> > > On Tuesday 23 February 2010 5:40:31 pm Alastair Hogge wrote:
> > > > On Wed February 24 2010 00:14:00 John Baldwin wrote:
> > > > > On Tuesday 23 February 2010 8:51:04 am Alastair Hogge wrote:
> > > > > > > > Hello John,
> > > > > > > >
> > > > > > > > In regards to an old email thread:
> > > > > > > > http://lists.freebsd.org/pipermail/freebsd-hardware/2009-
> > > > > > >
> > > > > > > June/thread.html#5887
> > > > > > >
> > > > > > > > I've attached the i386 dmesg & "mptable device" from a
> > > > > > > > 9.0-CURRENT -r204168 system which still fails on booting an
> > > > > > > > amd64 CD.
> > > > > > >
> > > > > > > You need to build a custom amd64 kernel which includes "device
> > >
> > > mptable"
> > >
> > > > > > > and use that.  You may need to set 'hint.acpi.0.disabled=1' as
> > > > > > > well to force ACPI to be disabled.
> > > > > >
> > > > > > OK, I've cross built an amd64 system and installed it on a spare
> > > > > > HDD. Once it booted I ran "mptable -verbose -dmesg -grope" Here
> > > > > > is the
> > >
> > > output:
> > > > > It appears that the new kernel works, yes?
> > > >
> > > > Yes
> > > >
> > > > > That should at least get you a
> > > > > working system now.
> > > >
> > > > Pretty exciting, however, it looks like that booting from an
> > > > installation CD is still problematic.
> > >
> > > Yes, but it is really odd that you do not have any ACPI tables.  All
> > > 64-bit machines should have ACPI.
> > >
> > > > > I have no idea why the system does not provide ACPI
> > > > > tables.  Is there a BIOS option to enable/disable ACPI perhaps?
> > > >
> > > > I can't find anything .
> > >
> > > Can you save the output of 'acpidump -d -t' to a file and post the URL?
> > >  If the output is very short, you can just paste it inline into a
> > > reply.
> >
> > #  acpidump -d -t
> > /*
> >   RSD PTR: OEM=INTEL, ACPI_Rev=2.0x (2)
> >         XSDT=0xcfd62e18, length=36, cksum=1
> >  */
> > acpidump: XSDT is corrupted
> 
> Hmm, the checksum for the XSDT is bad.  You can try hacking
> src/usr.sbin/acpi/acpidump/acpi.c to disable the checksum check for the
>  XSDT. Just look for the 'XSDT is corrupted' string in that source file and
>  comment out the call to acpi_checksum().  Something like this:
> 
> 		rsdp = (ACPI_TABLE_HEADER *)acpi_map_sdt(rp->XsdtPhysicalAddress);
> 		if (memcmp(rsdp->Signature, "XSDT", 4) != 0 /* ||
> 		    acpi_checksum(rsdp, rsdp->Length) != 0 */)
> 			errx(1, "XSDT is corrupted");
> 		addr_size = sizeof(uint64_t);
> 
> Then see if acpidump -d -t gets any further. 
Pleas see http://pastebin.ca/1811641
You might noticed a different XSDT in the lastest dump. This is because I 
moved the amd64 hdd to the other system and booted it from there. Both systems 
are identical except for the video cards.

> I would also look for a BIOS
> update perhaps, 
I've updated the BIOS, but still no luck.

> and/or complain to your motherboard vendor that their BIOS
>  is broken.
Complaining has begun.



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