apport information ** Tags added: apport-collected
** Description changed: I am on an Dell xps 9530 laptop and I had recently cleaned installed 17.10. A few days back I decided to updated to 18.04 to check it out and report some bugs. The most annoying bug so far is the insane amount of input latency this update has brought with it to a degree that it makes it impossible to be productive. The issue is observable when using either the mouse or the keyboard. The mouse does not move immediately but it needs a second or two to register and start moving and even then at some point it freezes for half a second at some random point and then moves again. Also if I have two applications side by side and I try an move focus from one to the next at around the edges of each window the mouse freezes for a second and then moves. The keyboard freezes if it hasn't been used for a while and on the first keystroke will take a second to register and for a bonus you get the first keystorke repeated for around 15-30 times. So if you are trying to write "and" will become "aaaaaaaaaaaaaaand" or pressing "ctrl + T" in the browser will open not one but 20 tabs! I am reporting it here cause I am not sure what is causing all this latency (it could be libinput or something else entirely) but please try and fix this as soon as possible!! ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: gnome-shell 3.28.0-0ubuntu1 ProcVersionSignature: Ubuntu 4.15.0-13.14-generic 4.15.10 Uname: Linux 4.15.0-13-generic x86_64 ApportVersion: 2.20.8-0ubuntu10 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Mon Mar 19 13:04:05 2018 DisplayManager: gdm3 InstallationDate: Installed on 2018-02-14 (32 days ago) InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20180105.1) SourcePackage: gnome-shell UpgradeStatus: Upgraded to bionic on 2018-03-15 (3 days ago) + --- + ApportVersion: 2.20.9-0ubuntu2 + Architecture: amd64 + AudioDevicesInUse: + USER PID ACCESS COMMAND + /dev/snd/controlC0: giannissc 2031 F.... pulseaudio + /dev/snd/pcmC1D0p: giannissc 2031 F...m pulseaudio + /dev/snd/controlC1: giannissc 2031 F.... pulseaudio + CurrentDesktop: ubuntu:GNOME + DistroRelease: Ubuntu 18.04 + HibernationDevice: RESUME=UUID=999e9885-dbd2-4a45-a45f-998e322f32dc + InstallationDate: Installed on 2018-03-26 (2 days ago) + InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180325) + MachineType: Dell Inc. XPS 15 9530 + Package: linux (not installed) + ProcFB: 0 inteldrmfb + ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-13-generic.efi.signed root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=1 + ProcVersionSignature: Ubuntu 4.15.0-13.14-generic 4.15.10 + RelatedPackageVersions: + linux-restricted-modules-4.15.0-13-generic N/A + linux-backports-modules-4.15.0-13-generic N/A + linux-firmware 1.173 + Tags: wayland-session bionic + Uname: Linux 4.15.0-13-generic x86_64 + UpgradeStatus: No upgrade log present (probably fresh install) + UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo + _MarkForUpload: True + dmi.bios.date: 01/08/2015 + dmi.bios.vendor: Dell Inc. + dmi.bios.version: A08 + dmi.board.name: XPS 15 9530 + dmi.board.vendor: Dell Inc. + dmi.board.version: A08 + dmi.chassis.type: 8 + dmi.chassis.vendor: Dell Inc. + dmi.chassis.version: Not Specified + dmi.modalias: dmi:bvnDellInc.:bvrA08:bd01/08/2015:svnDellInc.:pnXPS159530:pvrA08:rvnDellInc.:rnXPS159530:rvrA08:cvnDellInc.:ct8:cvrNotSpecified: + dmi.product.name: XPS 15 9530 + dmi.product.version: A08 + dmi.sys.vendor: Dell Inc. ** Attachment added: "AlsaInfo.txt" https://bugs.launchpad.net/bugs/1756877/+attachment/5095308/+files/AlsaInfo.txt -- 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/1756877 Title: High visual latency in 18.04 when using nouveau Status in linux package in Ubuntu: Confirmed Bug description: I am on an Dell xps 9530 laptop and I had recently cleaned installed 17.10. A few days back I decided to updated to 18.04 to check it out and report some bugs. The most annoying bug so far is the insane amount of input latency this update has brought with it to a degree that it makes it impossible to be productive. The issue is observable when using either the mouse or the keyboard. The mouse does not move immediately but it needs a second or two to register and start moving and even then at some point it freezes for half a second at some random point and then moves again. Also if I have two applications side by side and I try an move focus from one to the next at around the edges of each window the mouse freezes for a second and then moves. The keyboard freezes if it hasn't been used for a while and on the first keystroke will take a second to register and for a bonus you get the first keystorke repeated for around 15-30 times. So if you are trying to write "and" will become "aaaaaaaaaaaaaaand" or pressing "ctrl + T" in the browser will open not one but 20 tabs! I am reporting it here cause I am not sure what is causing all this latency (it could be libinput or something else entirely) but please try and fix this as soon as possible!! ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: gnome-shell 3.28.0-0ubuntu1 ProcVersionSignature: Ubuntu 4.15.0-13.14-generic 4.15.10 Uname: Linux 4.15.0-13-generic x86_64 ApportVersion: 2.20.8-0ubuntu10 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Mon Mar 19 13:04:05 2018 DisplayManager: gdm3 InstallationDate: Installed on 2018-02-14 (32 days ago) InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20180105.1) SourcePackage: gnome-shell UpgradeStatus: Upgraded to bionic on 2018-03-15 (3 days ago) --- ApportVersion: 2.20.9-0ubuntu2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: giannissc 2031 F.... pulseaudio /dev/snd/pcmC1D0p: giannissc 2031 F...m pulseaudio /dev/snd/controlC1: giannissc 2031 F.... pulseaudio CurrentDesktop: ubuntu:GNOME DistroRelease: Ubuntu 18.04 HibernationDevice: RESUME=UUID=999e9885-dbd2-4a45-a45f-998e322f32dc InstallationDate: Installed on 2018-03-26 (2 days ago) InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180325) MachineType: Dell Inc. XPS 15 9530 Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-13-generic.efi.signed root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=1 ProcVersionSignature: Ubuntu 4.15.0-13.14-generic 4.15.10 RelatedPackageVersions: linux-restricted-modules-4.15.0-13-generic N/A linux-backports-modules-4.15.0-13-generic N/A linux-firmware 1.173 Tags: wayland-session bionic Uname: Linux 4.15.0-13-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 01/08/2015 dmi.bios.vendor: Dell Inc. dmi.bios.version: A08 dmi.board.name: XPS 15 9530 dmi.board.vendor: Dell Inc. dmi.board.version: A08 dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.chassis.version: Not Specified dmi.modalias: dmi:bvnDellInc.:bvrA08:bd01/08/2015:svnDellInc.:pnXPS159530:pvrA08:rvnDellInc.:rnXPS159530:rvrA08:cvnDellInc.:ct8:cvrNotSpecified: dmi.product.name: XPS 15 9530 dmi.product.version: A08 dmi.sys.vendor: Dell Inc. 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