Public bug reported: Hello all,
What I expected to happen: I expected a normal picture on all of my monitors. What happened instead: I have a problem with xrandr, or at least with my video cards, now I'm using the ubuntu 13.04 live DVD, but if I use an up-to-date ubuntu server 13.10 installation with x.org installed, the same problem occurs. I have three video cards, one IGP, one PCI-e and one PCI, in that order: [CODE] root@ubuntu:~# lspci | grep VGA 01:05.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI RS880 [Radeon HD 4250] 02:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI RV610 [Radeon HD 2400 PRO] 06:06.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI RV250/M9 GL [Mobility FireGL 9000/Radeon 9000] (rev 02) [/CODE] The IGP is connected via DVI to a 24" monitor and via VGA to a 17" monitor, all good so far. Then I have three monitors left, two 15" VGA and one 17" vga, so to use all monitors, I have to use one DVI-VGA adapter. No matter in what order/combination I connect the monitors to the video cards, the monitor that is connected via the adapter always flickers along with the other monitor on that same card (does not matter which card). It seems like the two monitors have two sperate framebuffers, but by default they both show the framebuffer for the monitor with adapter, but when I move the mouse they switch rapidly from that framebuffer to the other and back. It's hard to explain, but here are three video's showing the problem: http://www.youtube.com/watch?v=tQiJADHGuZg (Top-Right monitor connected via adapter, in the same card as Bottom-Right) http://www.youtube.com/watch?v=lk9muK8f06c (Top-Left monitor connected via adapter, in the same card as Bottom-Right) http://www.youtube.com/watch?v=6Ses1jUcu2k (Top-Left monitor connected via adapter, in the same card as Top-Right) They're recorded with my phone, so I hope they're clear enough to see the problem. Now I hear you ask, why do I think it's a xrandr problem, well I have the exact same setup used with zaphodhead mode and xinerama, it works but its EXTREMELY slow. I have already tried another DVI-VGA adapter, but with the same results. Another strange thing is that xrandr seems to think that two monitors are clones (one of which not connected): [CODE] ubuntu@ubuntu:~$ xrandr --verbose Screen 0: minimum 320 x 200, current 6528 x 1295, maximum 8192 x 8192 VGA-0 connected 1280x1024+0+56 (0x50) normal (normal left inverted right x axis y axis) 340mm x 270mm Identifier: 0xab Timestamp: 326178 Subpixel: no subpixels Gamma: 1.0:1.0:1.0 Brightness: 1.0 Clones: CRTC: 0 CRTCs: 0 1 Transform: 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 filter: EDID: 00ffffffffffff0022f05c2601010101 1e0f010368221b8cee5e50a6544c9926 145054adef8081800101010101010101 010101010101302a009851002a403070 1300540e1100001e000000fd00324c1e 530e000a202020202020000000fc0048 50204c313730360a20202020000000ff 00434e43353330315957590a2020008c load detection: 1 (0x00000001) range: (0,1) 1280x1024 (0x50) 108.0MHz +HSync +VSync *current +preferred h: width 1280 start 1328 end 1440 total 1688 skew 0 clock 64.0KHz v: height 1024 start 1025 end 1028 total 1066 clock 60.0Hz </snip> HDMI-0 connected 1920x1080+1280+0 (0xaf) normal (normal left inverted right x axis y axis) 521mm x 293mm Identifier: 0xac Timestamp: 326178 Subpixel: horizontal rgb Gamma: 1.0:1.0:1.0 Brightness: 1.0 Clones: CRTC: 1 CRTCs: 0 1 Transform: 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 filter: EDID: 00ffffffffffff0026cd0d5601010101 2b14010381341e782aeed5a555489b26 125054bfef80b300a9409500818f8180 950f714f81c0023a801871382d40582c 450009252100001e000000ff00313130 30313034333030393834000000fd0037 4c1d5111000a202020202020000000fc 00504c45323430374844530a20200019 underscan vborder: 0 (0x00000000) range: (0,128) underscan hborder: 0 (0x00000000) range: (0,128) underscan: off supported: off on auto coherent: 1 (0x00000001) range: (0,1) 1920x1080 (0xaf) 148.5MHz +HSync +VSync *current +preferred h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 67.5KHz v: height 1080 start 1084 end 1089 total 1125 clock 60.0Hz </snip> VGA-2 connected 1024x768+3200+312 (0x45) normal (normal left inverted right x axis y axis) 300mm x 230mm Identifier: 0x74 Timestamp: 326178 Subpixel: no subpixels Gamma: 1.0:1.0:1.0 Brightness: 1.0 Clones: DVI-1 CRTC: 2 CRTCs: 2 3 Transform: 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 filter: EDID: 00ffffffffffff00225402152d080000 100c0101081e1700e8d1eca05a4a9824 164d53bfee0031404540614001010101 010101010101000000fc004865726375 6c65730a20202020000000fd00374b1e 3d08000a202020202020000000fc0020 50726f70686574766965770a000000fc 00203732300a20202020202020200051 load detection: 1 (0x00000001) range: (0,1) 1024x768 (0x45) 78.8MHz +HSync +VSync *current h: width 1024 start 1040 end 1136 total 1312 skew 0 clock 60.1KHz v: height 768 start 769 end 772 total 800 clock 75.1Hz </snip> DVI-1 disconnected (normal left inverted right x axis y axis) Identifier: 0x75 Timestamp: 326178 Subpixel: horizontal rgb Clones: VGA-2 CRTCs: 2 3 Transform: 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 filter: load detection: 1 (0x00000001) range: (0,1) VGA-1 connected 1024x768+4224+312 (0x45) normal (normal left inverted right x axis y axis) 30mm x 22mm Identifier: 0x41 Timestamp: 326178 Subpixel: no subpixels Gamma: 1.0:1.0:1.0 Brightness: 1.0 Clones: CRTC: 4 CRTCs: 4 5 Transform: 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 filter: EDID: 00ffffffffffff0009ad370245e80100 210c0101081e1864e81726a061589a2e 275439adce0000000000000000000000 000000000000c31e0020410020301060 13001e1600000000000000fc00353637 00000031354c000a2000000000fd003c 4b1f3c0800001e1600000000000000fe 00465a574a32383031323439393700ac load detection: 1 (0x00000001) range: (0,1) 1024x768 (0x45) 78.8MHz +HSync +VSync *current h: width 1024 start 1040 end 1136 total 1312 skew 0 clock 60.1KHz v: height 768 start 769 end 772 total 800 clock 75.1Hz </snip> DIN disconnected (normal left inverted right x axis y axis) Identifier: 0x42 Timestamp: 326178 Subpixel: no subpixels Clones: CRTCs: 4 5 Transform: 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 filter: tv standard: ntsc supported: ntsc pal pal-m pal-60 ntsc-j scart-pal pal-cn secam load detection: 1 (0x00000001) range: (0,1) DVI-0 connected 1280x1024+5248+271 (0x51) normal (normal left inverted right x axis y axis) 338mm x 270mm Identifier: 0x43 Timestamp: 326178 Subpixel: horizontal rgb Gamma: 1.0:1.0:1.0 Brightness: 1.0 Clones: CRTC: 5 CRTCs: 4 5 Transform: 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 filter: EDID: 00ffffffffffff003aac010001000000 0610010308221b00ca0b329c5a4d8c26 204e57afcf0081800101010101010101 010101010101302a009851002a403070 1300520e1100001e000000fe000a2020 20202020202020202020000000fe000a 202020202020202020202020000000fc 000a20202020202020202020202000ec load detection: 1 (0x00000001) range: (0,1) underscan vborder: 0 (0x00000000) range: (0,128) underscan hborder: 0 (0x00000000) range: (0,128) underscan: off supported: off on auto coherent: 1 (0x00000001) range: (0,1) 1280x1024 (0x50) 108.0MHz +HSync +VSync +preferred h: width 1280 start 1328 end 1440 total 1688 skew 0 clock 64.0KHz v: height 1024 start 1025 end 1028 total 1066 clock 60.0Hz 1280x1024 (0x51) 135.0MHz +HSync +VSync *current h: width 1280 start 1296 end 1440 total 1688 skew 0 clock 80.0KHz v: height 1024 start 1025 end 1028 total 1066 clock 75.0Hz </snip> [/CODE] I have cut out the various supported modes, the full xrandr --verbose output is attached. As you see, VGA-2 and DVI-1 apparantly are clones, but in this case only VGA-2 is connected, I don't know if that is normal. I now have connected two monitors (both 15") to VGA-2 and DVI-1, and the xrandr output has not changed, it still shows VGA-2 and DVI-1 as cloned, but the two displays still twitch as in the video's... With kind regards, Robke Geenen ** Affects: xorg (Ubuntu) Importance: Undecided Status: New ** Attachment added: "Full xrandr --verbose output" https://bugs.launchpad.net/bugs/1199409/+attachment/3730673/+files/XrandrOutput.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1199409 Title: Xrandr twitches when using DVI-VGA adapter To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1199409/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
