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Subject: [Bug 218473] [EFI] boot/loader.efi halt with ufs disk
Date: Tue, 18 Apr 2017 15:44:22 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D218473

--- Comment #1 from commit-hook@freebsd.org ---
A commit references this bug:

Author: tsoome
Date: Tue Apr 18 15:43:47 UTC 2017
New revision: 317092
URL: https://svnweb.freebsd.org/changeset/base/317092

Log:
  loader: zfs reader vdev_probe should check for minimum device size

  The smallest device we can have in the pool is 64MB, since we are trying =
to
  walk all four labels to find the most up to date uberblock, this limit wi=
ll
  also give us good method to check if we even should attempt to probe.

  Enforcing the check also will make sure we are not getting wrapped while
  calculating the label offset.

  Also, after label check, we should verify if we actually got any UB or no=
t.

  PR:           218473
  Reported by:  Masachika ISHIZUKA
  Reviewed by:  allanjude
  Differential Revision:        https://reviews.freebsd.org/D10381

Changes:
  head/sys/boot/zfs/zfsimpl.c

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