[coreboot] unexpected exception errors loading vga rom

Stefan Reinauer stepan at coresystems.de
Mon Apr 20 17:50:00 CEST 2009

On 20.04.2009 17:38 Uhr, ron minnich wrote:
> On Mon, Apr 20, 2009 at 8:27 AM, Joseph Smith <joe at settoplinux.org> wrote:
>> Hello,
>> I keep getting unexpected exception errors on my IP1000 with builds over
>> the past 6 months or so. The unexpected exception errors are random errors
>> and are different every time, but seem to happen right about the time the
>> vga rom loads. I think it has something to do with x86emu and yabel loading
>> the vga rom. If I change it to boot up with out graphics it boots up every
>> time, no problem. If I enable the vga device (2.0) and allocate vga memory
>> but not load the vga rom it boots up every time no problem. So this tells
>> me it doesn’t like something the rom emulator is doing, right? This is
>> very strange because I do not have this problem with the RM4100… just the
>> IP1000 (brother boards).
> You could well be tickling a but in either emulator. These are hard to
> find. It's handy to have a user-mode wrapper so you can run these
> emulators under linux -- much easier to find that way. Is this
> possible with YABEL?

Not right now, but you can connect to coreboot via gdb over serial,
which gives you a user space frontend with single stepping...


coresystems GmbH • Brahmsstr. 16 • D-79104 Freiburg i. Br.
      Tel.: +49 761 7668825 • Fax: +49 761 7664613
Email: info at coresystems.dehttp://www.coresystems.de/
Registergericht: Amtsgericht Freiburg • HRB 7656
Geschäftsführer: Stefan Reinauer • Ust-IdNr.: DE245674866

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.coreboot.org/pipermail/coreboot/attachments/20090420/f2e24ae5/attachment.html>

More information about the coreboot mailing list