Re: arch/i386/boot/video.S hang

From: Venkatesh Pallipadi
Date: Thu Jun 16 2005 - 12:37:13 EST

On Wed, Jun 15, 2005 at 11:05:54PM +0100, Simon Richard Grint wrote:
> I'm trying to upgrade an old AMD K6-2 machine (aladdin bios/gigabyte GA-5AX
> motherboard, latest version of the bios) to 2.6.11. Unfortunately kernels later
> than 2.6.9 hang very early in the boot process just after the vga= mode selection,
> but before the kernel announces "uncompressing linux".
> I have narrowed the problem down to the store_edid function in
> arch/i386/boot/video.S where the edid block is obtained and stored before
> entering protected mode. The exact patch which seems to cause me problems
> is
> Storing the edid block at 0x140 causes this machine to hang, whereas backing
> this patch out and instead using 0x440 (or even 0x160) seems to work fine.
> Is this problem just because of an old and buggy bios or is there another
> reason?

What boot loader are you using. grub/lilo?

Does it work with CONFIG_VIDEO_SELECT disabled in your kernel CONFIG?

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