Thursday, December 17, 2009

[BLUG] power off CD?

So, my wife Priscilla makes a copy of a data CD. Some friends are in
the psychology dept at IU, and she volunteered for an experiment and
ended up with some kind of imaging info of her brain. I don't think
that's important to the story, but maybe. Anyway, she drags a couple
of extra files onto the disk in Windows (Vista), and it's ready to
give to her friend. She said to me "can you put this in you computer
and make sure that it works?" Sure.

So, we put the CD into the CD drive of my Ubuntu (Jaunty)
machine... it spins up, and ... my computer turns off. power off. As
if our power had gone out, but it hadn't.

I turned the computer back on, it started booting, got about half way
through the progress meter (before the login prompt) and... same
thing. Power off.

I turn the computer back on, remove the CD, and the computer boots
normally. With no applications running besides the core and the GUI,
I insert the CD again. It spins up, and the computer powers down
again.

I'm convinced, so I won't try it again. She takes the CD back
to her computer, and that computer reads it just fine.

We really don't need to solve this problem, but I'm curious if anyone
has any thoughts on what's going on here. I wouldn't know how to make
such a CD if I wanted that functionality.... Strange that it might
somehow happen inadvertantly...

David
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