Possibly also related - Xrandr.txt strangely doesn't list any viewport
dimensions for the laptop display eDP-1.
** Also affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Package changed: xorg (Ubuntu) => xorg-server (Ubuntu)
** Changed in: xorg-server (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1846201
Title:
Rendering is delayed on laptop display (works in external display)
Status in mesa package in Ubuntu:
Incomplete
Status in mutter package in Ubuntu:
Incomplete
Status in xorg-server package in Ubuntu:
Incomplete
Bug description:
This is a very wierd behavior I get on the Lenovo Yoga S940 after upgrading
to 19.10.
This makes the laptop almost unusable with its own display.
This happens only on the laptop display, not on the external display.
The render of portions of the screen does not happen after some events
(listed below) resulting in all or part of the screen not being re-rendered.
The UX is that nothing happened, but it has.
This happens after:
* key-stroke while typing sometimes
* alt-tab
* shift-right to align window to the right
* ctrl-pgup/down to switch tab in multi tabs apps.
Please note that:
* screenshots can't see the problem
* also screenrecorder always seem ok, despite rendering being broken.
ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: xorg 1:7.7+19ubuntu12
ProcVersionSignature: Ubuntu 5.3.0-13.14-generic 5.3.0
Uname: Linux 5.3.0-13-generic x86_64
ApportVersion: 2.20.11-0ubuntu7
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Tue Oct 1 13:13:40 2019
DistUpgraded: 2019-09-21 10:16:26,647 DEBUG Running PostInstallScript:
'./xorg_fix_proprietary.py'
DistroCodename: eoan
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, including running git bisection searches
GraphicsCard:
Intel Corporation UHD Graphics 620 (Whiskey Lake) [8086:3ea0] (rev 02)
(prog-if 00 [VGA controller])
Subsystem: Lenovo UHD Graphics 620 (Whiskey Lake) [17aa:3801]
InstallationDate: Installed on 2019-09-12 (18 days ago)
InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
MachineType: LENOVO 81Q7
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.3.0-13-generic
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: Upgraded to eoan on 2019-09-21 (10 days ago)
dmi.bios.date: 06/12/2019
dmi.bios.vendor: LENOVO
dmi.bios.version: AKCN34WW
dmi.board.asset.tag: No Asset Tag
dmi.board.name: LNVNB161216
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40709 WIN
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Lenovo Yoga S940-14IWL
dmi.modalias:
dmi:bvnLENOVO:bvrAKCN34WW:bd06/12/2019:svnLENOVO:pn81Q7:pvrLenovoYogaS940-14IWL:rvnLENOVO:rnLNVNB161216:rvrSDK0J40709WIN:cvnLENOVO:ct10:cvrLenovoYogaS940-14IWL:
dmi.product.family: Yoga S940-14IWL
dmi.product.name: 81Q7
dmi.product.sku: LENOVO_MT_81Q7_BU_idea_FM_Yoga S940-14IWL
dmi.product.version: Lenovo Yoga S940-14IWL
dmi.sys.vendor: LENOVO
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.99-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 19.1.6-1ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.20.5+git20190820-0ubuntu3
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.0.1-1
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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