The issue exists both on gnome3, as well as gnome-flashback.
$ sudo lshw -C video
*-display
description: Display controller
product: Polaris 22 [Radeon RX Vega M GL]
vendor: Advanced Micro Devices, Inc. [AMD/ATI]
physical id: 0
bus info: pci@0000:01:00.0
logical name: /dev/fb0
version: c0
width: 64 bits
clock: 33MHz
capabilities: pm pciexpress msi bus_master cap_list rom fb
configuration: depth=32 driver=amdgpu latency=0 mode=2560x1440
visual=truecolor xres=2560 yres=1440
resources: iomemory:2f0-2ef iomemory:2f0-2ef irq:128
memory:2fe0000000-2fefffffff memory:2ff0000000-2ff01fffff ioport:e000(size=256)
memory:de400000-de43ffff memory:de440000-de45ffff
*-display
description: VGA compatible controller
product: Intel Corporation
vendor: Intel Corporation
physical id: 2
bus info: pci@0000:00:02.0
version: 04
width: 64 bits
clock: 33MHz
capabilities: pciexpress msi pm vga_controller bus_master cap_list rom
configuration: driver=i915 latency=0
resources: iomemory:2f0-2ef irq:127 memory:2ffe000000-2ffeffffff
memory:a0000000-afffffff ioport:f000(size=64) memory:c0000-dffff
** Attachment added: "dmsg.log"
https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1841372/+attachment/5284717/+files/dmsg.log
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https://bugs.launchpad.net/bugs/1841372
Title:
Widget Layout Jumping when printing
Status in gnome-control-center package in Ubuntu:
New
Bug description:
While a print job is active, the layout in the printers panel becomes
unusable. The dropdown for the gears icon is removed almost
immediately after the click that opened it.
ProblemType: Bug
DistroRelease: Ubuntu 19.04
Package: gnome-control-center 1:3.32.2-0ubuntu1.1
ProcVersionSignature: Ubuntu 5.0.0-23.24-generic 5.0.15
Uname: Linux 5.0.0-23-generic x86_64
ApportVersion: 2.20.10-0ubuntu27.1
Architecture: amd64
CurrentDesktop: GNOME-Flashback:GNOME
Date: Sun Aug 25 12:11:11 2019
InstallationDate: Installed on 2019-01-12 (224 days ago)
InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Release amd64
(20181017.3)
SourcePackage: gnome-control-center
UpgradeStatus: Upgraded to disco on 2019-04-27 (119 days ago)
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