Re: EFI booting from external USB pen drive

From: Emmanuel Vadot <manu_at_bidouilliste.com>
Date: Thu, 05 Jul 2018 16:49:25 +0200
On 2018-07-05 16:30, Bjoern A. Zeeb wrote:
> Hi,
> 
> while I can boot memstick images just fine (which are created using
> makefs/mkimg), doing the same thing using gpart/newfs_msdos -F 12/.. I
> am not able to get anything that boots.

  What is the size for the fat12 partition ? Everything over ~30MB will 
fail.
  Go to fat16/fat32 with a size of 150MB just to be sure.

> On a Thinkpad (secure boot is off) from the “boot device chooser from
> ‘BIOS’” I get a quick blank screen and am back at the chooser.  I’ve
> tried the gpart “thinkpad hack” as well as trying an MBR (why that
> should work I don’t know but the memstick one does) and GPT options of
> various kinds.
> 
> 
> Anyone successfully done this lately?
> 
> 
> /bz
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-- 
Emmanuel Vadot <manu_at_bidouilliste.com> <manu_at_freebsd.org>
Received on Thu Jul 05 2018 - 12:49:34 UTC

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