Re: [Bug #11382] e1000e: 2.6.27-rc1 corrupts EEPROM/NVM

From: Jiri Kosina
Date: Thu Sep 25 2008 - 13:28:55 EST


On Thu, 25 Sep 2008, Frans Pop wrote:

> Extra datapoint. As far as I've seen this problem has not yet been
> reported by any people running Debian. This could point to X.Org as
> Debian currently has 7.3 while I think the reports so far have been with
> 7.4.

Yes, I think that xorg/xorg i915 driver/libdrm/GEM/whatever are the
biggest suspect currently, according to the data that has been gathered so
far.

Still, what confuses me a little bit -- the EEPROM of the card is set to
all 0xff, once the corruption happens. Isn't that a quite a coincidence,
that bytes representing "nothing" in this context are used?

If being set to 0 (it's so easy to call memset(0) on a bogus pointer,
there are usually lots of them in the code) or to random garbage, it would
seem to be much more understandable, than 0xff.

--
Jiri Kosina
SUSE Labs

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