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From: Volker Armin Hemmann <volkerarmin@googlemail.com>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] Questions about the magic Sys Req keys
Date: Mon, 13 Jun 2011 12:57:35 +0200
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On Monday 13 June 2011 04:18:23 Dale wrote:

> So, my question is this.  What kind of lock up could keep the magic keys
> from working?  This is on my new amd64 machine.  

everything that kills the interrupt handler.

everything that prevents the kernel from acting on interrupts it received

everything that locks up the CPU