Bill Samoladas, this bug was reported a while ago and there hasn't been any activity in it recently. We were wondering if this is still an issue? If so, could you please test for this with the latest development release of Ubuntu? ISO images are available from http://cdimage.ubuntu.com/daily-live/current/ .
If it remains an issue, could you please run the following command in the development release from a Terminal (Applications->Accessories->Terminal), as it will automatically gather and attach updated debug information to this report: apport-collect -p xserver-xorg-video-ati REPLACE-WITH-BUG-NUMBER Please note, given that the information from the prior release is already available, doing this on a release prior to the development one would not be helpful. Thank you for your understanding. Helpful bug reporting tips: https://wiki.ubuntu.com/ReportingBugs ** Changed in: xserver-xorg-video-ati (Ubuntu) Importance: Undecided => Low ** Changed in: xserver-xorg-video-ati (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xserver-xorg-video-ati in Ubuntu. https://bugs.launchpad.net/bugs/1000856 Title: graphics corruption when unmirroring dual monitors Status in “xserver-xorg-video-ati” package in Ubuntu: Incomplete Bug description: Upgrading to 12.04 from 11.10, the dual monitor setup is not working any more. The two monitors work fine when mirrored. If unmirrored, the screens become corrupt. When the previous configuration is restored after a few seconds, the screens change but are again corrupted. Switching to text mode works though. Here is my graphics card: ---------------- from lspci -v 01:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI R520GL [FireGL V7200] (Primary) (prog-if 00 [VGA controller]) Subsystem: Advanced Micro Devices [AMD] nee ATI Device 0b32 Flags: bus master, fast devsel, latency 0, IRQ 16 Memory at e0000000 (64-bit, prefetchable) [size=256M] Memory at f5000000 (64-bit, non-prefetchable) [size=64K] I/O ports at b000 [size=256] [virtual] Expansion ROM at f4000000 [disabled] [size=128K] Capabilities: [50] Power Management version 2 Capabilities: [58] Express Endpoint, MSI 00 Capabilities: [80] MSI: Enable- Count=1/1 Maskable- 64bit+ Kernel modules: radeon 01:00.1 Display controller: Advanced Micro Devices [AMD] nee ATI R520GL [FireGL V7200] (Secondary) Subsystem: Advanced Micro Devices [AMD] nee ATI Device 0b33 Flags: bus master, fast devsel, latency 0 Memory at f5010000 (64-bit, non-prefetchable) [size=64K] Capabilities: [50] Power Management version 2 Capabilities: [58] Express Endpoint, MSI 00 --------------- xrandr --verbose Screen 0: minimum 320 x 200, current 1280 x 1024, maximum 1280 x 1280 DVI-1 connected 1280x1024+0+0 (0x53) normal (normal left inverted right x axis y axis) 376mm x 301mm Identifier: 0x51 Timestamp: 95733 Subpixel: no subpixels Gamma: 1.0:1.0:1.0 Brightness: 1.0 Clones: DVI-0 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: 00ffffffffffff0010ac4ba0484e5732 1f1401030e261e78eeee95a3544c9926 0f5054a54b008180714f010101010101 010101010101302a009851002a403070 1300782d1100001e000000ff00473434 384e30375232574e480a000000fc0044 454c4c2045313930530a2020000000fd 00384c1e510e000a2020202020200091 dvi_monitor_type: auto scaler: off coherent_mode: 1 (0x00000001) range: (0,1) load_detection: 1 (0x00000001) range: (0,1) 1280x1024 (0x53) 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 1280x1024 (0x54) 135.0MHz +HSync +VSync 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 1152x864 (0x55) 108.0MHz +HSync +VSync h: width 1152 start 1216 end 1344 total 1600 skew 0 clock 67.5KHz v: height 864 start 865 end 868 total 900 clock 75.0Hz 1024x768 (0x56) 78.8MHz +HSync +VSync h: width 1024 start 1040 end 1136 total 1312 skew 0 clock 60.0KHz v: height 768 start 769 end 772 total 800 clock 75.0Hz 1024x768 (0x57) 65.0MHz -HSync -VSync h: width 1024 start 1048 end 1184 total 1344 skew 0 clock 48.4KHz v: height 768 start 771 end 777 total 806 clock 60.0Hz 800x600 (0x58) 49.5MHz +HSync +VSync h: width 800 start 816 end 896 total 1056 skew 0 clock 46.9KHz v: height 600 start 601 end 604 total 625 clock 75.0Hz 800x600 (0x59) 40.0MHz +HSync +VSync h: width 800 start 840 end 968 total 1056 skew 0 clock 37.9KHz v: height 600 start 601 end 605 total 628 clock 60.3Hz 640x480 (0x5a) 31.5MHz -HSync -VSync h: width 640 start 656 end 720 total 840 skew 0 clock 37.5KHz v: height 480 start 481 end 484 total 500 clock 75.0Hz 640x480 (0x5b) 25.2MHz -HSync -VSync h: width 640 start 656 end 752 total 800 skew 0 clock 31.5KHz v: height 480 start 490 end 492 total 525 clock 59.9Hz 720x400 (0x5c) 28.3MHz -HSync +VSync h: width 720 start 738 end 846 total 900 skew 0 clock 31.5KHz v: height 400 start 412 end 414 total 449 clock 70.1Hz DVI-0 connected 1280x1024+0+0 (0x53) normal (normal left inverted right x axis y axis) 376mm x 301mm Identifier: 0x52 Timestamp: 95733 Subpixel: horizontal rgb Gamma: 1.0:1.0:1.0 Brightness: 1.0 Clones: DVI-1 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: 00ffffffffffff001e6d0b4b33650100 08110103ee261e78ea0a64a5584a9a26 115054a56a80314f454f614f81800101 010101010101302a009851002a403070 1300782d1100001e000000fd00384b1e 470b000a202020202020000000fc004c 31393832550a202020202020000000fc 000a20202020202020202020202000a6 dvi_monitor_type: auto scaler: off coherent_mode: 1 (0x00000001) range: (0,1) load_detection: 1 (0x00000001) range: (0,1) 1280x1024 (0x53) 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 1152x864 (0x55) 108.0MHz +HSync +VSync h: width 1152 start 1216 end 1344 total 1600 skew 0 clock 67.5KHz v: height 864 start 865 end 868 total 900 clock 75.0Hz 1024x768 (0x56) 78.8MHz +HSync +VSync h: width 1024 start 1040 end 1136 total 1312 skew 0 clock 60.0KHz v: height 768 start 769 end 772 total 800 clock 75.0Hz 1024x768 (0x57) 65.0MHz -HSync -VSync h: width 1024 start 1048 end 1184 total 1344 skew 0 clock 48.4KHz v: height 768 start 771 end 777 total 806 clock 60.0Hz 832x624 (0x5d) 57.3MHz -HSync -VSync h: width 832 start 864 end 928 total 1152 skew 0 clock 49.7KHz v: height 624 start 625 end 628 total 667 clock 74.6Hz 800x600 (0x58) 49.5MHz +HSync +VSync h: width 800 start 816 end 896 total 1056 skew 0 clock 46.9KHz v: height 600 start 601 end 604 total 625 clock 75.0Hz 800x600 (0x59) 40.0MHz +HSync +VSync h: width 800 start 840 end 968 total 1056 skew 0 clock 37.9KHz v: height 600 start 601 end 605 total 628 clock 60.3Hz 640x480 (0x5a) 31.5MHz -HSync -VSync h: width 640 start 656 end 720 total 840 skew 0 clock 37.5KHz v: height 480 start 481 end 484 total 500 clock 75.0Hz 640x480 (0x5b) 25.2MHz -HSync -VSync h: width 640 start 656 end 752 total 800 skew 0 clock 31.5KHz v: height 480 start 490 end 492 total 525 clock 59.9Hz 720x400 (0x5c) 28.3MHz -HSync +VSync h: width 720 start 738 end 846 total 900 skew 0 clock 31.5KHz v: height 400 start 412 end 414 total 449 clock 70.1Hz To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/1000856/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email 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