This is probably the same bug as the one I submitted against mutter: https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/1810126
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to firefox in Ubuntu. https://bugs.launchpad.net/bugs/1775637 Title: Screen tearing both in scrolling and videos Status in firefox package in Ubuntu: Confirmed Bug description: Using firefox on the 18.04 default session (gnome-shell on Xorg) I get screen tearing when scrolling and also in videos. It's evident in this video for example: https://www.youtube.com/watch?v=9hIRq5HTh5s Where the lines between white and black areas seem to jump around and that's not visible in a screenshot. When scrolling it's common to see horizontal discontinuities in the text. Here's the details of my graphics card: 00:02.0 VGA compatible controller: Intel Corporation HD Graphics 520 (rev 07) (prog-if 00 [VGA controller]) Subsystem: Lenovo Skylake GT2 [HD Graphics 520] Flags: bus master, fast devsel, latency 0, IRQ 126 Memory at f0000000 (64-bit, non-prefetchable) [size=16M] Memory at e0000000 (64-bit, prefetchable) [size=256M] I/O ports at e000 [size=64] [virtual] Expansion ROM at 000c0000 [disabled] [size=128K] Capabilities: <access denied> Kernel driver in use: i915 Kernel modules: i915 I'm using a Lenovo T460s ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: firefox 60.0.1+build2-0ubuntu0.18.04.1 ProcVersionSignature: Ubuntu 4.15.0-22.24-generic 4.15.17 Uname: Linux 4.15.0-22-generic x86_64 AddonCompatCheckDisabled: False ApportVersion: 2.20.9-0ubuntu7.1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/pcmC0D0p: pedrocr 1619 F...m pulseaudio /dev/snd/controlC0: pedrocr 1619 F.... pulseaudio BuildID: 20180517114003 Channel: Unavailable CurrentDesktop: ubuntu:GNOME Date: Thu Jun 7 15:35:20 2018 Extensions: extensions.sqlite corrupt or missing ForcedLayersAccel: False IfupdownConfig: # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback IncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite) InstallationDate: Installed on 2018-05-31 (7 days ago) InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426) IpRoute: default via 10.120.200.1 dev wlp4s0 proto dhcp metric 600 10.23.69.0/24 dev tun0 proto kernel scope link src 10.23.69.103 10.120.200.0/22 dev wlp4s0 proto kernel scope link src 10.120.202.17 metric 600 169.254.0.0/16 dev wlp4s0 scope link metric 1000 Locales: extensions.sqlite corrupt or missing MostRecentCrashID: bp-eee55497-e2e4-4c82-a862-236a81180223 PrefSources: prefs.js Profiles: Profile0 (Default) - LastVersion=60.0.1/20180517114003 (In use) RunningIncompatibleAddons: False SourcePackage: firefox SubmittedCrashIDs: bp-eee55497-e2e4-4c82-a862-236a81180223 bp-db2b7d55-dbe6-47a3-b50d-e9b691171230 bp-280d460e-d837-442d-8543-17f3c1171202 Themes: extensions.sqlite corrupt or missing UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 03/22/2018 dmi.bios.vendor: LENOVO dmi.bios.version: N1CET66W (1.34 ) dmi.board.asset.tag: Not Available dmi.board.name: 20FAS5TS00 dmi.board.vendor: LENOVO dmi.board.version: SDK0J40697 WIN dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: None dmi.modalias: dmi:bvnLENOVO:bvrN1CET66W(1.34):bd03/22/2018:svnLENOVO:pn20FAS5TS00:pvrThinkPadT460s:rvnLENOVO:rn20FAS5TS00:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone: dmi.product.family: ThinkPad T460s dmi.product.name: 20FAS5TS00 dmi.product.version: ThinkPad T460s dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1775637/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp