acertimeline team mailing list archive

[JimboJones <jimbojones443@xxxxxxxxx>]

FWIW, I disabled all the powersaving "features" in KDE via the System 
Settings module, and killed the KDE battery monitor in task manager and 
just use gnome-power-manager.

With gnome-power-manager the backlight keys work, the screen dims 
automatically, etc. Of course, I've also got the nomodeset and 
acpi_baclight=vendor as kernel boot params. I read on lesswatts.org that 
gpm is always waking the CPU, but I don't have that issue on my machine.

There is some backlight flickering sometimes.
4810T, 1.10 BIOS, Fedora 12 beta.

Jim

On 11/16/2009 04:33 PM, Miguel Branco wrote:
> @Dan
> Thanks for the reply. I'm using Ubuntu Karmic with kubuntu-desktop 
> installed on top.
> I bricked my first timeline on a BIOS downgrade so I'm not feeling too 
> bold on trying an upgrade. My BIOS (for the 4810t) is 1.10.
>
> @Thomas
> Add the following to the GRUB_CMD_LINUX_DEFAULT entry in 
> /etc/default/grub:
> nomodeset acpi_backlight=vendor
>
> and then run sudo update-grub on the terminal.
>
> This fixed it all in gnome for me and others.
>
>
>
> On Mon, Nov 16, 2009 at 23:13, Dan LeVasseur <dan@xxxxxxxxxxxxxxx 
> <mailto:dan@xxxxxxxxxxxxxxx>> wrote:
>
>     What version are you using?  With my 4810tz BIOS 1.3 Kubuntu 9.10
>     the brightness keys worked out of the box and incremented levels
>     20 at a time.  Adding the nomodeset.... allowed me to change
>     increments by 10.
>
>     Might be BIOS that fixed it.
>
>     -Dan
>
>     On Mon, Nov 16, 2009 at 2:50 PM, Miguel Branco <mig.jcb@xxxxxxxxx
>     <mailto:mig.jcb@xxxxxxxxx>> wrote:
>
>         Hello there,
>         I'm happy with my 4810T so far, I have no noise at all and
>         almost everything works.
>         However, while the 'nomodeset acpi_backlight=...' fix for the
>         backlight is perfect in Gnome, it doesn't work at all in KDE.
>
>         The script fix works, but it's unpractical to input the
>         password each time you want to change the brightness.
>         I'm not even mentioning that you lose the option of using the
>         built in sliders.
>
>         Does anyone know another option or hybrid way that works on
>         KDE? I'd even be happy if I could say setpci doesn't need sudo.
>
>         Thanks,
>         Miguel
>
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