linux-kernel - Re: [PATCH]X86:reboot.c Add some dmi entries to pci_reboot_dmi

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Message-ID: <4C057AE9.9020307@gmail.com>
Date:	Tue, 01 Jun 2010 14:26:01 -0700
From:	"Justin P. Mattock" <justinmattock@...il.com>
To:	Matthew Garrett <mjg59@...f.ucam.org>
CC:	x86@...nel.org, tglx@...utronix.de, linux-kernel@...r.kernel.org
Subject: Re: [PATCH]X86:reboot.c Add some dmi entries to	pci_reboot_dmi_table.

On 06/01/2010 02:12 PM, Matthew Garrett wrote:
> On Tue, Jun 01, 2010 at 01:51:00PM -0700, Justin P. Mattock wrote:
>> On 06/01/2010 01:33 PM, Matthew Garrett wrote:
>>> On Tue, Jun 01, 2010 at 01:31:08PM -0700, Justin P. Mattock wrote:
>>> It returns you to the prompt? The machine hangs? What do you mean by
>>> "nothing"? (Also, what chipset does this machine have?)
>>>
>>
>> this is what it does:
>> It returns you to the prompt
>
> Ok, so it does nothing. Sigh. Thapple.
>

responds the same way..

>> as for the chipset name..(not sure)
>
> It's an MCP79. In that case I suspect that we're misdiagnosing this at

alright.. yeah it's MCP79

> some level. How about the following (again, run as root):
>
> #include<sys/io.h>
>
> int main() {
> 	iopl(3);
> 	outb(0xfe, 0x64);
> 	return 0;
> }
>

ahh!! I see now:
grep 0x64 *.dsl


Sleep (0x64)
                     Sleep (0x64)
             Sleep (0x64)
                 OperationRegion (P64, PCI_Config, 0x64, 0x02)
                 Name (M73L, 0x64)
                 Divide (Local1, 0x64, , Local0)
                                 Sleep (0x64)


Justin P. Mattock
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