>>> Could this be the problem? >>> >>> # grep ^\(EE /var/log/Xorg.0.log >>> (EE) Failed to load module "vesa" (module does not exist, 0) >>> (EE) Failed to load module "fbdev" (module does not exist, 0) >>> (EE) intel(0): [drm] Failed to open DRM device for : No such file or >>> directory >>> (EE) intel(0): Failed to become DRM master. >>> (EE) intel(0): Failed to initialize kernel memory manager >> >> The first two errors are fine; Xorg defaults to trying vesa and fbdev as >> display drivers and you just don't have them. >> >> The last three are your problem. The intel video driver is unable to >> properly access the DRM subsystem, which will definitely cause X to slow >> to a crawl. >> >> The most likely cause of your errors is that the intel AGP driver (i810 >> or i915, depending on your hardware) isn't getting loaded. If that's >> the case, you should see an error such as: >> >> [drm] failed to load kernel module "i915" >> >> in Xorg.0.log just before the ones from intel. If the modules are being >> loaded, you'll likely see some other errors around that same area. The >> aren't tagged with (EE), unfortunately; try: >> >> # grep -5 'Failed to open DRM' Xorg.0.log >> >> You can also check your dmesg output to see if the devices are being >> initialized properly: >> >> platypus log # dmesg | grep agp >> Linux agpgart interface v0.103 >> agpgart-intel 0000:00:00.0: Intel 965GM Chipset >> agpgart-intel 0000:00:00.0: detected 7676K stolen memory >> agpgart-intel 0000:00:00.0: AGP aperture is 256M @ 0xe0000000 >> >> platypus log # dmesg | grep drm >> [drm] Initialized drm 1.1.0 20060810 >> [drm] set up 7M of stolen space >> [drm] initialized overlay support >> fb0: inteldrmfb frame buffer device >> [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0 >> >> If everything's working, you should have the following devices that the >> Xorg driver needs: >> >> platypus log # ls -l /dev/dri >> total 0 >> crw-rw---- 1 root video 226, 0 Apr 20 13:11 card0 >> crw-rw---- 1 root video 226, 64 Apr 20 13:11 controlD64 > > Ah, thank you so much. I needed to enable CONFIG_DRM_I915 in the kernel. > > - Grant
Strangely, now my laptop's brightness adjustment doesn't work via the keyboard shortcuts. Any ideas on that? - Grant