Here's the full log with latest revision. I did run it with latest libdrm master branch (commit 9c8d634e687a5a5b5d314b3fd5b34cc17a217139 ). I just paste here Xorg log when I try enabling the VGA output : (II) intel(0): EDID for output TV (II) intel(0): I2C bus "CRTDDC_A" initialized. (II) intel(0): I2C device "CRTDDC_A:ddc2" registered at address 0xA0. (II) intel(0): I2C device "CRTDDC_A:ddc2" removed. (II) intel(0): I2C bus "CRTDDC_A" removed. (II) intel(0): EDID for output VGA (II) intel(0): Manufacturer: GSM Model: 566a Serial#: 5372 (II) intel(0): Year: 2007 Week: 12 (II) intel(0): EDID Version: 1.3 (II) intel(0): Analog Display Input, Input Voltage Level: 0.700/0.700 V (II) intel(0): Sync: Separate SyncOnGreen (II) intel(0): Max Image Size [cm]: horiz.: 49 vert.: 32 (II) intel(0): Gamma: 2.20 (II) intel(0): DPMS capabilities: StandBy Suspend Off; RGB/Color Display (II) intel(0): First detailed timing is preferred mode (II) intel(0): redX: 0.635 redY: 0.342 greenX: 0.292 greenY: 0.611 (II) intel(0): blueX: 0.147 blueY: 0.070 whiteX: 0.313 whiteY: 0.329 (II) intel(0): Supported VESA Video Modes: (II) intel(0): 720x400@70Hz (II) intel(0): 640x480@60Hz (II) intel(0): 640x480@75Hz (II) intel(0): 800x600@56Hz (II) intel(0): 800x600@60Hz (II) intel(0): 800x600@75Hz (II) intel(0): 832x624@75Hz (II) intel(0): 1024x768@60Hz (II) intel(0): 1024x768@75Hz (II) intel(0): 1280x1024@75Hz (II) intel(0): 1152x870@75Hz (II) intel(0): Manufacturer's mask: 0 (II) intel(0): Supported Future Video Modes: (II) intel(0): #0: hsize: 1440 vsize 900 refresh: 75 vid: 3989 (II) intel(0): #1: hsize: 1440 vsize 900 refresh: 60 vid: 149 (II) intel(0): #2: hsize: 1280 vsize 1024 refresh: 60 vid: 32897 (II) intel(0): #3: hsize: 1280 vsize 960 refresh: 60 vid: 16513 (II) intel(0): #4: hsize: 1152 vsize 864 refresh: 75 vid: 20337 (II) intel(0): Supported additional Video Mode: (II) intel(0): clock: 119.0 MHz Image Size: 474 x 296 mm (II) intel(0): h_active: 1680 h_sync: 1728 h_sync_end 1760 h_blank_end 1840 h_border: 0 (II) intel(0): v_active: 1050 v_sync: 1053 v_sync_end 1059 v_blanking: 1080 v_border: 0 (II) intel(0): Supported additional Video Mode: (II) intel(0): clock: 146.2 MHz Image Size: 474 x 296 mm (II) intel(0): h_active: 1680 h_sync: 1784 h_sync_end 1960 h_blank_end 2240 h_border: 0 (II) intel(0): v_active: 1050 v_sync: 1053 v_sync_end 1059 v_blanking: 1089 v_border: 0 (II) intel(0): Ranges: V min: 56 V max: 75 Hz, H min: 28 H max: 83 kHz, PixClock max 150 MHz (II) intel(0): Monitor name: L226W (II) intel(0): EDID (in hex): (II) intel(0): 00ffffffffffff001e6d6a56fc140000 (II) intel(0): 0c1101036a312078eaaec5a2574a9c25 (II) intel(0): 125054a76b80950f950081808140714f (II) intel(0): 0101010101017c2e90a0601a1e403020 (II) intel(0): 3600da281100001a21399030621a2740 (II) intel(0): 68b03600da281100001c000000fd0038 (II) intel(0): 4b1c530f000a202020202020000000fc (II) intel(0): 004c323236570a202020202020200023 (II) intel(0): EDID vendor "GSM", prod id 22122 (II) intel(0): Not using default mode "640x350" (vrefresh out of range) (II) intel(0): Not using default mode "640x400" (vrefresh out of range) (II) intel(0): Not using default mode "720x400" (vrefresh out of range) (II) intel(0): Not using default mode "640x480" (vrefresh out of range) (II) intel(0): Not using default mode "800x600" (vrefresh out of range) (II) intel(0): Not using default mode "1024x768" (vrefresh out of range) (II) intel(0): Not using default mode "1280x960" (vrefresh out of range) (II) intel(0): Not using default mode "1280x1024" (bad mode clock/interlace/doublescan) (II) intel(0): Not using default mode "1600x1200" (bad mode clock/interlace/doublescan) (II) intel(0): Not using default mode "1600x1200" (bad mode clock/interlace/doublescan) (II) intel(0): Not using default mode "1600x1200" (bad mode clock/interlace/doublescan) (II) intel(0): Not using default mode "1600x1200" (bad mode clock/interlace/doublescan) (II) intel(0): Not using default mode "1600x1200" (bad mode clock/interlace/doublescan) (II) intel(0): Not using default mode "1792x1344" (bad mode clock/interlace/doublescan) (II) intel(0): Not using default mode "1792x1344" (bad mode clock/interlace/doublescan) (II) intel(0): Not using default mode "1856x1392" (bad mode clock/interlace/doublescan) (II) intel(0): Not using default mode "1856x1392" (bad mode clock/interlace/doublescan) (II) intel(0): Not using default mode "1920x1440" (bad mode clock/interlace/doublescan) (II) intel(0): Not using default mode "1920x1440" (bad mode clock/interlace/doublescan) (II) intel(0): Not using default mode "1152x864" (vrefresh out of range) (II) intel(0): Not using default mode "1152x864" (vrefresh out of range) (II) intel(0): Not using default mode "1152x864" (vrefresh out of range) (II) intel(0): Not using default mode "1360x768" (monitor doesn't support reduced blanking) (II) intel(0): Not using default mode "1400x1050" (bad mode clock/interlace/doublescan) (II) intel(0): Not using default mode "1400x1050" (bad mode clock/interlace/doublescan) (II) intel(0): Not using default mode "1680x1050" (monitor doesn't support reduced blanking) (II) intel(0): Not using default mode "1680x1050" (bad mode clock/interlace/doublescan) (II) intel(0): Not using default mode "1680x1050" (bad mode clock/interlace/doublescan) (II) intel(0): Not using default mode "1680x1050" (bad mode clock/interlace/doublescan) (II) intel(0): Not using default mode "1920x1080" (monitor doesn't support reduced blanking) (II) intel(0): Not using default mode "1920x1200" (bad mode clock/interlace/doublescan) (II) intel(0): Not using default mode "1920x1440" (bad mode clock/interlace/doublescan) (II) intel(0): Not using default mode "2048x1536" (bad mode clock/interlace/doublescan) (II) intel(0): Not using default mode "2048x1536" (bad mode clock/interlace/doublescan) (II) intel(0): Not using default mode "2048x1536" (bad mode clock/interlace/doublescan) (II) intel(0): Printing probed modes for output VGA (II) intel(0): Modeline "1280x1024"x75.0 135.00 1280 1296 1440 1688 1024 1025 1028 1066 +hsync +vsync (80.0 kHz) (II) intel(0): Modeline "1680x1050"x59.9 119.00 1680 1728 1760 1840 1050 1053 1059 1080 +hsync -vsync (64.7 kHz) (II) intel(0): Modeline "1680x1050"x60.0 146.25 1680 1784 1960 2240 1050 1053 1059 1089 -hsync +vsync (65.3 kHz) (II) intel(0): Modeline "1600x1024"x60.2 103.12 1600 1600 1656 1664 1024 