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Running just fine, but I don't have stock Slackware. I'm currently using Slackware-Current i486, with updated kernel (stock 220.127.116.11) and latest NVidia drivers (beta 190.18).
In that case the information is useless. This needs to be tested (as stated a few times before in this thread) against -current (both x86 and x86_64 if possible) with huge-smp-18.104.22.168-smp or generic-smp-22.214.171.124-smp, as those are the supported kernel version.
Besides, the proprietary nVidia drivers overwrite Mesa's libGL.so, does not use libdrm, and has it's own kernel-side driver anyway, so if it works for one user (see above) it does in all probability work for all the others too.
I am using 32bit -current with an ati x1400 and the radeonhd driver in my laptop. I was having a few problems with the setup in -current such as the machine would lock-up when I exited x, even with ctrl-alt-backspace. With these testing packages the problems I was having have disappeared, so everything seems good now with my setup.
I can't startx without a xorg.conf like others have reported, but that doesn't bother me.
I've tested the packages on my laptop with the intel graphic 945GME. I use slackware-current with the stock kernel (126.96.36.199-smp), first I've upgraded all packages except the intel driver, but the graphic was as slow as before.
Then I've tried the intel driver 2.8.0, now everything is fine (with 2.7.1 i had only 50 FPS, with 2.8.0 I've got more than 300FPS).
Now I can play torcs race with my laptop :-)
I finally got around to installing current on my T400 Thinkpad (Intel G45 chipset). Can't complain.
Without an xorg.conf, startx gave me my native resolution of 1280x800. There was no screen tearing when I set xine to use the xv driver and watched several of my AMVs. World of Goo's performance was good (certainly not the stuttering I would get with software rendering). My mouse wheel worked with as both a wheel and a button. The computer did not crash when I switched from X to a virtual console. The computer did not crash when I exited X. Xfce's performance was as fast as expected.
Running glxgears for two iterations produced the following:
2422 frames in 5.000 seconds = 484.400 FPS
1711 frames in 5.000 seconds = 342.200 FPS
I can't duplicate the problem with the non-working xorg.conf (it seems to have started working now).
Of course - isn't that how it goes? :-)
However, the 2.7.1 driver gives me really bad performance in both glxgears and World of Goo:
298 frames in 5.011 seconds = 59.469 FPS
300 frames in 5.002 seconds = 59.976 FPS
300 frames in 5.002 seconds = 59.976 FPS
That's not entirely unexpected re glxgears - the changes they made to it result in a "performance" matching the monitor's refresh rate quite often, so I trust the World of Goo game more than glxgears. Try creating an xorg.conf and specify UXA acceleration in it to see if that makes a difference.