[Debian-eeepc-devel] Bug#559578: Bug#559578: Fwd: Bug#559578: eeepc-acpi-scripts: EeePC 701 freezes with garbled screen while booting

[Alan Jenkins]

On 12/9/09, Darren Salt <linux at youmustbejoking.demon.co.uk> wrote:
> I demand that Alan Jenkins may or may not have written...
>
> [snip]
>> I think the kernel should disable SHE by default on the 701 models.  I
>> don't mind if it provides a "force_cpufv" option with an appropriate
>> warning.
>
> And I have no problem with modifying eeepc-acpi-scripts accordingly: adding
> documentation ("How to break your 701"), and generating a warning and not
> altering the SHE setting if this option is missing and the script is being
> run on a 701.
>
> We'll need to support current and older kernels for a while yet...
>
> [snip]
>> I don't think it should be left to userspace to get this right.
>
> Agreed.
>
> [snip]

Ok.  If we use a normal module option, the kernel won't be able to
provide a warning when it is set at run-time.  Setting module
parameters under /sys/module/*/parameters just sets a variable; it
doesn't call into the module.

So I guess we want "force_enable_cpufv" as a new sysfs attribute.

Alan