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Date:      Tue, 04 Feb 2020 07:19:42 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 234031] loader can't traverse filesystem, LUA ERROR: cannot open /boot/lua/loader.lua
Message-ID:  <bug-234031-227-4YQZrrrfr5@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-234031-227@https.bugs.freebsd.org/bugzilla/>
References:  <bug-234031-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D234031

--- Comment #55 from commit-hook@freebsd.org ---
A commit references this bug:

Author: tsoome
Date: Tue Feb  4 07:18:49 UTC 2020
New revision: 357496
URL: https://svnweb.freebsd.org/changeset/base/357496

Log:
  MFC r357442:

  loader: bc_add can not use any other probes than ah=3D0x4b

  CD boot is broken for some systems since bioscd and biosdisk merge. The i=
ssue
is that we can not use anything else than int 13 ah=3D0x4b to query cd
information.

  The patch does restore the same probe as was originally used in bioscd.c.
Additionally extra buffer padding is used to avoid memory corruption caused=
 by
some systems.

  PR:           234031
  Reported by:  ultramage and others

Changes:
_U  stable/11/
  stable/11/stand/i386/libi386/biosdisk.c

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