*** This bug is a duplicate of bug 1877774 *** https://bugs.launchpad.net/bugs/1877774
Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #1877774, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find. ** Attachment removed: "CoreDump.gz" https://bugs.launchpad.net/bugs/1881725/+attachment/5379712/+files/CoreDump.gz ** Attachment removed: "Disassembly.txt" https://bugs.launchpad.net/bugs/1881725/+attachment/5379714/+files/Disassembly.txt ** Attachment removed: "ProcMaps.txt" https://bugs.launchpad.net/bugs/1881725/+attachment/5379718/+files/ProcMaps.txt ** Attachment removed: "ProcStatus.txt" https://bugs.launchpad.net/bugs/1881725/+attachment/5379719/+files/ProcStatus.txt ** Attachment removed: "Registers.txt" https://bugs.launchpad.net/bugs/1881725/+attachment/5379720/+files/Registers.txt ** Attachment removed: "Stacktrace.txt" https://bugs.launchpad.net/bugs/1881725/+attachment/5379722/+files/Stacktrace.txt ** Attachment removed: "ThreadStacktrace.txt" https://bugs.launchpad.net/bugs/1881725/+attachment/5379723/+files/ThreadStacktrace.txt ** This bug has been marked a duplicate of bug 1877774 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() [usually with the dash-to-panel extension] ** Information type changed from Private to Public ** Tags removed: need-amd64-retrace -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1881725 Title: gnome-shell crashed with SIGSEGV in _st_theme_node_ensure_background(), can't lock my screen. Status in gnome-shell package in Ubuntu: New Bug description: Versions: Ubuntu 20.04 LTS focal GNOME Shell 3.36.2 gnome-screensaver 3.6.1-11ubuntu4 Using gdm3 as a display manager GDM 3.34.1 Expected: When locking the computer it should lock it. What happens instead: Can't lock my screen at all with: 1) Super + L keys 2) Manually pressing 'Lock' on Menu 3)'gnome-screensaver-command -l' in the terminal I have to Log out/ shutdown my computer at the end of the day. In case I can't lock my screen it's a security issue. syslog output: Jun 1 16:47:02 slava-ubuntu gsd-media-keys[2207]: Couldn't lock screen: GDBus.Error:org.freedesktop.DBus.Error.NoReply: Message recipient disconnected from message bus without replying ProblemType: Crash DistroRelease: Ubuntu 20.04 Package: gnome-shell 3.36.2-1ubuntu1~20.04.1 ProcVersionSignature: Ubuntu 5.4.0-33.37-generic 5.4.34 Uname: Linux 5.4.0-33-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.2 Architecture: amd64 CasperMD5CheckResult: skip CrashCounter: 1 CurrentDesktop: ubuntu:GNOME Date: Tue Jun 2 11:10:27 2020 DisplayManager: gdm3 ExecutablePath: /usr/bin/gnome-shell ExecutableTimestamp: 1588817557 InstallationDate: Installed on 2019-04-14 (415 days ago) InstallationMedia: Ubuntu 16.04.5 LTS "Xenial Xerus" - Release amd64 (20180731) ProcCmdline: /usr/bin/gnome-shell ProcCwd: /home/slavar ProcEnviron: LANG=en_US.UTF-8 PATH=(custom, user) SHELL=/usr/bin/zsh XDG_RUNTIME_DIR=<set> RelatedPackageVersions: mutter-common 3.36.2-1ubuntu1~20.04.1 SegvAnalysis: Segfault happened at: 0x7fde53381252 <_st_theme_node_ensure_background+226>: mov (%rax),%r12 PC (0x7fde53381252) ok source "(%rax)" (0x2c005d00200020) not located in a known VMA region (needed readable region)! destination "%r12" ok SegvReason: reading unknown VMA Signal: 11 SourcePackage: 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: docker sudo wireshark separator: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1881725/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp