[coreboot] fixing i810 onboard vga

Carl-Daniel Hailfinger c-d.hailfinger.devel.2006 at gmx.net
Fri Nov 7 08:46:42 CET 2008

On 07.11.2008 07:00, Elia Yehuda wrote:
> before anything else :-)
> right when i turn on the pc, those zeros (0x00) starts to show on the screen
> (i use gtkterm in hexmode since minicom wont show me those hexed zeros),
> fill the screen slowly for 2 minutes, and only then the following coreboot
> messages shows up and the boot starts :
> coreboot- Fri Nov  7 04:00:16 IST 2008 starting...
> Ram1.00
> i810 Initial registers have been set.
> Ram2.00
> ...
> so, to sum it up -
> turn on computer
> zeors on the screen for 2 minutes
> coreboot starts
> hope this clears matters up ;)

That's a known bug with quite a few boards. Nobody has tracked it down
yet. You're probably the first person to notice these zeros.

Can you sprinkle POST codes liberally all over the map and note down
when the zero sending starts? Since the delay is so long, observing POST
codes on a POST card should work fine.

By the way, such a bug is much less likely to ever happen in v3.



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