Public bug reported:
In a Wayland session:
1. Deactivate all other extensions
2. Enable "Suspend when laptop lid is closed" in Gnome Tweaks
3. Close the lid, wait 10 seconds to let laptop suspend
4. Open the lid
-> Back at the login screen. After login, I find gnome-shell segfault in
dmesg every time:
[ 43.726441] wlp2s0: deauthenticating from e0:28:6d:5d:ab:1b by local choice
(Reason: 3=DEAUTH_LEAVING)
[ 44.260346] show_signal_msg: 29 callbacks suppressed
[ 44.260348] gnome-shell[2232]: segfault at fffffffffffffbc8 ip
00007efeff70eeb8 sp 00007fff431f4b80 error 5 in libst-1.0.so[7efeff6e8000+2b000]
[ 44.260351] Code: 00 00 48 8d 3d 67 78 00 00 e9 44 9c fd ff 0f 1f 40 00 41
57 41 56 41 55 41 54 55 53 48 83 ec 28 48 63 1d eb 74 01 00 48 01 fb <48> 8b 6b
08 48 85 ed 74 17 48 83 c4 28 48 89 e8 5b 5d 41 5c 41 5d
[ 44.373342] rfkill: input handler enabled
[ 44.594587] PM: suspend entry (deep)
gnome-shell is 3.30.1-2ubuntu1.18.10.1 from ubuntu-proposed.
In Wayland session, suspend and wakeup works when initiated from panel menu.
When suspend-on-lid-close is disabled in Gnome Tweaks, gnome-shell and the
Wayland session survive the lid close.
In X session, suspend and wakeup works when initiated either by lid
close or from panel menu.
Hardware is a Dell XPS 15 9575, using i915 and amdgpu module. (Has the
on-chip AMD RX Vega M dGPU)
ProblemType: Bug
DistroRelease: Ubuntu 18.10
Package: gnome-shell-extension-workspaces-to-dock 49-1
ProcVersionSignature: Ubuntu 4.18.0-12.13-generic 4.18.17
Uname: Linux 4.18.0-12-generic x86_64
ApportVersion: 2.20.10-0ubuntu13.1
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Mon Nov 26 19:57:31 2018
InstallationDate: Installed on 2018-09-13 (73 days ago)
InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Alpha amd64 (20180912)
PackageArchitecture: all
SourcePackage: gnome-shell-extension-workspaces-to-dock
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: gnome-shell-extension-workspaces-to-dock (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug cosmic third-party-packages wayland-session
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https://bugs.launchpad.net/bugs/1805208
Title:
gnome-shell-extension-workspaces-to-dock the only enabled extension,
gnome-shell crashes with segfault on suspend-by-lid-close in Wayland
session
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