Hi,
I'm also affected by the same problem: when going on the page
http://www.info-cybernetics.org/citsa2006 with Firefox, Xorg CPU
consumption goes crazy. It takes ~90% of the CPU, Firefox taking the
remaining 10%. And as Xorg is niced -10, all the other processes are
almost stopped.
I made some tests with various machines in order to try to find out
what's going on.
* Computer 1:
- Athlon XP 2000+, 256 MB RAM, nVidia nForce2 graphics
- Running Firefox 1.5.dfsg+1.5.0.1-2
- Running Xorg 6.8.2.dfsg.1-11 (yes, system is not uptodate)
- Nvidia proprietary driver 1.0-8178
Results:
- with the free 'nv' driver, bug is reproducible
- with the proprietary 'nvidia' driver, bug is not reproducible
* Computer 2:
- Athlon 64 2800+ (running 32bits Debian), 512 MB RAM,
nForce3 graphics
- Running Firefox 1.5.dfsg+1.5.0.6-3
- Running Xorg 7.0.23 and Xorg-video-nv 1.0.1.5-2
- Nvidia proprietary driver 1.0-8774
Results:
- with the free 'nv' driver, bug is reproducible
- with the proprietary 'nvidia' driver, bug is not reproducible
* Computer 3:
- Dell Latitude D410, Intel i915
- Running Firefox 1.5.dfsg+1.5.0.6-1
- Running Xorg 7.0.22 and Xorg-video-i810 1.5.1.0-2
Results:
- Bug is not reproducible
Conclusion: it seems that the bug is related to the video graphic
driver being used. Maybe Firefox, on some pages, uses intensively a
very CPU-consuming function of the 'nv' driver, while the same function
is correctly implemented in the 'nvidia' and 'i810' drivers.
If you need more informations, don't hesitate to ask.
Sincerly,
Thomas
--
PETAZZONI Thomas - [EMAIL PROTECTED]
http://{thomas,sos,kos}.enix.org - Jabber: [EMAIL PROTECTED]
http://{agenda,livret}dulibre.org - http://www.toulibre.org
Fingerprint : 0BE1 4CF3 CEA4 AC9D CC6E 1624 F653 CB30 98D3 F7A7
