Messages in this thread |  | | | Date | Mon, 29 Sep 2008 20:42:43 -0700 (Pacific Daylight Time) | | From | "Brandeburg, Jesse" <> | | Subject | Re: Linux 2.6.27-rc8 | |
On Mon, 29 Sep 2008, Linus Torvalds wrote:
> Btw, the _real_ bug is clearly in the hardware design that allows you to
> brick those things without apparently even having a lock bit.
The hardware has a lock bit, and we're trying to figure out why the BIOS
writers guide doesn't say to set it. Probably because of the MAC address,
but who knows.
> I'm hoping Intel doesn't treat this as just a software bug. Some hw
> designer should be thinking hard about which orifice they put their head
> up in.
We will post a patch to e1000e tomorrow that sets a lock bit that prevents
the registers memory mapped by 0:19.0 BAR1 from causing flash write
cycles.
The patches I've just posted don't quite do that yet.
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