*countable infinities only

Peter Jones pjones at redhat.com
Sun Jun 3 14:01:30 UTC 2012


On 06/02/2012 12:31 PM, Kevin Fenzi wrote:

> What happens if you try and boot an unsigned image? I assume the error
> you get is up to the BIOS folks? So, it could be misleading, confusing,
> depressing or all three. It may be that people will see just "Failed to
> secure boot" and think there's something wrong with Fedora. They may
> not even be looking for a bios option. They may burn or download
> multiple media in an attempt to get it working. All kinds of possible
> issues... ;(

To add to Matthew's reply here, depending on the vendor it'll show up in boot
selection UI either as boot media that just happens to fail when you try it,
or, if they do a really surprisingly good job, it won't show up at all as boot
media. If they do a much different job then that, it might show up but be
listed as unsupported somehow, and may tell you why.  I have my doubts that
you'll often see anything but the first option.

On the systems I have to test with, from the UEFI shell (which likely won't
ever be something you can run in SB=1 mode on a retail machine), the typical
user-visible error from running an unsigned executable is "file not found".

-- 
         Peter


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