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* [gentoo-user] Xorg 7.0+composite+radeon OSS drivers+radeon9200se : X cpu usage sometimes rockets to > 80%
@ 2006-10-09 23:11 b.n.
  2006-10-10  6:59 ` Alan McKinnon
                   ` (2 more replies)
  0 siblings, 3 replies; 16+ messages in thread
From: b.n. @ 2006-10-09 23:11 UTC (permalink / raw
  To: gentoo-user

Hi,

Today I tried to enable the composite extension on my Xorg. Nice eye 
candy :) and everything works pretty good.

The only problem is that sometimes the CPU usage shots to > 80% for 
intervals of 20-60 minutes (at pretty random intervals, but it seems to 
me that switching desktops a lot helps the bug to come out) and then 
quietly settles out. If I kill xcompmgr the CPU usage instantly comes 
down to almost zero. Restarting composite makes the CPU usage rise again 
to something like 10-20% (it depends), quite high but bearable.

I should be using a fully hw-accelerated Xorg, however. I have an ATI 
Radeon 9200se card with the following options:

[...]
Section "Device"

     #VideoRam    131072
     # Insert Clocks lines here if appropriate
         Identifier  "** ATI Radeon (generic)               [radeon]"
         Driver      "radeon"
         Option "AccelMethod" "EXA"
         Option "AGPMode" "8"
         Option "AGPFastWrite" "1"
         Option "BackingStore" "true"
EndSection
[...]

that, according to http://gentoo-wiki.com/TIP_Xorg_X11_and_Transparency 
, should give most acceleration for my card. What seems strange to me is 
that the problem happens at random (a misconfiguration should fit better 
a constant high CPU usage).

I am using latest stable 7.0 Xorg.

Any idea to help me understand what the problem can be?

Thanks,
m.
-- 
gentoo-user@gentoo.org mailing list



^ permalink raw reply	[flat|nested] 16+ messages in thread

end of thread, other threads:[~2006-10-11 12:14 UTC | newest]

Thread overview: 16+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2006-10-09 23:11 [gentoo-user] Xorg 7.0+composite+radeon OSS drivers+radeon9200se : X cpu usage sometimes rockets to > 80% b.n.
2006-10-10  6:59 ` Alan McKinnon
2006-10-10  7:02 ` Alan McKinnon
2006-10-10  9:59   ` b.n.
2006-10-10  8:24     ` Alan McKinnon
2006-10-10 11:21   ` Iain Buchanan
2006-10-10 12:47     ` Alan McKinnon
     [not found]     ` <200610101546.08306.grimlog@gmx.de>
2006-10-10 23:11       ` Iain Buchanan
2006-10-10 17:34 ` Richard Fish
2006-10-10 20:53   ` b.n.
2006-10-10 20:24     ` Richard Fish
2006-10-10 20:25       ` Richard Fish
2006-10-10 23:10       ` b.n.
2006-10-10 23:06         ` Ryan Tandy
2006-10-11  2:07           ` b.n.
2006-10-11 12:07             ` Arturo 'Buanzo' Busleiman

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