Re: [GIT PULL] VESA register clobber paranoia

From: Pavel Machek
Date: Sun Sep 09 2007 - 11:07:03 EST


Hi!

> Please pull:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/hpa/linux-2.6-x86setup.git for-linus
>
> H. Peter Anvin (1):
> [x86 setup] Don't rely on the VESA BIOS being register-clean
>
> arch/i386/boot/video-vesa.c | 34 +++++++++++++++++++++-------------
> 1 files changed, 21 insertions(+), 13 deletions(-)
>
> [Log messages and full diffs follow]
>
> commit 4221d014ea04d439e6d1e65951c3b406e7c1b7ab
> Author: H. Peter Anvin <hpa@xxxxxxxxx>
> Date: Fri Aug 31 11:30:31 2007 -0700
>
> [x86 setup] Don't rely on the VESA BIOS being register-clean
>
> The VESA BIOS is specified to be register-clean. However, we have now
> found at least one system which violates that. Thus, be as paranoid
> about VESA calls as about everything else.
>
> Huge thanks to Will Simoneau for reporting, diagnosing, and testing
> this out on Dell Inspiron 5150.

Was this the 'resume broken in -rc' problem?

Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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