Le 4 févr. 2014 à 16:22, Aaron Durbin <[email protected]> a écrit :
> On Tue, Feb 4, 2014 at 9:12 AM, Carmelo Ingrao <[email protected]> wrote: >> Hi Aaron, first thanks to take the time to answer :) >> >> Le 4 févr. 2014 à 16:03, Aaron Durbin <[email protected]> a écrit : >>> >>> SeaBIOS was loading correctly until you changed the GBB flags, right? >>> And CTRL+L is just not being detected any longer? Can you change the >>> GBB flags back and determine if the legacy booting still works? >> >> Yes, before doing mess with the gbb flags, the SeaBIOS was correctly working >> : I have once installed Fedora on my c720 >> Now CTRL+L is no longer detected (only a sound out the speakers) >> >> Yes I can change the GBB flags, but which one do I have to set ? > > I was thinking changing them back to 0x00, but it sounds like you > installed Fedora over ChromeOS? And it was working until you changed > the gbb flags? First, I had ChromeOS Then I installed Fedora Then I reinstall ChromeOS (no more Fedora), and at this moment I played with GBB flags. > >> >> >>>> >>>> I have read online it may be caused by the wipe of SeaBIOS part in the >>>> ROM. >>> >>> It's possible. Since you are in dev mode, could you run the following? >>> ' iotools mmio_dump 0xffc00000 0x200000 -b | hexdump -C' It will dump >>> the contents of legacy portion of the flash. We'd know for certain if >>> the area is wiped. >> >> >> I have copy/paste your command, and here is what I obtain : >> >> localhost / # iotools mmio_dump 0xffc00000 0x200000 -b | hexdump -C >> bash: iotools: command not found > > Sorry. I thought you were booting ChromeOS in dev mode (I'm just used > to using iotools). Try this: > > dd iflag=sync if=/dev/mem bs=2M skip=2046 count=1 | hexdump -C Yes I have right now ChromeOS in dev mode but it can’t find the iotools (when I start the laptop it says « press space to enable security) Here the output : localhost / # dd iflag=sync if=/dev/mem bs=2M skip=2046 count=1 | hexdump -C 00000000 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |................| * 1+0 records in 1+0 records out 2097152 bytes (2.1 MB) copied, 1.30793 s, 1.6 MB/s 00200000 Carmelo > > -Aaron -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
