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From: Nate Lawson <nate@root.org>
To: Petri Helenius <pete@he.iki.fi>
cc: freebsd-current@freebsd.org, acpi-jp@jp.FreeBSD.org
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Date: Mon, 22 Mar 2004 18:11:51 -0800
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Subject: [acpi-jp 3139] Re: CSA gigabit ethernet
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X-Originator: nate@root.org
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On Mon, 22 Mar 2004, Petri Helenius wrote:
> Nate Lawson wrote:
> >Sorry, I can't quite understand what the problem is.  What are CSAB and
> >CSAD?  Is CSAB another bus (PCI?) containing CSAD?  A devinfo of this bo=
x
> >would help me understand the hierarchy.
>
> CSA is a proprietary bus connected to the MCH.
> http://www.intel.com/design/network/events/idf/csa.htm
>
> It=B4s primary purpose at this time is to provide bandwidth to run a GE
> without having to go through the other busses.
>
> >You can always create your own _PRT entry under CSAB and compile a custo=
m
> >AML.  See the acpi debugging section of the handbook for info.
>
> I got a new BIOS from supermicro where the _PRT entry exists, it=B4s loca=
ted
> at http://helenius.fi/p4sctnew.asl but now I get no error messages but
> the system still does not work. (vmstat -i shows no interrupts for em0)
> Previously I got watchdog timeout errors.

Great, I'm glad they fixed the ASL in the BIOS update.  I checked the ASL
and your gigE should probably show up on irq 18, right?  Whether it gets
interrupts or not is probably a device driver or APIC routing issue.
Unfortunately, I can't help you more on those.

-Nate
