[Expired for mutter (Ubuntu) because there has been no activity for 60
days.]
** Changed in: mutter (Ubuntu)
Status: Incomplete => Expired
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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]
Status in mutter package in Ubuntu:
Expired
Bug description:
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"
[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)
Regrettably the segfault information changes every time and apport
doesn't seem able to capture reports for it.
xfce sessions from lightdm start regularly and can use external
monitors regularly.
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)
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