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[Qemu-devel] [Bug 1670509] Re: sgabios outputs incorrect video modes
From: |
Ubuntu Foundations Team Bug Bot |
Subject: |
[Qemu-devel] [Bug 1670509] Re: sgabios outputs incorrect video modes |
Date: |
Thu, 09 Mar 2017 00:36:34 -0000 |
The attachment "0001-SGABIOS-fix-wrong-video-attrs-for-int-10h-ah-
13h.patch" seems to be a patch. If it isn't, please remove the "patch"
flag from the attachment, remove the "patch" tag, and if you are a
member of the ~ubuntu-reviewers, unsubscribe the team.
[This is an automated message performed by a Launchpad user owned by
~brian-murray, for any issues please contact him.]
** Tags added: patch
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https://bugs.launchpad.net/bugs/1670509
Title:
sgabios outputs incorrect video modes
Status in QEMU:
New
Status in sgabios package in Ubuntu:
New
Bug description:
When run with a bootstrap loader that uses int 0x10 with 0x1301 in
%ax, incorrect video modes are output to the serial port. I believe
the VGA image will be correct. This might also affect the returned
values for some interrupts.
This is caused because the set_cursor_position routine fails to save
and restore %bx.
I'm working on a fix for this.
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