On Wednesday 21 October 2009 23:27:31 Adam Williamson wrote: > On Wed, 2009-10-21 at 15:16 +0800, Liang Suilong wrote: > > Today I upgrade my Fedora to Fedora 12 Beta, It looks very well. But I > > found ATi display driver does not run well. > > > > > > My display card is Sapphire HD3650 with 256MB GDDR3 VRAM (RV635). I > > choose OSS driver for my card. Glxgears runs so smoothly with > > xorg-x11-drv-ati because of KMS by default, nevertheless, rolling up > > and down in the gnome-terminal is quite slow. The performance of > > glxgears is about 210 frams per second. In addition, Switching to > > another window in Fedora 12 Beta is not as fast in Fedora 11. Later, I > > install xorg-x11-drv-radeonhd and set it by default in the > > system-config-display. Then I restart the X. I can not log into gnome. > > The screen turns white. I found xorg-x11-drv-radeonhd is too old, The > > version is 1.2.5 in the rawhide and the latest version 1.3.0 has been > > released for a long time. Now I turn back to xorg-x11-drv-ati. At > > last, I do not know which packages causes the problem, maybe > > xorg-x11-drv-ati, maybe xorg-x11-drv-radeonhd, maybe Mesa. So I > > suggest that packager updates some packge related to ATi R600/R700 > > display card. > > Fedora doesn't really care about the radeonhd driver. We may well even > remove it at some point soon. The ati driver is the one you should use > on Fedora, that's why it's the default. > > You do not get 3D acceleration out of the box on that card, r600 3D > acceleration is too early to be enabled by default. If you want to try > it out, install the mesa-dri-drivers-experimental package. > > For the slow 2D performance - _how_ slow is it, really? gnome-terminal > has never been much of a speed demon. Does it get any faster if you boot > with 'nomodeset' as a kernel parameter? > Hi, I've installed F-12 beta on my new laptop with ati radeon hd 4570 graphic card, I was going to file new bug. With kms enabled, everything is really sloooow, with 'nomodeset' it's much faster. I can't say exactly "how" slow it is, is there anything I can use for measuring? Michal btw, mesa-dri-drivers-experimental does not work at all for me (glx apps segfault) -- fedora-devel-list mailing list fedora-devel-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-devel-list