System freeze - with logo_saver and high CPU load

[Steve O'Hara-Smith]

	Hi,

	I'm running v2.9.0.68.g57eab-DEVELOPMENT on an M4A78L motherboard
with a Phenom II 955 (quad core 3.2 GHz), however this has been happening
for a while but it's only now that I've pinned down the circumstances.

	If I have the logo-saver running and displayed on the console then
anything that generates a high CPU load (make -j 8 buildworld in an ssh
session from another box does nicely) will lock the system up solid when the
logo reaches a certain point near the top right hand side. Once locked the
system is completely unresponsive to network or keyboard, only a reset or
power cycle will unlock it. Without the logo_saver running the system is as
solid as a rock.

-- 
Steve O'Hara-Smith                          |   Directable Mirror Arrays
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