[powerstation-owners] SLOF source code available

[James Bottomley]

On Thu, 2008-12-04 at 23:23 +0100, Adrian Reber wrote:
> On Thu, Dec 04, 2008 at 04:07:29PM -0600, James Bottomley wrote:
> > > > It could simply be anomalies in my build environment.  Does anyone have
> > > > a working takeover image and build firmware available for download
> > > > anywhere?
> > > 
> > > I am confused why you are trying to boot the takeover image. To try it
> > > out to see if something is not working? Or because the documentation is
> > > outdated and only describing the steps necessary to boot SLOF on
> > > JS20/JS21 with the original product firmware?
> > 
> > Because that's what the instructions in FlashingSLOF.pdf in the root of 
> > your git tree say to do ...
> > 
> > So the mechanism I should be following is simply to execute
> > 
> > update_firmware -f net:<file>
> > 
> > in current slof (and pray I got the build right)?
> 
> Yes.
> 
> If something goes wrong the service processor should switch to the other
> flashside. There you can then enter "update_flash -r" to "reject" your
> flashed image. That will copy the backup (permanent) image to the primay
> (temporary) side. With "1 set-flashside" you can toggle back to the
> temporary side and reboot the system. Then everything should be as it
> was.
> 
> The command ".flashside" will print out on which flashside you are
> currently running (if you want to check).
> 
> Sometimes the service processor does not correctly switch to the other
> flashside if the first is broken in some way. After powering off the
> system and back on with the white button (without pulling the cable) it
> then switches the flashside.
> 
> If the firmware hangs during the initialization of the graphics card it
> helps if the card is removed and then the previous version of the
> firmware can be recovered.
> 
> Of course it still can break in so many ways, but I have always been
> able to recover using the permanent side as a backup.

Right, thanks.

Got it built and booted.

The way to prevent the hang seems to be to pull out the video card.  I
suspect there's some build problem with the x86 emulator used to run the
card's bios.

James