On Mon, Nov 30, 2009 at 02:47:33PM +0100, Carl-Daniel Hailfinger wrote: > On 30.11.2009 12:01, David Bartley wrote: > > On Mon, Nov 30, 2009 at 2:13 AM, Carl-Daniel Hailfinger wrote: > > > >> Could you please add a Signed-off-by: statement to your patch? > >> > > Done. > > > > Thanks. > > > >> On 30.11.2009 10:19, David Bartley wrote: > >>> On a related note, reading the flash back seems slightly broken; > >>> sometimes the read gets a few bytes wrong. > >> > >> This is very interesting. If you read a few times (without > >> writing/erasing in between), do the results change? If not, this points > >> to an error during writing and we should make sure that this is fixed. > >> An error during reading is much more difficult to diagnose. Please note > >> that latest flashrom (0.9.1-r790) has some improved write checks and > >> should detect write errors better. If you see a pattern in the broken > >> addresses (e.g. always the same, wandering by x bytes, common prefix, > >> common suffix), please tell us about it as well. > >> > > > > I noticed this before I had erase/write working and can reproduce this > > if I reboot and try reading. I can no longer reproduce this after > > flashing though. > > > > Ah, that. Many BIOSes out there change a few bytes in the ROM on each > boot. They store boot date/time and some configuration data. Such > changes are expected. As long as the readback doesn't change between > subsequent reads (without any boot in between), you're in the clear. > > I think the flashrom wiki had some statement about this in the Random > notes section. Please note that the wiki search on flashrom.org is > non-functional right now. Hm. http://www.flashrom.org/Random_notes > doesn't have this info. > > Idwer/Maciej, can one of you please add this info to the random notes > page? Thanks. > > Regards, > Carl-Daniel
My M2V-MX SE kills itself when a pci(e) card is inserted when the original image is flashed to a non-original chip. So this might be the reason. Luc Verhaegen. _______________________________________________ flashrom mailing list [email protected] http://www.flashrom.org/mailman/listinfo/flashrom
