linux-kernel - Re: x86_64 (EM64T Core2 Duo, DG965RY) PCI mmconfig regression - complete hangs on boot

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Message-ID: <p73wt814mac.fsf@verdi.suse.de>
Date:	18 Sep 2006 10:22:03 +0200
From:	Andi Kleen <ak@...e.de>
To:	"Robin H. Johnson" <robbat2@...too.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: x86_64 (EM64T Core2 Duo, DG965RY) PCI mmconfig regression - complete hangs on boot - ACPI interaction?

"Robin H. Johnson" <robbat2@...too.org> writes:

> [Please CC me, I'm not subscribed to LKML.]
> 
> I recently picked up a new server of really new hardware, and I've run
> into a number of issues with the latest git HEAD kernels. I'll make
> separate posts for each of the issues.
> 
> CPU: Intel Core 2 Duo E6400
> Motherboard: Intel DG965RY
> BIOS revisions: July/07/2006 AND September/06/2006 (tried both)
> 
> The most significant of them - is that somewhere between 2.6.17.11 and
> 2.6.18-rc6-git4, MMCONFIG is now being used, but leads to a complete
> hardware hang (SYSRQ does not respond).

Known issue. I've already sent Linus fixes for that, but he hasn't merged them 
yet.

-Andi
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