Confirmed by: https://errors.ubuntu.com/problem/40c10d17842e966b2b77712dd58f500272d16dd8
But still, please run 'gnome-shell-extension-prefs' and try disabling some/all of your extensions so we can find out which (if any) are the cause. ** Summary changed: - gnome-shell crashed with SIGSEGV in st_theme_node_get_border_image() + gnome-shell crashed with SIGSEGV in st_theme_node_get_border_image() from st_theme_node_paint_equal() from st_widget_recompute_style() ** Changed in: gnome-shell (Ubuntu) Status: New => Confirmed ** Information type changed from Private to Public ** Description changed: + https://errors.ubuntu.com/problem/40c10d17842e966b2b77712dd58f500272d16dd8 + + --- + This crash occurs around 50% of the time on automatic screen lock or possible on screen blank. 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: GNOME Date: Sat May 30 18:29:24 2020 DisplayManager: gdm3 ExecutablePath: /usr/bin/gnome-shell InstallationDate: Installed on 2020-05-21 (9 days ago) InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423) ProcCmdline: /usr/bin/gnome-shell RelatedPackageVersions: mutter-common 3.36.2-1ubuntu1~20.04.1 SegvAnalysis: - Segfault happened at: 0x7f7ce568a7ff <st_theme_node_get_border_image+191>: mov (%rax),%rsi - PC (0x7f7ce568a7ff) ok - source "(%rax)" (0x00000260) not located in a known VMA region (needed readable region)! - destination "%rsi" ok + Segfault happened at: 0x7f7ce568a7ff <st_theme_node_get_border_image+191>: mov (%rax),%rsi + PC (0x7f7ce568a7ff) ok + source "(%rax)" (0x00000260) not located in a known VMA region (needed readable region)! + destination "%rsi" ok SegvReason: reading NULL VMA Signal: 11 SourcePackage: gnome-shell StacktraceTop: - st_theme_node_get_border_image () 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 + st_theme_node_get_border_image () 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_get_border_image() UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo mtime.conffile..etc.apport.crashdb.conf: 2020-05-29T18:09:27.628392 separator: -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1881415 Title: gnome-shell crashed with SIGSEGV in st_theme_node_get_border_image() from st_theme_node_paint_equal() from st_widget_recompute_style() To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1881415/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs