apport information ** Tags added: apport-collected yakkety
** Description changed: Sometimes, when moving cursor from one monitor to the other, the external monitor turns black and gets back on again. The hardware is Dell Latitude E5470 with Docking Station and monitor connected via DisplayPort (checked both ports and happens on both of them). Everything worked correctly on Ubuntu 16.04, but it happens on Ubuntu 16.10. Kernel 4.8.0-25-generic. The bug isn't related to cursor only, if focus changes by alt+tab it sometimes happens as well. https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1553503 This is the same bug as this one, but closed. + --- + ApportVersion: 2.20.3-0ubuntu8 + Architecture: amd64 + AudioDevicesInUse: + USER PID ACCESS COMMAND + /dev/snd/pcmC0D0p: vessel 5602 F...m pulseaudio + /dev/snd/controlC0: vessel 5602 F.... pulseaudio + CurrentDesktop: Unity + DistroRelease: Ubuntu 16.10 + HibernationDevice: RESUME=UUID=56fab9c8-7226-47b9-91cb-a2c865f81bc0 + InstallationDate: Installed on 2016-08-31 (47 days ago) + InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719) + MachineType: Dell Inc. Latitude E5470 + Package: linux (not installed) + ProcFB: 0 inteldrmfb + ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.8.0-25-generic.efi.signed root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7 + ProcVersionSignature: Ubuntu 4.8.0-25.27-generic 4.8.1 + RelatedPackageVersions: + linux-restricted-modules-4.8.0-25-generic N/A + linux-backports-modules-4.8.0-25-generic N/A + linux-firmware 1.161 + Tags: yakkety + Uname: Linux 4.8.0-25-generic x86_64 + UpgradeStatus: Upgraded to yakkety on 2016-10-14 (3 days ago) + UserGroups: adm cdrom dip docker lpadmin plugdev sambashare sudo + _MarkForUpload: True + dmi.bios.date: 06/15/2016 + dmi.bios.vendor: Dell Inc. + dmi.bios.version: 1.7.3 + dmi.board.name: 0P88J9 + dmi.board.vendor: Dell Inc. + dmi.board.version: A00 + dmi.chassis.type: 9 + dmi.chassis.vendor: Dell Inc. + dmi.modalias: dmi:bvnDellInc.:bvr1.7.3:bd06/15/2016:svnDellInc.:pnLatitudeE5470:pvr:rvnDellInc.:rn0P88J9:rvrA00:cvnDellInc.:ct9:cvr: + dmi.product.name: Latitude E5470 + dmi.sys.vendor: Dell Inc. ** Attachment added: "AlsaInfo.txt" https://bugs.launchpad.net/bugs/1634449/+attachment/4763151/+files/AlsaInfo.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1634449 Title: Black flicker when leaving monitor To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1634449/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs