[coreboot] issues with seabios on the m2a-vm

Myles Watson mylesgw at gmail.com
Thu Feb 26 21:18:45 CET 2009

On Thu, Feb 26, 2009 at 11:53 AM, Ward Vandewege <ward at gnu.org> wrote:
> On Mon, Feb 23, 2009 at 09:06:01PM -0500, Kevin O'Connor wrote:
>> On Mon, Feb 23, 2009 at 05:13:12PM -0500, Ward Vandewege wrote:
>> > On Fri, Feb 20, 2009 at 10:41:17PM -0500, Kevin O'Connor wrote:
>> > > The IRQs are probably messed up because the bios tables aren't being
>> > > copied.  Please apply the patch below to coreboot (after adjusting the
>> > > memory size for your machine).
>> > The patch you sent assumed one GB of ram, right? I reduced the amount of ram
>> > in the system to 1GB.
>> Oh, you don't need to reduce memory.  Ideally, one would change the
>> value in tables.c to reflect the top of memory for the machine, but
>> even that isn't strictly necessary.
> Right, it was just easier this way.
>> >The patch does not appear to help.
>> The patch didn't take:
> Yeah, I don't know what I did - but I sure didn't patch the right tree.
> Here are logs where the patch *did* get applied.
> With menu enabled:
>  http://ward.vandewege.net/coreboot/m2a-vm/m2a-vm-menu-with-cb-and-seabios-patch.cap
> With menu disabled:
>  http://ward.vandewege.net/coreboot/m2a-vm/m2a-vm-no-menu-with-cb-and-seabios-patch.cap

In the logs it looks like you're having coreboot run the VGA ROM.  I
had to disable that to get mine to work.


If you set CONFIG_CONSOLE_VGA=0 the VGA bits in the bridges don't get
set, but then you have to specifically tell it not to run the ROM.

Hopefully that helps.


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