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-- 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/1924613 Title: gnome-shell assert failure: gnome-shell: ../../src/xcb_io.c:260: poll_for_event: Assertion `!xcb_xlib_threads_sequence_lost' failed. Status in gnome-shell package in Ubuntu: New Bug description: Description: Ubuntu 20.04.2 LTS Release: 20.04 gnome-shell: Installed: 3.36.7-0ubuntu0.20.04.1 Candidate: 3.36.7-0ubuntu0.20.04.1 Version table: *** 3.36.7-0ubuntu0.20.04.1 500 500 http://archive.ubuntu.com/ubuntu focal-updates/main amd64 Packages 100 /var/lib/dpkg/status 3.36.4-1ubuntu1~20.04.2 500 500 http://archive.ubuntu.com/ubuntu focal-security/main amd64 Packages 3.36.1-5ubuntu1 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages mutter 3.36.7 Description of issue: The GUI seems to freeze/reload/refresh instantly. It happens when I e.g. click on the docker panel and/or just move the mouse cursor around, click on apps and do something GUI related, open folders. The GUI reload/refresh crash lasts for about 2 seconds, it suddenly/instantly repositions my mouse cursor to the lower right corner of the screen and my laptop's fan works harder at those 2 seconds. The issue started after I updated and, at a later time, rebooted the machine. Below are the gnome-related upgrades that I did (`cat /var/log/dpkg.log | grep gnome`): 2021-04-15 17:50:29 status triggers-pending gnome-menus:amd64 3.36.0-1ubuntu1 2021-04-15 17:50:30 upgrade libreoffice-gnome:amd64 1:6.4.6-0ubuntu0.20.04.1 1:6.4.7-0ubuntu0.20.04.1 2021-04-15 17:50:30 status half-configured libreoffice-gnome:amd64 1:6.4.6-0ubuntu0.20.04.1 2021-04-15 17:50:30 status unpacked libreoffice-gnome:amd64 1:6.4.6-0ubuntu0.20.04.1 2021-04-15 17:50:30 status half-installed libreoffice-gnome:amd64 1:6.4.6-0ubuntu0.20.04.1 2021-04-15 17:50:30 status unpacked libreoffice-gnome:amd64 1:6.4.7-0ubuntu0.20.04.1 2021-04-15 17:50:56 configure libreoffice-gnome:amd64 1:6.4.7-0ubuntu0.20.04.1 <none> 2021-04-15 17:50:56 status unpacked libreoffice-gnome:amd64 1:6.4.7-0ubuntu0.20.04.1 2021-04-15 17:50:56 status half-configured libreoffice-gnome:amd64 1:6.4.7-0ubuntu0.20.04.1 2021-04-15 17:50:56 status installed libreoffice-gnome:amd64 1:6.4.7-0ubuntu0.20.04.1 2021-04-15 17:50:57 trigproc gnome-menus:amd64 3.36.0-1ubuntu1 <none> 2021-04-15 17:50:57 status half-configured gnome-menus:amd64 3.36.0-1ubuntu1 2021-04-15 17:50:57 status installed gnome-menus:amd64 3.36.0-1ubuntu1 2021-04-15 18:00:30 status triggers-pending gnome-menus:amd64 3.36.0-1ubuntu1 2021-04-15 18:00:30 trigproc gnome-menus:amd64 3.36.0-1ubuntu1 <none> 2021-04-15 18:00:30 status half-configured gnome-menus:amd64 3.36.0-1ubuntu1 2021-04-15 18:00:30 status installed gnome-menus:amd64 3.36.0-1ubuntu1 ProblemType: Crash DistroRelease: Ubuntu 20.04 Package: gnome-shell 3.36.7-0ubuntu0.20.04.1 ProcVersionSignature: Ubuntu 5.8.0-49.55~20.04.1-generic 5.8.18 Uname: Linux 5.8.0-49-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.16 Architecture: amd64 AssertionMessage: gnome-shell: ../../src/xcb_io.c:260: poll_for_event: Assertion `!xcb_xlib_threads_sequence_lost' failed. CasperMD5CheckResult: skip CrashCounter: 1 CurrentDesktop: ubuntu:GNOME Date: Thu Apr 15 22:04:15 2021 DisplayManager: gdm3 ExecutablePath: /usr/bin/gnome-shell ExecutableTimestamp: 1608008084 InstallationDate: Installed on 2021-01-17 (88 days ago) InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731) ProcCmdline: /usr/bin/gnome-shell ProcCwd: /home/freekostageo RelatedPackageVersions: mutter-common 3.36.7+git20201123-0.20.04.1 Signal: 6 SourcePackage: gnome-shell StacktraceTop: __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50 __GI_abort () at abort.c:79 __assert_fail_base (fmt=0x7feadaaeb588 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=0x7feada528858 "!xcb_xlib_threads_sequence_lost", file=0x7feada5286c3 "../../src/xcb_io.c", line=260, function=<optimized out>) at assert.c:92 __GI___assert_fail (assertion=0x7feada528858 "!xcb_xlib_threads_sequence_lost", file=0x7feada5286c3 "../../src/xcb_io.c", line=260, function=0x7feada528b10 "poll_for_event") at assert.c:101 ?? () from /lib/x86_64-linux-gnu/libX11.so.6 Title: gnome-shell assert failure: gnome-shell: ../../src/xcb_io.c:260: poll_for_event: Assertion `!xcb_xlib_threads_sequence_lost' failed. UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip docker lpadmin lxd plugdev sambashare sudo modified.conffile..etc.xdg.autostart.gnome-shell-overrides-migration.desktop: [modified] mtime.conffile..etc.xdg.autostart.gnome-shell-overrides-migration.desktop: 2021-01-28T02:14:06.107431 separator: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1924613/+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
