Created attachment 105924 [details] Xorg.0.log I'm have a new Acer Aspire with an AMD A8-7100 Radeon R5 kaveri chipset with F20. I'm running the 3.16.2 kernel, which includes the patch to recognize the chipset, see https://bugs.freedesktop.org/show_bug.cgi?id=82912. I've also patched libdrm, mesa. and xorg-x11-drv-ati-7.2.0-3.20131101git3b38701.fc20.x86_64 The kernel recognizes the R 5, but radeon doesn't load: see Xorg.0.log attached. Maybe related, the mouse cursor is odd - small, squished - and a 1" x 1/4" white rectangle is just below and to the right of the cursor.
Created attachment 105925 [details] dmesg
As per bug 82912 comment 4, support for all of the relevant components are already upstream: Kernel support: http://lists.freedesktop.org/archives/dri-devel/2014-August/066606.html mesa support: http://cgit.freedesktop.org/mesa/mesa/commit/?id=f50b6b489534f8f362953cbe08d37233f1eab669 ddx support: http://cgit.freedesktop.org/xorg/driver/xf86-video-ati/commit/?id=39fef269f521c92a2a31c80447e9401bacb3797a libdrm_radeon support: http://cgit.freedesktop.org/mesa/drm/commit/?id=3ad801bf1fc4ad3becdcf329fc6fe807eb312e89 *** This bug has been marked as a duplicate of bug 82912 ***
Ok, but I applied the patches to the other three : libdrm, ati, mesa.
Did you patch /usr/lib64/xorg/modules/drivers/ati_drv.so as well as /usr/lib64/xorg/modules/drivers/radeon_drv.so? If not, you need to explicitly choose the radeon driver in /etc/X11/xorg.conf.
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