Public bug reported: Attempting to use multiple monitors from the graphical interface results in nothing happening:
(gnome-control-center:8910): display-cc-panel-WARNING **: Error applying configuration: GDBus.Error:org.freedesktop.DBus.Error.UnknownMethod: Method ApplyConfiguration is not implemented on interface org.gnome.Mutter.DisplayConfig Attempting to set up the same from xrandr causes segmentation faults in libmutter: $ sudo dmesg --console-on $ xrandr --output eDP-1 --off --output DP-1-2 --mode 1920x1080 --rotate left --pos 2160x0 --output DP-1-1 --pos 0x0 --mode 1920x1080 --rotate left --output DP-1-3 --pos 1080x0 --mode 1920x1080 --rotate left --verbose --scale 1x1 screen 0: 3240x1920 858x508 mm 95.92dpi crtc 0: 1920x1080 60.00 +1080+0 "DP-1-3" crtc 1: 1920x1080 60.00 +2160+0 "DP-1-2" crtc 2: 1920x1080 60.00 +0+0 "DP-1-1" sraffa@sraffa-Latitude-E7270:~⟫ [Sep 4 11:07] gnome-shell[3603]: segfault at 8 ip 00007f79e651bda0 sp 00007ffd48c3d1b8 error 4 in libmutter-1.so.0.0.0[7f79e64c2000+13f000] It should be noted that all monitors are working as expected during boot (e.g. while typing my HDD unlock password) ProblemType: Bug DistroRelease: Ubuntu 17.10 Package: libmutter-1-0 3.25.91+20170902~ce515c5-1ubuntu1 ProcVersionSignature: Ubuntu 4.12.0-12.13-generic 4.12.8 Uname: Linux 4.12.0-12-generic x86_64 ApportVersion: 2.20.7-0ubuntu1 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Mon Sep 4 11:02:06 2017 EcryptfsInUse: Yes InstallationDate: Installed on 2017-08-14 (20 days ago) InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170814) SourcePackage: mutter UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: mutter (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug artful ** Description changed: Attempting to use multiple monitors from the graphical interface results in nothing happening: (gnome-control-center:8910): display-cc-panel-WARNING **: Error applying configuration: GDBus.Error:org.freedesktop.DBus.Error.UnknownMethod: Method ApplyConfiguration is not implemented on interface org.gnome.Mutter.DisplayConfig Attempting to set up the same from xrandr causes segmentation faults in libmutter: $ sudo dmesg --console-on $ xrandr --output eDP-1 --off --output DP-1-2 --mode 1920x1080 --rotate left --pos 2160x0 --output DP-1-1 --pos 0x0 --mode 1920x1080 --rotate left --output DP-1-3 --pos 1080x0 --mode 1920x1080 --rotate left --verbose --scale 1x1 screen 0: 3240x1920 858x508 mm 95.92dpi crtc 0: 1920x1080 60.00 +1080+0 "DP-1-3" crtc 1: 1920x1080 60.00 +2160+0 "DP-1-2" crtc 2: 1920x1080 60.00 +0+0 "DP-1-1" sraffa@sraffa-Latitude-E7270:~⟫ [Sep 4 11:07] gnome-shell[3603]: segfault at 8 ip 00007f79e651bda0 sp 00007ffd48c3d1b8 error 4 in libmutter-1.so.0.0.0[7f79e64c2000+13f000] + It should be noted that all monitors are working as expected during boot + (e.g. while typing my HDD unlock password) + ProblemType: Bug DistroRelease: Ubuntu 17.10 Package: libmutter-1-0 3.25.91+20170902~ce515c5-1ubuntu1 ProcVersionSignature: Ubuntu 4.12.0-12.13-generic 4.12.8 Uname: Linux 4.12.0-12-generic x86_64 ApportVersion: 2.20.7-0ubuntu1 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Mon Sep 4 11:02:06 2017 EcryptfsInUse: Yes InstallationDate: Installed on 2017-08-14 (20 days ago) InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170814) SourcePackage: mutter UpgradeStatus: No upgrade log present (probably fresh install) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1714908 Title: Cannot use multiple monitors; xrandr causes segfault at 1a0 ip 00007f54021c9836 sp 00007fff 994f5b00 error 4 in libmutter-1.so.0.0.0[7f54020e5000+13f000] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/1714908/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs