Re: [gentoo-user] 2.6.28-gentoo sources quite sluggish on Dell Inspiron 8100 / 1GHz PIII

[Paul Hartman <paul.hartman+gentoo@gmail.com>]

On Wed, Jan 21, 2009 at 9:05 PM, Dale <rdalek1967@gmail.com> wrote:
> Volker Armin Hemmann wrote:
>> On Donnerstag 22 Januar 2009, Dan Farrell wrote:
>>
>>> Hi all,
>>>
>>> I recently updated my dell Inspirion 8100's software after I found to
>>> my suprise I could no longer play video fast enough to watch.  I did a
>>> kernel upgrade from 2.6.24 to 2.6.28, with a number of
>>> reconfigurations, including moving from madwifi to in-kernel ath5k.
>>> Also updated nvidia-drivers to go along with the new system.
>>>
>>> Now my system is extremely sluggish.  It updates the screen very slowly
>>> in X and CPU performance is noticably slower without X running too.
>>> WiFi speed is dismal.
>>>
>>> I tried to remove all cruft and extras from the kernel, but I haven't
>>> managed to improve matters yet.  Since it now takes hours to update the
>>> system, I was hoping someone might have and idea as to what the cause
>>> of the slowdown might be.
>>>
>>> Sound Familiar?  Any guesses?
>>>
>>
>> group scheduling? get rid of it.
>>
>>
>>
>>
>
> I have been using 2.6.23 kernel for a while for the same reason.  I'm
> going to check my config now.
>
> Dale

On my laptop it is noticeably sluggish when using SLUB instead of SLAB
(despite SLUB being the default, I find it to be worse every time I've
tried it so far)