Thanks but I'm not sure that section of log is relevant here. And even
if it is, there's not enough information so...
Thank you for taking the time to report this bug and helping to make
Ubuntu better. It sounds like some part of the system has crashed. To
help us find the cause of the crash please follow these steps:
1. Look in /var/crash for crash files and if found run:
ubuntu-bug YOURFILE.crash
Then tell us the ID of the newly-created bug.
2. If step 1 failed then look at https://errors.ubuntu.com/user/ID where
ID is the content of file /var/lib/whoopsie/whoopsie-id on the machine.
Do you find any links to recent problems on that page? If so then please
send the links to us.
3. If step 2 also failed then apply the workaround from bug 994921,
reboot, reproduce the crash, and retry step 1.
Please take care to avoid attaching .crash files to bugs as we are
unable to process them as file attachments. It would also be a security
risk for yourself.
** Changed in: gnome-shell-extension-ubuntu-dock (Ubuntu)
Status: New => Incomplete
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to gnome-shell-extension-ubuntu-dock in
Ubuntu.
https://bugs.launchpad.net/bugs/1930304
Title:
Horizontal scroll over dock causes it to crash and disappear, and a
temporary GUI freeze
Status in gnome-shell-extension-ubuntu-dock package in Ubuntu:
Incomplete
Bug description:
# Steps to reproduce
0. have a mouse with horizontal scrolling functionality (mine is a Microsoft
Comfort Mouse 4500 with a tilting action for horizontal scroll)
1. move mouse pointer over the dock
2. use the mouse scroller to scroll horizontally
# What I expect to happen
Nothing
# What happens
Mouse pointer and everything on screen freezes. After a few seconds it
unfreezes, but all the icons from the dock are missing. I have to log out and
back in to restore the dock.
# Other info
Slightly similar to LP #1875106, but I'm not using imwheel.
I am using Wayland.
Syslog seems to always point to this one function: "The offending
callback was get_preferred_height(), a vfunc". I'll attach the
relevant part from one crash.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: gnome-shell-extension-ubuntu-dock 68ubuntu1~20.04.1
ProcVersionSignature: Ubuntu 5.8.0-53.60~20.04.1-generic 5.8.18
Uname: Linux 5.8.0-53-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu27.18
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Mon May 31 20:35:37 2021
InstallationDate: Installed on 2020-11-30 (182 days ago)
InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
PackageArchitecture: all
SourcePackage: gnome-shell-extension-ubuntu-dock
UpgradeStatus: No upgrade log present (probably fresh install)
modified.conffile..etc.default.apport: [modified]
mtime.conffile..etc.default.apport: 2020-11-30T20:24:48.587084
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