asus-ul30 team mailing list archive

[Jonathan Wagner <jonathan@xxxxxxxxxxxxxxxxxx>]

Edit /etc/default/grub and then run update-grub to update the (new in grub2)
/boot/grub/grub.cfg.

The line you're interested in is GRUB_CMDLINE_LINUX_DEFAULT. Mine is set to
the following:

GRUB_CMDLINE_LINUX_DEFAULT="acpi_backlight=vendor i915.powersave=0 vga=792
quiet splash"

Jonathan Wagner



On Thu, May 6, 2010 at 6:38 PM, Joel VanderWerf <joelvanderwerf@xxxxxxxxx>wrote:

>
> Works for me when I add that parameter at boot time, but I don't know how
> to permanently add it. The answer used to be menu.lst. But in 9.10 and
> later, where does it go? Somewhere in /etc/grub.d, I suppose?
>
> I'm using 9.10 on ul80vt, with kernel 2.6.33-020633-generic.
>
> Appreciate any suggestions...
>
>
> Tero Mononen wrote:
>
>> Hi
>>
>> Kernel parameter i915.powersave=0 in grub fixes this issue and I'm very
>> pleased by that.
>>
>>
>> Tero Mononen
>>
>> On 04/13/2010 05:42 PM, Ralf Barth wrote:
>>
>>> On Tue, 13 Apr 2010 10:32:54 -0400
>>> Michael Hess<mhess@xxxxxxxxxxx>  wrote:
>>>
>>>
>>>
>>>> Can others confirm that it's definitely a kernel problem?  I'm trying
>>>> to decide if I should exchange the laptop for another.
>>>>
>>>>
>>> Definitely a kernel problem. You could easily downgrade to 2.6.31 and
>>> notice the flickering is gone. It's due to new DRM kernel code since
>>> 2.6.32 and still present in .34 RCs
>>>
>>> Cheers,
>>> Ralf.
>>>
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>>>
>>
>>
>
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