I'm posting you this because of the line below [ 20.547601] [drm] DDC: no ddc bus - possible BIOS bug - please report to [email protected]
I'm using an HP EliteBook 8740w, with Ubuntu GNU/Linux 10.10. $ dmesg | grep drm [ 20.360825] [drm] Initialized drm 1.1.0 20060810 [ 20.464324] [drm] radeon defaulting to kernel modesetting. [ 20.464327] [drm] radeon kernel modesetting enabled. [ 20.465569] [drm] initializing kernel modesetting (JUNIPER 0x1002:0x68A0). [ 20.465710] [drm] register mmio base: 0xD4400000 [ 20.465712] [drm] register mmio size: 131072 [ 20.465871] [drm] Clocks initialized ! [ 20.466873] [drm] Detected VRAM RAM=1024M, BAR=256M [ 20.466877] [drm] RAM width 128bits DDR [ 20.467131] [drm] radeon: 256M of VRAM memory ready [ 20.467133] [drm] radeon: 512M of GTT memory ready. [ 20.467250] [drm] radeon: irq initialized. [ 20.467253] [drm] GART: num cpu pages 131072, num gpu pages 131072 [ 20.468063] [drm] Loading JUNIPER Microcode [ 20.544690] [drm] ring test succeeded in 1 usecs [ 20.544890] [drm] radeon: ib pool ready. [ 20.544963] [drm] ib test succeeded in 0 usecs [ 20.547558] [drm] Radeon Display Connectors [ 20.547561] [drm] Connector 0: [ 20.547562] [drm] LVDS [ 20.547565] [drm] DDC: 0x6470 0x6470 0x6474 0x6474 0x6478 0x6478 0x647c 0x647c [ 20.547567] [drm] Encoders: [ 20.547569] [drm] LCD1: INTERNAL_UNIPHY [ 20.547570] [drm] Connector 1: [ 20.547571] [drm] DisplayPort [ 20.547573] [drm] HPD1 [ 20.547575] [drm] DDC: 0x6430 0x6430 0x6434 0x6434 0x6438 0x6438 0x643c 0x643c [ 20.547576] [drm] Encoders: [ 20.547578] [drm] DFP1: INTERNAL_UNIPHY1 [ 20.547579] [drm] Connector 2: [ 20.547580] [drm] DisplayPort [ 20.547582] [drm] HPD2 [ 20.547584] [drm] DDC: 0x6440 0x6440 0x6444 0x6444 0x6448 0x6448 0x644c 0x644c [ 20.547586] [drm] Encoders: [ 20.547587] [drm] DFP2: INTERNAL_UNIPHY1 [ 20.547589] [drm] Connector 3: [ 20.547590] [drm] DisplayPort [ 20.547591] [drm] HPD3 [ 20.547594] [drm] DDC: 0x6450 0x6450 0x6454 0x6454 0x6458 0x6458 0x645c 0x645c [ 20.547596] [drm] Encoders: [ 20.547597] [drm] DFP3: INTERNAL_UNIPHY2 [ 20.547599] [drm] Connector 4: [ 20.547600] [drm] VGA [ 20.547601] [drm] DDC: no ddc bus - possible BIOS bug - please report to [email protected] [ 20.547603] [drm] Encoders: [ 20.547605] [drm] CRT1: INTERNAL_KLDSCP_DAC1 [ 20.858337] [drm] Internal thermal controller with fan control [ 20.858358] [drm] radeon: power management initialized [ 20.937656] [drm] fb mappable at 0xC0140000 [ 20.937658] [drm] vram apper at 0xC0000000 [ 20.937660] [drm] size 7258112 [ 20.937662] [drm] fb depth is 24 [ 20.937663] [drm] pitch is 6912 [ 21.914666] fb0: radeondrmfb frame buffer device [ 21.914667] drm: registered panic notifier [ 21.915291] [drm] Initialized radeon 2.5.0 20080528 for 0000:01:00.0 on minor 0
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