On Thu, Jul 15, 2010 at 12:16 AM, Alex Deucher <alexdeucher@xxxxxxxxx> wrote: > I discussed this with Jerome and I think we found the root cause. > Does this patch help? (patch 0001-drm-radeon-kms-fix-gtt-MC-base-alignment-on-rs4xx-rs.patch) Yes: [ 0.426978] Linux agpgart interface v0.103 [ 0.427141] [drm] Initialized drm 1.1.0 20060810 [ 0.427242] [drm] radeon defaulting to kernel modesetting. [ 0.427300] [drm] radeon kernel modesetting enabled. [ 0.427417] radeon 0000:01:05.0: PCI INT A -> GSI 18 (level, low) -> IRQ 18 [ 0.429732] [drm] initializing kernel modesetting (RS690 0x1002:0x791E). [ 0.429890] [drm] register mmio base: 0xFE9F0000 [ 0.429948] [drm] register mmio size: 65536 [ 0.430537] ATOM BIOS: ATI [ 0.430612] radeon 0000:01:05.0: VRAM: 32M 0xDE000000 - 0xDFFFFFFF (32M used) [ 0.430672] radeon 0000:01:05.0: GTT: 512M 0xA0000000 - 0xBFFFFFFF [ 0.430754] [drm] radeon: irq initialized. [ 0.430817] mtrr: type mismatch for fc000000,2000000 old: write-back new: write-combining [ 0.430890] [drm] Detected VRAM RAM=32M, BAR=32M [ 0.430947] [drm] RAM width 128bits DDR [ 0.431090] [TTM] Zone kernel: Available graphics memory: 2010234 kiB. [ 0.431149] [TTM] Initializing pool allocator. [ 0.431224] [drm] radeon: 32M of VRAM memory ready [ 0.431283] [drm] radeon: 512M of GTT memory ready. [ 0.431343] [drm] GART: num cpu pages 131072, num gpu pages 131072 [ 0.434732] [drm] radeon: 1 quad pipes, 1 z pipes initialized. [ 0.441796] [drm] Loading RS690/RS740 Microcode [ 0.442006] [drm] radeon: ring at 0x00000000A0000000 [ 0.442080] [drm] ring test succeeded in 1 usecs [ 0.442223] [drm] radeon: ib pool ready. [ 0.442289] [drm] ib test succeeded in 0 usecs [ 0.442370] [drm] Default TV standard: NTSC [ 0.442587] [drm] Default TV standard: NTSC [ 0.442866] [drm] Radeon Display Connectors [ 0.442924] [drm] Connector 0: [ 0.442981] [drm] VGA [ 0.443039] [drm] DDC: 0x7e50 0x7e40 0x7e54 0x7e44 0x7e58 0x7e48 0x7e5c 0x7e4c [ 0.443111] [drm] Encoders: [ 0.443169] [drm] CRT1: INTERNAL_KLDSCP_DAC1 [ 0.443227] [drm] Connector 1: [ 0.443284] [drm] S-video [ 0.443340] [drm] Encoders: [ 0.443398] [drm] TV1: INTERNAL_KLDSCP_DAC1 [ 0.443455] [drm] Connector 2: [ 0.443512] [drm] HDMI-A [ 0.443570] [drm] DDC: 0x7e40 0x7e50 0x7e44 0x7e54 0x7e48 0x7e58 0x7e4c 0x7e5c [ 0.443642] [drm] Encoders: [ 0.443700] [drm] DFP3: INTERNAL_LVTM1 [ 0.643372] [drm] fb mappable at 0xFC040000 [ 0.643432] [drm] vram apper at 0xFC000000 [ 0.643489] [drm] size 786432 [ 0.643546] [drm] fb depth is 8 [ 0.643603] [drm] pitch is 1024 [ 0.643742] fbcon: radeondrmfb (fb0) is primary device [ 0.663232] Console: switching to colour frame buffer device 128x48 [ 0.664818] fb0: radeondrmfb frame buffer device [ 0.664837] drm: registered panic notifier [ 0.664856] Slow work thread pool: Starting up [ 0.664919] Slow work thread pool: Ready [ 0.664940] [drm] Initialized radeon 2.5.0 20080528 for 0000:01:05.0 on minor 0 Please note, that I'm only looking for "ring test succeeded" / "ring test failed", as I'm only using the KMS fb console on that system. Thanks for the fix, Torsten _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel