Date: Wed, 14 Feb 2007 12:49:01 +0000
From: Alan <alan@lxorguk.ukuu.org.uk>
To: Zachary Amsden <zach@vmware.com>
Cc: Andi Kleen <ak@muc.de>, Dmitry Torokhov <dmitry.torokhov@gmail.com>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       Andrew Morton <akpm@osdl.org>, Rusty Russell <rusty@rustcorp.com.au>,
       Jeremy Fitzhardinge <jeremy@goop.org>,
       Chris Wright <chrisw@sous-sol.org>
Subject: Re: [PATCH 9/11] Panic delay fix
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> No, not that.  But the virtual keyboard I/O gets processed and converted 
> to physical keyboard I/O when a keyboard is attached to a VM.  The 
> result is that the virtual keyboard spinning out of control causes the 
> physical keyboard to receive the same commands, far too rapidly.
> 
> So the keyboard blinks out of control and acts as if possessed by demons.

Which is a good example of why breaking udelay is the wrong thing to do.
I bet vmware keyboard emulation isn't the only problematic case.

Alan
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