[SeaBIOS] SeaBIOS stuck at timer setup

Patrick Rudolph siro at das-labor.org
Mon Jul 6 20:04:55 CEST 2015

Am 2015-07-06 15:25, schrieb Kevin O'Connor:
> On Sun, Jul 05, 2015 at 07:30:29PM +0200, Patrick Rudolph wrote:
>> Hello,
>> I'm trying to use SeaBIOS, but it's stuck at timer init.
>> I've located the problem at line 71 in file src/hw/timer.c.
>> It tries to write IO register 0x43 and freezes.
>> Do you have any idea what could be wrong ?
>> Test system:
>> * Intel Pentium CPU G2130
>> * Gigabyte GA-B75M-D3H
>> * SeaBIOS 1.7.5 and SeaBIOS git f24eb2f853d4aa28814761e0bbc7df78149f8029
>> * coreboot default configuration
> Can you send the full debug log of the failed boot?
> A failed write to 0x43 sounds very odd - it could be an incomplete
> hardware configuration in coreboot, or it could be the legacy timer is
> not fully supported on that board (though that seems unlikely).  You
> could comment out the call to timer_setup() in post.c and see if the
> boot progresses further.
> -Kevin

Hi Kevin,
I've attached the console output.

I commented out this code, but other hardware initialization fails, too.
The clock, xhci, ehci, ps2port are not working.
It looks like a generic problem related to inb or outb !


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