This bug has been reported on the Ubuntu ISO testing tracker. A list of all reports related to this bug can be found here: http://iso.qa.ubuntu.com/qatracker/reports/bugs/1895460
** Tags added: iso-testing -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1895460 Title: mate-appearance-properties or mate-tweak causes flood of ~/.xsession- errors with Window manager warning: Log level 8: g_main_loop_is_running: assertion 'loop != NULL' failed Status in marco package in Ubuntu: New Status in mate-control-center package in Ubuntu: New Status in mate-tweak package in Ubuntu: New Status in xorg-server package in Ubuntu: New Bug description: Steps to reproduce: 0. Open terminal with `tail -f ~/.xsession-errors` 1. Open mate-appearance-properties , switch theme, change background 2. Open mate-tweak, change window manager to "Marco (no compositor)" or back to "Marco (adaptive compositor)" 3. Go back to mate-appearance-properties , switch theme, change background Expected results: * theme, background and window manager switched, no errors shown in ~/.xsession-errors . Actual results: * the ~/.xsession-errors have serious flood with messages like ``` Window manager warning: Log level 128: unsetenv() is not thread-safe and should not be used after threads are created Window manager warning: Screen 0 on display ":0" already has a window manager; try using the --replace option to replace the current window manager. Window manager warning: Log level 8: g_main_loop_is_running: assertion 'loop != NULL' failed Window manager warning: Log level 128: unsetenv() is not thread-safe and should not be used after threads are created Window manager warning: Screen 0 on display ":0" already has a window manager; try using the --replace option to replace the current window manager. Window manager warning: Log level 8: g_main_loop_is_running: assertion 'loop != NULL' failed ... ``` ProblemType: Bug DistroRelease: Ubuntu 20.10 Package: mate-tweak 20.04.0-2 ProcVersionSignature: Ubuntu 5.8.0-18.19-generic 5.8.4 Uname: Linux 5.8.0-18-generic x86_64 ApportVersion: 2.20.11-0ubuntu45 Architecture: amd64 CasperMD5CheckResult: skip CurrentDesktop: MATE Date: Sun Sep 13 18:42:58 2020 InstallationDate: Installed on 2020-09-13 (0 days ago) InstallationMedia: Ubuntu-MATE 20.10 "Groovy Gorilla" - Alpha amd64 (20200913) PackageArchitecture: all SourcePackage: mate-tweak UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/marco/+bug/1895460/+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
