** Attachment added: "dmesg.log" https://bugs.launchpad.net/hwe-next/+bug/1379237/+attachment/4229456/+files/dmesg.log
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1379237 Title: AMD Mars XTX [Radeon HD 8790M] [1002:6606] Black screen on external display (extended mode) with fglrx Status in HWE Next Project: New Status in “fglrx-installer-updates” package in Ubuntu: New Bug description: CID: 201404-14986 Dell Precision M2800 There is no desktop on the external monitor in extened mode through HDMI / D-Sub port. But you can see your cursor there. External monitor works nomally with Mirror / External Only mode. Steps: 1. Install 14.04.1 + update (3.13.0-37) + fglrx-updates (2:13.350.1-0ubuntu2) 2. Connect a HDMI / VGA cable to an external monitor Expected result: * Display should work with the external monitor in extended mode. Actual result: * Black screen on the external screen, the only thing you can see is the cursor. ubuntu@201404-14986:~$ xrandr -q Screen 0: minimum 320 x 200, current 3840 x 1080, maximum 8192 x 8192 eDP1 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 344mm x 193mm 1920x1080 60.1*+ 40.0 59.9 1680x1050 60.0 59.9 1600x1024 60.2 1400x1050 60.0 1280x1024 60.0 1440x900 59.9 1280x960 60.0 1360x768 59.8 60.0 1152x864 60.0 1024x768 60.0 800x600 60.3 56.2 640x480 59.9 VGA1 disconnected (normal left inverted right x axis y axis) HDMI1 connected 1920x1080+1920+0 (normal left inverted right x axis y axis) 531mm x 299mm 1920x1080 60.0*+ 50.0 59.9 1920x1080i 60.1 50.0 60.0 1680x1050 59.9 1440x900 59.9 1280x960 60.0 1280x800 59.9 1152x864 75.0 1280x720 60.0 50.0 59.9 1440x576i 50.1 1024x768 70.1 60.0 1440x480i 60.1 60.1 800x600 60.3 56.2 720x576 50.0 720x480 60.0 59.9 640x480 66.7 60.0 59.9 720x400 70.1 DP1 disconnected (normal left inverted right x axis y axis) HDMI2 disconnected (normal left inverted right x axis y axis) DP2 disconnected (normal left inverted right x axis y axis) HDMI3 disconnected (normal left inverted right x axis y axis) ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.13.0-37-generic 3.13.0-37.64 ProcVersionSignature: Ubuntu 3.13.0-37.64-generic 3.13.11.7 Uname: Linux 3.13.0-37-generic x86_64 NonfreeKernelModules: fglrx ApportVersion: 2.14.1-0ubuntu3.5 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: ubuntu 1776 F.... pulseaudio ubuntu 3242 F.... pulseaudio /dev/snd/controlC0: ubuntu 1776 F.... pulseaudio ubuntu 3242 F.... pulseaudio CRDA: country TW: (2402 - 2472 @ 40), (3, 27) (5270 - 5330 @ 40), (3, 17), DFS (5735 - 5815 @ 40), (3, 30) CurrentDesktop: Unity Date: Thu Oct 9 04:56:04 2014 HibernationDevice: RESUME=UUID=404890af-28cf-4569-a49d-10fc2fcf1cf9 InstallationDate: Installed on 2014-10-09 (0 days ago) InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2) MachineType: Dell Inc. Precision M2800 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-37-generic.efi.signed root=UUID=c670a1f7-2c9c-4fd2-9d34-a750d36d46b9 ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.13.0-37-generic N/A linux-backports-modules-3.13.0-37-generic N/A linux-firmware 1.127.7 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 04/28/2014 dmi.bios.vendor: Dell Inc. dmi.bios.version: A01 dmi.board.name: 0CYT5F dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA01:bd04/28/2014:svnDellInc.:pnPrecisionM2800:pvr01:rvnDellInc.:rn0CYT5F:rvrA00:cvnDellInc.:ct9:cvr: dmi.product.name: Precision M2800 dmi.product.version: 01 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1379237/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