1024 1029 1030 +hsync +vsync (62.0 kHz) (II) intel(0): Modeline "1400x1050"x70.0 145.06 1400 1496 1648 1896 1050 1051 1054 1093 -hsync +vsync (76.5 kHz) (II) intel(0): Modeline "1400x1050"x60.0 122.00 1400 1488 1640 1880 1050 1052 1064 1082 +hsync +vsync (64.9 kHz) (II) intel(0): Modeline "1280x1024"x60.0 108.88 1280 1360 1496 1712 1024 1025 1028 1060 -hsync +vsync (63.6 kHz) (II) intel(0): Modeline "1280x1024"x60.0 108.00 1280 1328 1440 1688 1024 1025 1028 1066 +hsync +vsync (64.0 kHz) (II) intel(0): Modeline "1440x900"x75.0 136.49 1440 1536 1688 1936 900 901 904 940 -hsync +vsync (70.5 kHz) (II) intel(0): Modeline "1440x900"x59.9 106.50 1440 1520 1672 1904 900 903 909 934 -hsync +vsync (55.9 kHz) (II) intel(0): Modeline "1440x900"x60.0 106.47 1440 1520 1672 1904 900 901 904 932 -hsync +vsync (55.9 kHz) (II) intel(0): Modeline "1280x960"x60.0 108.00 1280 1376 1488 1800 960 961 964 1000 +hsync +vsync (60.0 kHz) (II) intel(0): Modeline "1280x960"x60.0 102.10 1280 1360 1496 1712 960 961 964 994 -hsync +vsync (59.6 kHz) (II) intel(0): Modeline "1360x768"x59.8 84.75 1360 1432 1568 1776 768 771 781 798 -hsync +vsync (47.7 kHz) (II) intel(0): Modeline "1152x864"x75.0 108.00 1152 1216 1344 1600 864 865 868 900 +hsync +vsync (67.5 kHz) (II) intel(0): Modeline "1152x864"x75.0 104.99 1152 1224 1352 1552 864 865 868 902 -hsync +vsync (67.7 kHz) (II) intel(0): Modeline "1152x864"x75.0 104.99 1152 1224 1352 1552 864 865 868 902 -hsync +vsync (67.6 kHz) (II) intel(0): Modeline "1152x864"x70.0 96.77 1152 1224 1344 1536 864 865 868 900 -hsync +vsync (63.0 kHz) (II) intel(0): Modeline "1152x864"x60.0 81.62 1152 1216 1336 1520 864 865 868 895 -hsync +vsync (53.7 kHz) (II) intel(0): Modeline "1024x768"x75.1 78.80 1024 1040 1136 1312 768 769 772 800 +hsync +vsync (60.1 kHz) (II) intel(0): Modeline "1024x768"x75.0 78.75 1024 1040 1136 1312 768 769 772 800 +hsync +vsync (60.0 kHz) (II) intel(0): Modeline "1024x768"x70.1 75.00 1024 1048 1184 1328 768 771 777 806 -hsync -vsync (56.5 kHz) (II) intel(0): Modeline "1024x768"x60.0 65.00 1024 1048 1184 1344 768 771 777 806 -hsync -vsync (48.4 kHz) (II) intel(0): Modeline "832x624"x74.6 57.28 832 864 928 1152 624 625 628 667 -hsync -vsync (49.7 kHz) (II) intel(0): Modeline "800x600"x72.2 50.00 800 856 976 1040 600 637 643 666 +hsync +vsync (48.1 kHz) (II) intel(0): Modeline "800x600"x75.0 49.50 800 816 896 1056 600 601 604 625 +hsync +vsync (46.9 kHz) (II) intel(0): Modeline "800x600"x60.3 40.00 800 840 968 1056 600 601 605 628 +hsync +vsync (37.9 kHz) (II) intel(0): Modeline "800x600"x56.2 36.00 800 824 896 1024 600 601 603 625 +hsync +vsync (35.2 kHz) (II) intel(0): Modeline "640x480"x75.0 31.50 640 656 720 840 480 481 484 500 -hsync -vsync (37.5 kHz) (II) intel(0): Modeline "640x480"x72.8 31.50 640 664 704 832 480 489 492 520 -hsync -vsync (37.9 kHz) (II) intel(0): Modeline "640x480"x75.0 31.50 640 656 720 840 480 481 484 500 -hsync -vsync (37.5 kHz) (II) intel(0): Modeline "640x480"x60.0 25.20 640 656 752 800 480 490 492 525 -hsync -vsync (31.5 kHz) (II) intel(0): Modeline "640x480"x59.9 25.18 640 656 752 800 480 490 492 525 -hsync -vsync (31.5 kHz) (II) intel(0): Modeline "720x400"x70.1 28.32 720 738 846 900 400 412 414 449 -hsync +vsync (31.5 kHz) (II) intel(0): LID switch detect open with ACPI button (II) intel(0): EDID for output LVDS (II) intel(0): Manufacturer: CMO Model: 1526 Serial#: 0 (II) intel(0): Year: 2006 Week: 9 (II) intel(0): EDID Version: 1.3 (II) intel(0): Digital Display Input (II) intel(0): Max Image Size [cm]: horiz.: 33 vert.: 21 (II) intel(0): Gamma: 2.20 (II) intel(0): No DPMS capabilities specified (II) intel(0): Supported color encodings: RGB 4:4:4 YCrCb 4:4:4 (II) intel(0): First detailed timing is preferred mode (II) intel(0): GTF timings supported (II) intel(0): redX: 0.604 redY: 0.340 greenX: 0.306 greenY: 0.521 (II) intel(0): blueX: 0.150 blueY: 0.119 whiteX: 0.314 whiteY: 0.321 (II) intel(0): Manufacturer's mask: 0 (II) intel(0): Supported additional Video Mode: (II) intel(0): clock: 71.0 MHz Image Size: 331 x 207 mm (II) intel(0): h_active: 1280 h_sync: 1328 h_sync_end 1360 h_blank_end 1440 h_border: 0 (II) intel(0): v_active: 800 v_sync: 803 v_sync_end 809 v_blanking: 823 v_border: 0 (II) intel(0): N154I2-L02 (II) intel(0): CMO (II) intel(0): N154I2-L02 (II) intel(0): EDID (in hex): (II) intel(0): 00ffffffffffff000daf261500000000 (II) intel(0): 09100103802115780ac6a99a574e8526 (II) intel(0): 1e505200000001010101010101010101 (II) intel(0): 010101010101bc1b00a0502017303020 (II) intel(0): 36004bcf10000018000000fe004e3135 (II) intel(0): 3449322d4c30320a2020000000fe0043 (II) intel(0): 4d4f0a202020202020202020000000fe (II) intel(0): 004e31353449322d4c30320a20200088 (II) intel(0): EDID vendor "CMO", prod id 5414 (II) intel(0): Printing DDC gathered Modelines: (II) intel(0): Modeline "1280x800"x0.0 71.00 1280 1328 1360 1440 800 803 809 823 -hsync -vsync (49.3 kHz) (II) intel(0): EDID vendor "CMO", prod id 5414 (II) intel(0): Not using default mode "640x350" (vrefresh out of range) (II) intel(0): Not using default mode "640x400" (vrefresh out of range) (II) intel(0): Not using default mode "720x400" (vrefresh out of range) (II) intel(0): Not using default mode "640x480" (vrefresh out of range) (II) intel(0): Not using default mode "640x480" (vrefresh out of range) (II) intel(0): Not using default mode "640x480" (vrefresh out of range) (II) intel(0): Not using default mode "800x600" (vrefresh out of range) (II) intel(0): Not using default mode "800x600" (vrefresh out of range) (II) intel(0): Not using default mode "800x600" (vrefresh out of range) (II) intel(0): Not using default mode "800x600" (vrefresh out of range) (II) intel(0): Not using default mode "1024x768" (vrefresh out of range) (II) intel(0): Not using default mode "1024x768" (vrefresh out of range) (II) intel(0): Not using default mode "1024x768" (vrefresh out of range) (II) intel(0): Not using default mode "1152x864" (vrefresh out of range) (II) intel(0): Not using default mode "1280x960" (hsync out of range) (II) intel(0): Not using default mode "1280x960" (vrefresh out of range) (II) intel(0): Not using default mode "1280x1024" (hsync out of range) (II) intel(0): Not using default mode "1280x1024" (vrefresh out of range) (II) intel(0): Not using default mode "1280x1024" (vrefresh out of range) (II) intel(0): Not using default mode "1600x1200" (hsync out