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

[Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>]

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 http://www.ussg.iu.edu/hypermail/linux/kernel/0409.3/1786.html
> 
> 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?

Thanks,
Venki