[flashrom] [PATCH] Add support for ASUS M2V-MX board

Maciej Pijanka maciej.pijanka at gmail.com
Mon Nov 30 15:53:17 CET 2009


On Mon, 30 Nov 2009, 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:
> >> 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.

Done
 
> Regards,
> Carl-Daniel


Maciej 

-- 
Maciej Pijanka
reg. Linux user #133161




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