Re: [coreboot] new, need help and whatnot

[David Giard]

I ended up using a raspberry pi before i even read David's reply, went on
without an itch. I did see a light go green on the board though. Maybe i
was lucky. Will remember to put a temporary jumper on the reset switch
header next time.

Thx

On Thu, Jul 25, 2013 at 9:37 PM, David Hendricks wrote:
> On Wed, Jul 24, 2013 at 5:37 PM, David Giard  wrote:
> > Hi everyone,
> >
> > This is my second email the first one did not get through, i think..
> > Anyway, this is a copy of the first one, with a few changes.. :)
> >
> > i'm new here(obviously),
>
> welcome!
>
> i've been talking to a few members already, after generating these logs, i
> > played with flashrom and ended up with a Brick. I already ordered a Bus
> > Pirate, and i already received my soic clips, so all is not lost.
> >
> > i have an Intel S3420GPLC Server Motherboard. Specs are here:
> > http://download.intel.com/support/motherboards/server/s3420gp/sb/s3420gp_tps...
> >
> > msrtool.log is empty, got a core dump.
> >
> > rom.bin is here:
> > https://docs.google.com/file/d/0Bx4lQySb-zrCT0RmVlB4d2pGa00/edit?usp=sharing
> >
> > Thankfully the rom looks complete so i should be able to unbrick the
> > thing.. The board has an ME and a BMC, and yes i know that's probably why i
> > ended up with a brick. I mean i could see the big warning sign in the docs,
> > i just, well, wanted to learn something... :P There is a recovery bios on
> > the thing, but it does not seems to work right now... ;) To think that i'm
> > actually laughing about it is really something... :)
> >
> > i hope you guys can use these logs(see attached files).. :)
>
> Sounds like you've already identified the problem and are well on your way
> to recovering your board. There are a few caveats though:
> Some boards do not isolate the ROM circuitry well, and your programmer
>
> (Bus Pirate) may backpower motherboard components such as the ME, which
> will attempt to boot and interfere with flashrom. So you may need to hold
> the board in reset while you flash using the Bus Pirate in order for it to
> be successful.
> It is possible that when you read the ROM content earlier on that the ME
>
> interfered by changing the SPI address and doing something while flashrom
> was running. If that happened, your image may be corrupt and will need to
> get a new firmware image from Intel's website and flash it instead.
>
> Good luck!