fixed in last beta update iteration (Apr/12).
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https://bugs.launchpad.net/bugs/1870823
Title:
temporary mouse freeze on sticky edge between displays
Status in mutter package in Ubuntu:
New
Bug description:
i'm running ubuntu 20.04 focal fossa, development branch, on a lenovo
T460s (internal display 2560x1440, 200% scaling) with a dell external
display (1920x1200, 100% scaling) set to "join displays". fractional
scaling is enabled.
on wayland, since upgrading from ubuntu 19.10, the mouse pointer
freezes for about 10-20 seconds when slowly moved between displays
("sticky edge"). the freeze behavior depends on the exact position
between displays. the machine is unresponsive during these freezes.
if the mouse is moved quickly, the freeze does not occur. the freeze
only happens on wayland -- the problem does not occur on Xorg.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: xwayland 2:1.20.7-2ubuntu2
ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
Uname: Linux 5.4.0-21-generic x86_64
ApportVersion: 2.20.11-0ubuntu22
Architecture: amd64
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Sat Apr 4 12:50:21 2020
DistUpgraded: Fresh install
DistroCodename: focal
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
Intel Corporation Skylake GT2 [HD Graphics 520] [8086:1916] (rev 07)
(prog-if 00 [VGA controller])
Subsystem: Lenovo Skylake GT2 [HD Graphics 520] [17aa:2233]
InstallationDate: Installed on 2018-01-24 (800 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20180105.1)
MachineType: LENOVO 20FAS05P00
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-21-generic
root=UUID=be1e4f31-e9c9-41ac-9f95-cdbd8d5fc22a ro quiet splash vt.handoff=7
SourcePackage: xorg-server
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/25/2019
dmi.bios.vendor: LENOVO
dmi.bios.version: N1CET79W (1.47 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20FAS05P00
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrN1CET79W(1.47):bd11/25/2019:svnLENOVO:pn20FAS05P00:pvrThinkPadT460s:rvnLENOVO:rn20FAS05P00:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
dmi.product.family: ThinkPad T460s
dmi.product.name: 20FAS05P00
dmi.product.sku: LENOVO_MT_20FA_BU_Think_FM_ThinkPad T460s
dmi.product.version: ThinkPad T460s
dmi.sys.vendor: LENOVO
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.100-4
version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.2-1ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx 20.0.2-1ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.20.7-2ubuntu2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20190815-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1
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