[ltp] Re: ibm-acpi-0.3

[Daniel Pittman]

On 21 Aug 2004, Yip Wai Peng wrote:
> On 20 August 2004 am 04:25, André Wyrwa wrote:
>> Hi,
>>
>>> LCD does not turn off with Fn-F3, even with "echo off >
>>> /proc/acpi/ibm/lcd"
>>
>> check if your root user has access to your running X server. That was
>> the problem for me (that he didn't).
>
> Just wondering. How come when I was using APM the screen could be blanked
> without access with X server and such?

The APM software talks to the system BIOS and asks it to blank the
screen.  So, the security comes from control over the '/dev/apm_bios'
device rather than the control over the X server.

Regards,
        Daniel
-- 
It is preoccupation with possessions, more than anything else,
that prevents us from living freely and nobly.
        -- Bertrand Russell