[coreboot] dmesg of a board which hangs at somewhere

Marc Jones marcj303 at gmail.com
Mon Jan 10 20:33:44 CET 2011

On Mon, Jan 10, 2011 at 8:59 AM, Scott Duplichan <scott at notabs.org> wrote:
> -----Original Message-----
> From: coreboot-bounces+scott=notabs.org at coreboot.org [mailto:coreboot-bounces+scott=notabs.org at coreboot.org] On Behalf Of Bao, Zheng
> Sent: Monday, January 10, 2011 12:00 AM
> To: coreboot at coreboot.org
> Subject: [coreboot] dmesg of a board which hangs at somewhere
> ]I boot my board (Fam10/RS780/SB700) with coreboot. Sometimes it hangs at
> ]a place where it seems to a multi-core initialization. Before I debug
> ]this, could anyone give me a hint?
> I had a similar problem. It seems to be caused by multiple cores
> accessing the cf8/cfc interface simutaneously. Using the MMCONF_SUPPORT
> completely eliminates the problem for me.

All AMD CPUs should be using MMCONF_SUPPORT now. I thought that had
been added several months ago.

Xavi brings up a good point, Check the BKDG and revision guide for
settings and bug fixes that need to be implemented for newer CPUs.
Also check the the FID/VID setting is correct for the CPU.


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