This bug was fixed in the package gnome-shell - 3.36.3-1ubuntu1~20.04.2
---------------
gnome-shell (3.36.3-1ubuntu1~20.04.2) focal; urgency=medium
* No change backport to focal
gnome-shell (3.36.3-1ubuntu2) groovy; urgency=medium
* d/p/shell-mime-sniffer-Ignore-invalid-file-content-type.patch:
- gnome-shell-sniffer, don't crash when opening files with invalid content
type (LP: #1865300)
gnome-shell (3.36.3-1ubuntu1~20.04.1) focal; urgency=medium
* No change backport to focal (LP: #1881973)
gnome-shell (3.36.3-1ubuntu1) groovy; urgency=medium
* Merge with debian, including new upstream release:
- Fix app icon aspect ratio in the panel (LP: #1872026)
- Ensure that Do not disturb is persistent across sessions (LP: #1873692)
- Fix Theme node crashes (LP: #1877774, LP: #1877760)
* debian/patches: Refresh
* Remaining changes with debian:
- Replace gnome-backgrounds dep with ubuntu-wallpapers and Suggests
gnome-themes-standard-data, gnome-backgrounds
- Add some Recommends:
+ ubuntu-session (| gnome-session) to have the ubuntu session available
+ xserver-xorg-legacy
+ yaru-theme-gnome-shell for the default ubuntu theming
- Update debian/gbp.conf with Ubuntu settings
- gnome-shell-common.prerm: Remove deprecated ubuntu theme alternative
- ubuntu/desktop_detect.patch:
+ add caching for desktop detection to avoid querying the current
desktop env variable as iterate through the list each time. For the
time of the Shell process, we can expect this env variable to stay
stable.
- ubuntu/smarter_alt_tab.patch:
+ quick alt-tab (without showing up the switcher) switch only between
the last window of the last 2 applications to be focused instead of
raising all windows of those apps.
- ubuntu/lightdm-user-switching.patch:
+ Allow user switching when using LightDM.
- ubuntu/lock_on_suspend.patch
+ Respect Ubuntu's lock-on-suspend setting.
- ubuntu/background_login.patch
+ Change default background color as we modified the default GDM color
for our ubuntu session.
- ubuntu/gdm_alternatives.patch
+ Add support for GDM3 theme alternatives
- optional-hot-corner.patch
+ enable patch proposed by upstream developer already in package (but
not in series) to add a settings for optional hot corner activation.
- main-show-an-error-message-on-gnome-shell-crash.patch,
global-make-possible-to-set-debug-flags-dynamically.patch,
main-increase-the-granularity-of-backtraces-in-SHELL_DEBU.patch,
main-add-backtrace-crashes-all-and-backtrace-all.patch,
sessionMode-add-support-for-debugFlags-parameter.patch:
+ Improve debug JS tracing for crash reports
- st-scroll-view-Handle-the-case-where-scrollbars-are-NULL.patch:
+ Fix crash on theme changes
- ubuntu/search-call-XUbuntuCancel-method-on-providers-when-no-dat.patch:
+ stop searches when requested from UI
- magnifier-Show-cursor-when-magnifier-is-enabled-and-scale.patch:
+ Show monitor scaled cursor when magnifier is enabled
- Break gnome-shell-extension-desktop-icons (<< 19.01.3+git20190814)
gnome-shell (3.36.3-1) unstable; urgency=medium
* New upstream release (LP: #1881973)
- Add gnome-shell-extension-prefs wrapper for compatibility
- Fix distorted fallback icons in top bar
- Lower timeout for scrolling in overview
- Only start systemd units when running under systemd
- Fix "ghost" media controls
- Fix zombie sockets from extensions downloader
- Update world clocks offsets when timezone changes
- Fix "Do Not Disturb" setting getting reset on startup
- Fix pad OSD glitches
- Fix matching notifications by PID
- Only allow updates for extensions that aren't cached
- Fixed crashes
gnome-shell (3.36.2+64+ge74e691d8-1) experimental; urgency=medium
* Team upload
* New upstream snapshot from the gnome-3-36 branch
- Fixes a crash when locking the screen with certain extensions
enabled (Closes: #959883)
* Drop compatibility glue from gnome-shell-extension-prefs.
Upstream added a wrapper script which does something mostly
equivalent.
* Install gnome-extensions-app, the new name of
gnome-shell-extension-prefs, in the gnome-shell-extension-prefs
package
-- Marco Trevisan (Treviño) <[email protected]> Fri, 05 Jun 2020
20:20:50 +0200
** Changed in: gnome-shell (Ubuntu Focal)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1877774
Title:
gnome-shell crashed with SIGSEGV in _st_theme_node_ensure_background()
from st_theme_node_paint_equal() from st_widget_recompute_style() from
st_widget_style_changed() [when locking the screen] [usually due to
dash-to-panel]
Status in GNOME Shell:
Unknown
Status in gnome-shell package in Ubuntu:
Fix Released
Status in gnome-shell source package in Focal:
Fix Released
Bug description:
[ Impact ]
GNOME shell crashes on extensions loading / updates
[ Test case ]
- No clear test case, normally may happen during screen locking/unlocking
- But crashes should be monitored at
https://errors.ubuntu.com/problem/4127e7e714fd28c090da0220de2ff06e71274eda
[ Regression potential ]
Stylesheet memory could be leaked
---
Seems to be reproducible
Suspend the computer
Start the computer from suspend
Start chrome gmail.
Has happened two times
ProblemType: CrashDistroRelease: Ubuntu 20.10
Package: gnome-shell 3.36.2-1ubuntu1
ProcVersionSignature: Ubuntu 5.4.0-28.32-generic 5.4.30
Uname: Linux 5.4.0-28-generic x86_64
ApportVersion: 2.20.11-0ubuntu33
Architecture: amd64
CasperMD5CheckResult: skip
CrashCounter: 1
CurrentDesktop: ubuntu:GNOME
Date: Sat May 9 20:00:47 2020
DisplayManager: gdm3
ExecutablePath: /usr/bin/gnome-shell
InstallationDate: Installed on 2020-04-16 (23 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200415.2)
ProcCmdline: /usr/bin/gnome-shell
RelatedPackageVersions: mutter-common 3.36.2-1ubuntu1
SegvAnalysis:
Segfault happened at: 0x7fe1b40c4252 <_st_theme_node_ensure_background+226>:
mov (%rax),%r12
PC (0x7fe1b40c4252) ok
source "(%rax)" (0x00000000) not located in a known VMA region (needed
readable region)!
destination "%r12" ok
SegvReason: reading NULL VMA
Signal: 11SourcePackage: gnome-shell
StacktraceTop:
_st_theme_node_ensure_background () from /usr/lib/gnome-shell/libst-1.0.so
st_theme_node_paint_equal () from /usr/lib/gnome-shell/libst-1.0.so
?? () from /usr/lib/gnome-shell/libst-1.0.so
st_widget_style_changed () from /usr/lib/gnome-shell/libst-1.0.so
?? () from /usr/lib/gnome-shell/libst-1.0.so
Title: gnome-shell crashed with SIGSEGV in _st_theme_node_ensure_background()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo
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