Now I tried to run the just-compiled driver (today's git) and it's a no go. I'm providing with the xorg.log. Also below is the output of lspci -v (just the ATI part): 07:00.0 VGA compatible controller: ATI Technologies Inc RV515 [Radeon X1300] (prog-if 00 [VGA]) Subsystem: Giga-byte Technology Unknown device 2148 Flags: bus master, fast devsel, latency 0, IRQ 16 Memory at e0000000 (64-bit, prefetchable) [size=256M] Memory at fdef0000 (64-bit, non-prefetchable) [size=64K] I/O ports at ac00 [size=256] Expansion ROM at fdec0000 [disabled] [size=128K] Capabilities: [50] Power Management version 2 Capabilities: [58] Express Endpoint IRQ 0 Capabilities: [80] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable- 07:00.1 Display controller: ATI Technologies Inc RV515 [Radeon X1300] (Secondary) Subsystem: Giga-byte Technology Unknown device 2149 Flags: fast devsel Memory at fdee0000 (64-bit, non-prefetchable) [disabled] [size=64K] Capabilities: [50] Power Management version 2 Capabilities: [58] Express Endpoint IRQ 0