of range) (II) intel(0): Not using default mode "1600x1200" (vrefresh out of range) (II) intel(0): Not using default mode "1600x1200" (vrefresh out of range) (II) intel(0): Not using default mode "1600x1200" (vrefresh out of range) (II) intel(0): Not using default mode "1600x1200" (vrefresh out of range) (II) intel(0): Not using default mode "1792x1344" (hsync out of range) (II) intel(0): Not using default mode "1792x1344" (vrefresh out of range) (II) intel(0): Not using default mode "1856x1392" (hsync out of range) (II) intel(0): Not using default mode "1856x1392" (vrefresh out of range) (II) intel(0): Not using default mode "1920x1440" (hsync out of range) (II) intel(0): Not using default mode "1920x1440" (vrefresh out of range) (II) intel(0): Not using default mode "832x624" (vrefresh out of range) (II) intel(0): Not using default mode "1152x864" (hsync out of range) (II) intel(0): Not using default mode "1152x864" (vrefresh out of range) (II) intel(0): Not using default mode "1152x864" (vrefresh out of range) (II) intel(0): Not using default mode "1152x864" (vrefresh out of range) (II) intel(0): Not using default mode "1152x864" (vrefresh out of range) (II) intel(0): Not using default mode "1152x864" (vrefresh out of range) (II) intel(0): Not using default mode "1360x768" (monitor doesn't support reduced blanking) (II) intel(0): Not using default mode "1360x768" (exceeds panel dimensions) (II) intel(0): Not using default mode "1400x1050" (hsync out of range) (II) intel(0): Not using default mode "1400x1050" (vrefresh out of range) (II) intel(0): Not using default mode "1400x1050" (vrefresh out of range) (II) intel(0): Not using default mode "1400x1050" (vrefresh out of range) (II) intel(0): Not using default mode "1440x900" (hsync out of range) (II) intel(0): Not using default mode "1600x1024" (hsync out of range) (II) intel(0): Not using default mode "1680x1050" (hsync out of range) (II) intel(0): Not using default mode "1680x1050" (hsync out of range) (II) intel(0): Not using default mode "1680x1050" (vrefresh out of range) (II) intel(0): Not using default mode "1680x1050" (vrefresh out of range) (II) intel(0): Not using default mode "1680x1050" (vrefresh out of range) (II) intel(0): Not using default mode "1920x1080" (hsync out of range) (II) intel(0): Not using default mode "1920x1200" (hsync out of range) (II) intel(0): Not using default mode "1920x1440" (vrefresh out of range) (II) intel(0): Not using default mode "2048x1536" (hsync out of range) (II) intel(0): Not using default mode "2048x1536" (vrefresh out of range) (II) intel(0): Not using default mode "2048x1536" (vrefresh out of range) (II) intel(0): Printing probed modes for output LVDS (II) intel(0): Modeline "1280x800"x59.9 71.00 1280 1328 1360 1440 800 803 809 823 -hsync -vsync (49.3 kHz) (II) intel(0): Modeline "1024x768"x60.0 65.00 1024 1048 1184 1344 768 771 777 806 -hsync -vsync (48.4 kHz) (II) intel(0): Modeline "800x600"x60.3 40.00 800 840 968 1056 600 601 605 628 +hsync +vsync (37.9 kHz) (II) intel(0): Modeline "640x480"x59.9 25.18 640 656 752 800 480 490 492 525 -hsync -vsync (31.5 kHz) (II) intel(0): No TV connection detected (II) intel(0): EDID for output TV