Sorry, this is so old that I've forgotten what it was about and the circumstances. Also, I never understood the issues. I have since upgraded to 18.04 and then to 18.04.1. I've also gotten out of the habit of reporting such things. I will start reporting them again. Jim
On Mon, Jan 7, 2019 at 8:55 PM Daniel van Vugt < daniel.van.v...@canonical.com> wrote: > James, > > I think this bug is fixed, and we just have too many spurious bug links > pointing here due to similar stack traces. If you can share a link to > one of your recent crash reports it would be most helpful. > > -- > You received this bug notification because you are subscribed to a > duplicate bug report (1765886). > https://bugs.launchpad.net/bugs/1748450 > > Title: > gnome-shell crashed with SIGTRAP in _g_log_abort() from > g_log_default_handler() from default_log_handler(message="Connection > to xwayland lost") from g_logv() from g_log() from <bug 1505409> > > Status in gnome-shell package in Ubuntu: > Invalid > Status in mutter package in Ubuntu: > Fix Released > Status in gnome-shell source package in Bionic: > Invalid > Status in mutter source package in Bionic: > Fix Released > > Bug description: > [Impact] > > * Xwayland is failing frequently (not crashing), which triggers a > crash in gnome-shell because gnome-shell doesn't know how to survive > after Xwayland has reset itself. > > * The frequent gnome-shell crashes create frequent problem reports and > annoying dialogs for users, after they log in to an apparently working > gnome-shell. > > * This affects Xorg sessions too, because the gdm login screen itself > is a Wayland session. And Xorg users will see the problem dialog after > they have logged into a Xorg session. > > * The fix simply converts the crash into a silent exit (as decided by > Gnome upstream). This avoids the mountain of crash reports and > annoying error dialogs at least. It does not fix the root causes that > remain in Xwayland, but this is considered acceptable because there > really isn't a bug in gnome-shell here other than it doesn't know how > to survive without a connection to Xwayland. > > * For users of Xorg sessions, like bionic default, this is a full fix > as Xorg users will never get an Xwayland instance after logging in. > And hence the Xwayland bugs are irrelevant. > > [Test Case] > > * Just install bionic, use it lightly and reboot a few times. > > * Observe crash files are left in /var/crash and problem report > dialogs after logging in. > > [Regression Potential] > > Medium. The fix does not really change the structure of the existing > error handling, only changes it from a core dump into a silent exit. > For Xorg users this should be invisible as the affected login screen > restarts automatically. > > [Other Info] > > This is a whole class of gnome-shell crash which includes bug 1505409, > bug 1748450 and bug 1556601. All three should be considered the same crash > for the sake of this SRU. Just don't mark them as duplicates of each other > because they are all still collecting duplicates of their own. > > --------- > > *** This is a duplicate of bug 1505409, but is being kept separate so > as to automatically collect duplicate reports since the stacktrace > signature has changed recently. Any resolution and discussion should > occur in bug 1505409. *** > > See also: > > https://errors.ubuntu.com/problem/8ef857b2fe07d60742cd02d7d8f988f78ecd0f95 > > ProblemType: Crash > DistroRelease: Ubuntu 18.04 > Package: gnome-shell 3.26.2-0ubuntu2 > ProcVersionSignature: Ubuntu 4.13.0-33.36-generic 4.13.13 > Uname: Linux 4.13.0-33-generic x86_64 > ApportVersion: 2.20.8-0ubuntu8 > Architecture: amd64 > CurrentDesktop: GNOME-Greeter:GNOME > Date: Thu Feb 8 23:50:23 2018 > DisplayManager: gdm3 > ExecutablePath: /usr/bin/gnome-shell > GsettingsChanges: > > InstallationDate: Installed on 2016-03-21 (690 days ago) > InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 > (20160307) > ProcCmdline: /usr/bin/gnome-shell > ProcEnviron: > PATH=(custom, no user) > XDG_RUNTIME_DIR=<set> > LANG=en_US.UTF-8 > SHELL=/bin/false > Signal: 5 > SourcePackage: gnome-shell > StacktraceTop: > () at /usr/lib/x86_64-linux-gnu/libmutter-1.so.0 > _XIOError () at /usr/lib/x86_64-linux-gnu/libX11.so.6 > _XEventsQueued () at /usr/lib/x86_64-linux-gnu/libX11.so.6 > XPending () at /usr/lib/x86_64-linux-gnu/libX11.so.6 > () at /usr/lib/x86_64-linux-gnu/libgdk-3.so.0 > Title: gnome-shell crashed with signal 5 > UpgradeStatus: Upgraded to bionic on 2018-02-08 (0 days ago) > UserGroups: > > To manage notifications about this bug go to: > > https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1748450/+subscriptions > -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/1748450 Title: gnome-shell crashed with SIGTRAP in _g_log_abort() from g_log_default_handler() from default_log_handler(message="Connection to xwayland lost") from g_logv() from g_log() from <bug 1505409> To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1748450/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs