On 04/24/14 18:38, Glen Barber wrote:
Author: gjb
Date: Fri Apr 25 01:38:57 2014
New Revision: 264907
URL: http://svnweb.freebsd.org/changeset/base/264907
Log:
Refactor make-memstick.sh to avoid creating the 'dangerously
dedicated' partition scheme, reported to cause the memstick.img
to fail to boot.
Similar to how make-memstick.sh worked on stable/8, use makefs(8)
to create the actual filesystem. Then calculate the size of the
resulting image file, create the GPT partition scheme, then dd(1)
the filesystem created with makefs(8) to the freebsd-ufs GPT
partition.
This was tested on a known-working machine[1] for regression, and
a known-not-working machine[2] to ensure the boot issue has been
resolved.
GPT may not be the best choice here. On a number of, in particular,
Lenovo hardware, the BIOS will unconditionally boot with EFI from GPT
media. I'm not sure we want to just swap the set of machines on which
this will not boot. It probably needs to be nested MBR (or straight MBR
-- I forget if that works) until the boot media work with EFI (which
should be soon on -CURRENT).
-Nathan
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