[LinuxBIOS] mcp55 flashrom problem

[Ward Vandewege]

On Sat, Mar 03, 2007 at 07:09:15PM +0100, Stefan Reinauer wrote:
> * Ward Vandewege <ward at gnu.org> [070302 22:47]:
> > OK, I've used flashrom/biossavior on a Tyan box to get the *actual* contents
> > of the chip (I hope!).
> Yes, shadow handling seems to work fine. The BIOS has _some_ reason to
> change it's config (which is far bigger than the 256 bytes of nvram
> nowadays, --> ESCD/DMI)
> 
> Can you please observe the changes over several consequtive reboots (5
> or so)

This is it. The first line is the 'baseline' - the image I retrieved with the
proprietary in-bios qflash tool, last Friday. All the other lines are
consecutive reboots today; I wrote a script to dump the flash with flashrom,
diff it, and reboot - each of these lines is roughly a couple of minutes
apart.

-0000fd90  0f 00 24 00 12 00 00 02  03 07 00 00 40 00 00 00
+0000fd90  0a 00 00 00 0f 00 00 05  03 07 00 00 40 00 00 00
+0000fd90  16 00 1c 00 0f 00 00 05  03 07 00 00 40 00 00 00
+0000fd90  14 00 25 00 0f 00 00 05  03 07 00 00 40 00 00 00
+0000fd90  14 00 27 00 0f 00 00 05  03 07 00 00 40 00 00 00
+0000fd90  08 00 29 00 0f 00 00 05  03 07 00 00 40 00 00 00
+0000fd90  39 00 2a 00 0f 00 00 05  03 07 00 00 40 00 00 00
+0000fd90  2e 00 2c 00 0f 00 00 05  03 07 00 00 40 00 00 00
+0000fd90  16 00 31 00 0f 00 00 05  03 07 00 00 40 00 00 00
+0000fd90  0b 00 33 00 0f 00 00 05  03 07 00 00 40 00 00 00
+0000fd90  00 00 35 00 0f 00 00 05  03 07 00 00 40 00 00 00
+0000fd90  32 00 36 00 0f 00 00 05  03 07 00 00 40 00 00 00
+0000fd90  28 00 38 00 0f 00 00 05  03 07 00 00 40 00 00 00
+0000fd90  0e 00 3b 00 0f 00 00 05  03 07 00 00 40 00 00 00
+0000fd90  36 00 02 00 10 00 00 05  03 07 00 00 40 00 00 00
+0000fd90  2c 00 04 00 10 00 00 05  03 07 00 00 40 00 00 00

What do you make of this?

Thanks,
Ward.

-- 
Ward Vandewege <ward at fsf.org>
Free Software Foundation - Senior System Administrator