*** This bug is a duplicate of bug 1505409 ***
https://bugs.launchpad.net/bugs/1505409
JournalErrors.txt is showing that Xwayland crashed, which is a fatal
error for gnome-shell and it gives up. So that would make this a
duplicate of bug 1505409 or bug 1556601.
However the same log shows other shell crashes too:
Sep 15 16:28:21 hostname gnome-shell[1393]:
meta_renderer_native_release_onscreen: assertion
'onscreen_native->gbm.next_fb_id == 0' failed
Sep 15 16:28:21 hostname gnome-shell[1393]: _cogl_onscreen_free: assertion
'onscreen->winsys == ((void *)0)' failed
and
Sep 15 17:38:43 hostname gnome-shell[10327]: clutter_actor_is_visible:
assertion 'CLUTTER_IS_ACTOR (self)' failed
Sep 15 17:39:02 hostname gnome-shell[10327]: remove_mnemonics: assertion 'label
!= NULL' failed
and
Sep 18 08:05:58 hostname gnome-shell[10327]: clutter_actor_lower: Actor of type
ClutterActor is not inside a container
Sep 18 08:05:58 hostname gnome-shell[10327]: _cogl_pipeline_override_uniform:
assertion 'cogl_is_pipeline (pipeline)' failed
So you're getting a bunch of different crashes that each need their own
bug reports. I suggest we close this bug because it's become conflated,
and then pursue each crash with separate bug reports. Either wait till
you can get a .crash file or stack trace, or wait till one of those
assertions reoccurs and log a new bug about that.
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https://bugs.launchpad.net/bugs/1717928
Title:
gnome crashes when using qemu display
Status in gnome-shell package in Ubuntu:
Incomplete
Bug description:
Using the qemu vga display under gnome is reliably causing gnome to
crash on my laptop. I've seen this when using libvirt and also when
invoking qemu from the command line. I've tried several display
options for qemu:
-vga qxl
-vga virtio
-display gtk
All result in the crash. No crash report is appearing in /var/crash
after this happens, but I checked dmesg the last time and found this:
[15078.446564] gnome-shell[10327]: segfault at 8 ip 00007f4c53c794af
sp 00007ffd7eb03e90 error 4 in libmutter-cogl-1.so[7f4c53c14000+a5000]
The crash usually doesn't happen right away. Sometimes it happens a
few seconds after the display is opened, other times it's happened
when I've moved to another window and then select the qemu display
using Alt-Tab.
ProblemType: Bug
DistroRelease: Ubuntu 17.10
Package: gnome-shell 3.26.0-0ubuntu1
ProcVersionSignature: Ubuntu 4.13.0-11.12-generic 4.13.1
Uname: Linux 4.13.0-11-generic x86_64
ApportVersion: 2.20.7-0ubuntu1
Architecture: amd64
CurrentDesktop: GNOME
Date: Mon Sep 18 08:11:44 2017
DisplayManager: gdm3
EcryptfsInUse: Yes
InstallationDate: Installed on 2017-03-30 (172 days ago)
InstallationMedia: Ubuntu 17.04 "Zesty Zapus" - Beta amd64 (20170329)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: gnome-shell
UpgradeStatus: Upgraded to artful on 2017-04-27 (143 days ago)
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