[flashrom] Acer Ferrari 3400 doesn't work with Flashrom

Michael Karcher Michael.Karcher at fu-berlin.de
Sun Apr 11 22:20:23 CEST 2010


Am Sonntag, den 11.04.2010, 18:41 +0200 schrieb Magnus Alm:
> ========================================================================
> WARNING! You seem to be running flashrom on a laptop.
> Laptops, notebooks and netbooks are difficult to support and we recommend
> to use the vendor flashing utility. The embedded controller (EC) in these
> machines often interacts badly with flashing.
> See http://www.flashrom.org/Laptops for details.
> ========================================================================
This is what you are experiencing. 

> After this the keyboard and touchpad stops working. Also one of the
> thermal sensors stops working too.
This, as well as...

> Apr 11 10:13:33 Ferry kernel: [  488.402190] atkbd.c: Spurious ACK on isa0060/serio0. Some program might be trying access hardware directly.
> Apr 11 10:13:36 Ferry kernel: [  490.588044] ACPI Exception: AE_TIME, Returned by Handler for [EmbeddedControl] (20090903/evregion-424)
> Apr 11 10:13:36 Ferry kernel: [  490.588076] ACPI Error (psparse-0537): Method parse/execution failed [\_TZ_.THRM._TMP] (Node f7010a50), AE_TIME
> Apr 11 10:13:36 Ferry kernel: [  491.272032] ACPI: EC: input buffer is not empty, aborting transaction
...this points to a crashed embedded controller.

> Shutting down and removing power cable and battery resets the
> condition so "sudo flashrom" just disables keyboard/touchpad.
Because this resets the embedded controller.

> I read some abut making support for a laptop but it seemed a bit
> complicated for me.
If you have a vendor BIOS update, the magic to code needed to have the
EC cooperate is included within that update. Do you have a link?

Regards,
  Michael Karcher
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