acpi + synaptics trackpad in 2.5

acpi + synaptics trackpad in 2.5

[Joshua Kwan]

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Whenever I run a ACPI battery monitor in X, my mouse goes completely 
insane - goes around everywhere, and clicks randomly. the second i close 
it, everything returns to normal.

Logs show no suspicious output when this happens.
I used wmbattery that Joey Hess edited to work with 2.5 ACPI, I have 
posted it a website but I'm not sure whether it's GPL-compliant to post 
it there and give the URL in this message without the source diff.... 
does anyone care at this point?

Regards
Josh

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acpi + keyboard/mouse problems [was Re: acpi + synaptics trackpad in 2.5]

[Pavel Machek]

Hi!

> Whenever I run a ACPI battery monitor in X, my mouse goes completely 
> insane - goes around everywhere, and clicks randomly. the second i close 
> it, everything returns to normal.

What machine?

When I turn on ACPI on HP omnibook xe3, keyboard/mouse freezes
randomly and I have to press power button to get machine back (power
*unfreezes* the machine).

Anyone  seen something similar?
								Pavel
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Re: acpi + keyboard/mouse problems [was Re: acpi + synaptics trackpad in 2.5]

[Joshua Kwan]

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On Wed, Feb 05, 2003 at 12:33:02AM +0100, Pavel Machek wrote:
> Hi!
> 
> > Whenever I run a ACPI battery monitor in X, my mouse goes completely 
> > insane - goes around everywhere, and clicks randomly. the second i close 
> > it, everything returns to normal.
> 
> What machine?

This is a Dell SmartStep 200N. I have no other working laptops using 
ACPI so I can't know for sure how big a problem this is :)

Regards
Josh

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Re: acpi + keyboard/mouse problems [was Re: acpi + synaptics trackpad in 2.5]

[Andrew Rodland]

Joshua Kwan wrote:

> On Wed, Feb 05, 2003 at 12:33:02AM +0100, Pavel Machek wrote:
>> Hi!
>> 
>> > Whenever I run a ACPI battery monitor in X, my mouse goes completely
>> > insane - goes around everywhere, and clicks randomly. the second i
>> > close it, everything returns to normal.
>> 
>> What machine?
> 
> This is a Dell SmartStep 200N. I have no other working laptops using
> ACPI so I can't know for sure how big a problem this is :)

Alright...
I know that some Dells (although I can't say whether yours is one) do their
ACPI by calling back into Dell SMM calls -- which takes the processor away
from linux for a significant amount of time; enough to cause clock
slippage, and loss of mouse data. And I'm guessing an ACPI battery monitor
polls at a fairly short interval, so, it could be related.

Cheers
--hobbs