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[bugs #509] bad Gate A20 handling
From: |
Peter Missel |
Subject: |
[bugs #509] bad Gate A20 handling |
Date: |
Mon, 30 Aug 2004 08:06:01 -0400 |
User-agent: |
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.6) Gecko/20040113 |
This mail is an automated notification from the bugs tracker
of the project: GNU GRUB.
/**************************************************************************/
[bugs #509] Latest Modifications:
Changes by:
Peter Missel <address@hidden>
'Date:
Mon 08/30/2004 at 09:28 (GMT)
------------------ Additional Follow-up Comments ----------------------------
Greetings!
We're currently prototyping a system mainboard that does not have a KBC, and
promptly have observed GRUB to run into this issue.
We've been implementing Int15h 240x functions, and could think of an improved
algorithm in GRUB that makes better use of them - particularly in case the
system does not have a method of switching the A20 gate at all. This is the
case in systems that follow the MS "Legacy Free" initiative - A20gate is always
open, and there's no method of closing it at all.
Please let us know how we can participate in getting GRUB to run on these
systems.
regards,
Peter
/**************************************************************************/
[bugs #509] Full Item Snapshot:
URL: <http://savannah.gnu.org/bugs/?func=detailitem&item_id=509>
Project: GNU GRUB
Submitted by: Yoshinori K. Okuji
On: Fri 05/31/2002 at 00:39
Category: Booting
Severity: Critical
Priority: 3 - Low
Item Group: Software Error
Resolution: None
Privacy: Public
Assigned to: okuji
Originator Name:
Originator Email:
Status: Open
Release: 0.92
Reproducibility: Every Time
Planned Release: 0.93
Summary: bad Gate A20 handling
Original Submission: The current Gate A20 code doesn't work properly in
all systems. See this thread for more information:
http://www.mail-archive.com/bug-grub%40gnu.org/msg05798.html
Okuji
Follow-up Comments
------------------
-------------------------------------------------------
Date: Mon 08/30/2004 at 09:28 By: Peter Missel <pmissel>
Greetings!
We're currently prototyping a system mainboard that does not have a KBC, and
promptly have observed GRUB to run into this issue.
We've been implementing Int15h 240x functions, and could think of an improved
algorithm in GRUB that makes better use of them - particularly in case the
system does not have a method of switching the A20 gate at all. This is the
case in systems that follow the MS "Legacy Free" initiative - A20gate is always
open, and there's no method of closing it at all.
Please let us know how we can participate in getting GRUB to run on these
systems.
regards,
Peter
-------------------------------------------------------
Date: Sun 11/30/2003 at 16:47 By: Yoshinori K. Okuji <okuji>
I did some changes on this bug a long time ago, and I have never heard the same
problem for a while. So I lower the priority, but not closing it, so that I
wouldn't forget it.
Okuji
CC List
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CC Address | Comment
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pmissel --AT-- sbs --DOT-- com |
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