X consumes nearly 100% cpu

Sven.Sanwald Sven.Sanwald at web.de
Mon Nov 11 05:58:11 PST 2002


           >Hello!
           >
           >I compiled the XFree86 server 4.2.1
           >(BLFS-cvs) and I'm using the nv driver.
           >When I start the X-server and change
           >to the graphical display (KDE) then
           >the X consumes about 100% of the
           >cpu; going back to the non graphics
           >console the X load on the cpu
           >vanishes.
           >Why consumes X so much cpu?
           >Sven

James Drabb wrote:

>On Mon, 11 Nov 2002 09:42:46 +0100
>Matthias Benkmann <matthias at winterdrache.de> wrote:
>
>  
>
>>On Mon, 11 Nov 2002 08:59:20 +0100 "Sven.Sanwald"
>><Sven.Sanwald at web.de> wrote:
>>
>>
>>    
>>
>>>I'm using the nv driver.
>>>      
>>>
>>Try without it (and without loading the corresponding kernel module).
>>If that makes the problem go away, contact NVidia.
>>    
>>
>
>The nv driver is the non-accelerated nvidia driver that comes with X and
>not the accelerated binary only version that comes form nvidia.
>
>  
>
>>>Why consumes X so much cpu?
>>>      
>>>
>>I don't know but I can assure you that it's not normal. X uses less
>>than 1% on my system.
>>    
>>
>
>True, X should _not_ be sucking up 100% cpu.  What X hint did you
>follow?  There are a few hints availiable, I recommend the
>xfree+freetype hint.  Maybe your build didn't work right.  You could
>try a rebuild and do_not_ optimize, let X choose optimizatition flags.
>You could try installing the binary nvidia drivers and see how X
>responds?  I used the non-accelerated nv drivers a few times and X
>performance should be fine except when you try to do any type of 3D
>stuff or sometimes when using mozilla and a page with alot of animated
>gifs, etc.  I use the binary nvidia drivers and they are really fast and
>stable on my end.
>
>Jim Drabb
>  
>
I followed the hints in the BLFS-cvs book (only for XFree86),
but I will take the xfree+freetype hint and try again.
I think, that I didn't care so much about freetype.....
thanks
sven



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