I have the same issue. My configuration: - Ubuntu 14.04, with all updates - EliteBook 840 G1 connected to a HP ultraslim docking station 2013. - 1 HP z27i connected to the DP of the docking - xserver-xorg-video-ati
When connecting the monitor to the DP of the Laptop everything works fine. When connecting the monitor to the DP of the Docking Station, it is very ugly: tearing, artifacts, etc. please help -- 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/1376581 Title: DisplayPort monitor not properly detected via HP ultraslim docking station 2013 Status in “linux” package in Ubuntu: Confirmed Bug description: DisplayPort monitor not properly detected via HP ultraslim docking station 2013 My configuration: - Ubuntu 14.04, with all updates (3.13.0-36.63-generic 3.13.11.6) - EliteBook 850 G1 connected to a HP ultraslim docking station 2013. - 1 Dell 2209WA connected to the VGA port of the docking - 1 Dell P2414H connected to the DP of the docking Currently I have the lateste fglrx (14.301.1001), but if was the same with the version from Ubuntu repo. This is the output from xrandr: Screen 0: minimum 320 x 200, current 1680 x 1050, maximum 8192 x 8192 eDP1 connected (normal left inverted right x axis y axis) 1920x1080 60.4 + 59.9 40.3 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 DP1 disconnected (normal left inverted right x axis y axis) HDMI1 disconnected (normal left inverted right x axis y axis) DP2 connected primary 1680x1050+0+0 (normal left inverted right x axis y axis) 474mm x 296mm 1680x1050 60.0*+ 1280x1024 75.0 60.0 1152x864 75.0 1024x768 75.1 60.0 800x600 75.0 60.3 640x480 75.0 60.0 720x400 70.1 HDMI2 disconnected (normal left inverted right x axis y axis) There is some scrambled image displayed on the DP monitor like in the attached image. --- ApportVersion: 2.14.1-0ubuntu3.5 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC3: amaguran 2383 F.... pulseaudio /dev/snd/controlC2: amaguran 2383 F.... pulseaudio /dev/snd/controlC0: amaguran 2383 F.... pulseaudio /dev/snd/controlC1: amaguran 2383 F.... pulseaudio CurrentDesktop: Unity DistroRelease: Ubuntu 14.04 InstallationDate: Installed on 2014-06-08 (135 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417) MachineType: Hewlett-Packard HP EliteBook 850 G1 Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-37-generic root=UUID=26de6228-15cb-4089-8788-f4a0fd918347 ro splash vt.handoff=7 ProcVersionSignature: Ubuntu 3.13.0-37.64-generic 3.13.11.7 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 Tags: trusty Uname: Linux 3.13.0-37-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo WifiSyslog: Oct 22 09:44:23 amaguran-laptop kernel: [ 1602.950963] [UFW BLOCK] IN=eth0 OUT= MAC=28:80:23:04:15:1e:f0:1f:af:66:73:e1:08:00 SRC=10.240.11.1 DST=10.240.11.52 LEN=139 TOS=0x00 PREC=0x00 TTL=128 ID=32371 PROTO=UDP SPT=34761 DPT=29889 LEN=119 Oct 22 09:44:29 amaguran-laptop kernel: [ 1608.999016] [UFW BLOCK] IN=eth0 OUT= MAC=28:80:23:04:15:1e:f0:1f:af:66:73:e1:08:00 SRC=10.240.11.1 DST=10.240.11.52 LEN=139 TOS=0x00 PREC=0x00 TTL=128 ID=32385 PROTO=UDP SPT=34761 DPT=29889 LEN=119 _MarkForUpload: True dmi.bios.date: 07/28/2014 dmi.bios.vendor: Hewlett-Packard dmi.bios.version: L71 Ver. 01.20 dmi.board.name: 198F dmi.board.vendor: Hewlett-Packard dmi.board.version: KBC Version 15.55 dmi.chassis.asset.tag: CNU4199369 dmi.chassis.type: 10 dmi.chassis.vendor: Hewlett-Packard dmi.modalias: dmi:bvnHewlett-Packard:bvrL71Ver.01.20:bd07/28/2014:svnHewlett-Packard:pnHPEliteBook850G1:pvrA3009DD10303:rvnHewlett-Packard:rn198F:rvrKBCVersion15.55:cvnHewlett-Packard:ct10:cvr: dmi.product.name: HP EliteBook 850 G1 dmi.product.version: A3009DD10303 dmi.sys.vendor: Hewlett-Packard --- ApportVersion: 2.14.1-0ubuntu3.5 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC3: amaguran 2383 F.... pulseaudio /dev/snd/controlC2: amaguran 2383 F.... pulseaudio /dev/snd/controlC0: amaguran 2383 F.... pulseaudio /dev/snd/controlC1: amaguran 2383 F.... pulseaudio CurrentDesktop: Unity DistroRelease: Ubuntu 14.04 InstallationDate: Installed on 2014-06-08 (135 days ago) InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417) MachineType: Hewlett-Packard HP EliteBook 850 G1 Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-37-generic root=UUID=26de6228-15cb-4089-8788-f4a0fd918347 ro splash vt.handoff=7 ProcVersionSignature: Ubuntu 3.13.0-37.64-generic 3.13.11.7 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 Tags: trusty Uname: Linux 3.13.0-37-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 07/28/2014 dmi.bios.vendor: Hewlett-Packard dmi.bios.version: L71 Ver. 01.20 dmi.board.name: 198F dmi.board.vendor: Hewlett-Packard dmi.board.version: KBC Version 15.55 dmi.chassis.asset.tag: CNU4199369 dmi.chassis.type: 10 dmi.chassis.vendor: Hewlett-Packard dmi.modalias: dmi:bvnHewlett-Packard:bvrL71Ver.01.20:bd07/28/2014:svnHewlett-Packard:pnHPEliteBook850G1:pvrA3009DD10303:rvnHewlett-Packard:rn198F:rvrKBCVersion15.55:cvnHewlett-Packard:ct10:cvr: dmi.product.name: HP EliteBook 850 G1 dmi.product.version: A3009DD10303 dmi.sys.vendor: Hewlett-Packard To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1376581/+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
