Subject: Re: 750gx cpufreq induced kernel panic in 2.6.36

From: Benjamin Herrenschmidt <[email-masked]>
Date: Thu, 27 Jan 2011 08:43:03 +1100

On Wed, 2011-01-26 at 11:20 -0600, kevin diggs wrote:
> This is kind of my problem. ANY suggestions (applicable to an old
> world PowerMac) would be appreciated on how to get access to the rest
> of the information. This thing appears completely dead at this point. 

You don't have a serial port ?

If you do, use "sccdbg" on the kernel command line to route xmon to it,
and boot with console=ttyPZ0,38400 (I think the old things default to
38400 bauds). Use the "modem" port.

Cheers,
Ben.