This bug was fixed in the package mutter -
3.28.3+git20190124-0ubuntu18.04.2
---------------
mutter (3.28.3+git20190124-0ubuntu18.04.2) bionic; urgency=medium
* control: Add Breaks on budgie-desktop verions broken by this upload.
budgie-desktop needs a fix in 10.4+git20171031.10.g9f71bb8-1.2ubuntu1.2
for compatibility with this mutter.
mutter (3.28.3+git20190124-0ubuntu18.04.1) bionic; urgency=medium
* New upstream git snapshot based on 3.28.3 plus commits up to 4af8d9d47
(LP: #1811900)
- Fix crash in dual monitor setup and gdm activation (LP: #1790525,
LP: #1795774)
- Make possible to launch gnome-shell in wayland using nvidia and EGLDevice
backend (LP: #1805444)
* debian/libmutter-2-0.symbols: Add new symbols
* d/p/gpu-kms-Don-t-crash-if-drmModeGetResources-returns-N.patch,
d/p/native-gpu-Handle-drmModeSetCrtc-failing-gracefully.patch,
d/p/monitor-manager-Filter-out-low-screen-resolutions.patch,
d/p/window-wayland-Always-update-monitor-for-non-user-ops.patch,
d/p/window-Don-t-refuse-to-move-focus-to-the-grab-window.patch,
d/p/window-Explicitly-exclude-unmanaging-window-from-focus-ag.patch,
d/p/monitor-Use-current-monitor-mode-to-check-whether-active.patch,
d/p/core-Return-1-if-meta_window_get_monitor-is-called-on-an-.patch,
d/p/renderer-native-Fallback-to-non-planar-API-if-gbm_bo_get_.patch,
d/p/clutter-x11-Implement-keycode-lookup-from-keysyms-on-virt.patch,
d/p/clutter-Do-not-latch-modifiers-on-modifier-keys.patch:
- Removed as applied upstream
* d/p/clutter-Fix-offscreen-effect-painting-of-clones.patch:
- Fix offscreen-effect painting of clones in zoom mode (LP: #1767648,
LP: #1779615)
-- Iain Lane <[email protected]> Wed, 17 Apr 2019 11:35:51 +0100
** Changed in: mutter (Ubuntu Bionic)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1790525
Title:
gnome-shell assert failure: double free or corruption (fasttop) in
g_free() from g_error_free() from cogl_error_free() from
cogl_texture_new_with_size() from
clutter_offscreen_effect_real_create_texture()
Status in mutter package in Ubuntu:
Fix Released
Status in mutter source package in Bionic:
Fix Released
Status in mutter source package in Cosmic:
Fix Released
Bug description:
[ Impact ]
Gnome shell crashes on double free
Problem is occurring if dual monitor is used. Second monitor is
repeatingly blank and activated again. At the bottom it probably
contains the upper part of the first monitor. I had the same problem
at 18.04 when using gdm3 without wayland during logon.
[ Test case ]
- Run gnome-shell with multimonitor
- No flashing should happen on gdm initialization
Also we should monitor crashes in e.u.c
[ Regression potential ]
Low, the proposed fix is part of the current stable branch upstream
and not changed in further revisions.
--
ProblemType: CrashDistroRelease: Ubuntu 18.10
Package: gnome-shell 3.29.90-2ubuntu1
ProcVersionSignature: Ubuntu 4.17.0-9.10-generic 4.17.17
Uname: Linux 4.17.0-9-generic i686
ApportVersion: 2.20.10-0ubuntu9
Architecture: i386
AssertionMessage: double free or corruption (fasttop)
CurrentDesktop: ubuntu:GNOME
Date: Mon Sep 3 21:02:58 2018
DisplayManager: gdm3
ExecutablePath: /usr/bin/gnome-shell
GsettingsChanges: b'org.gnome.desktop.interface' b'gtk-im-module'
b"'gtk-im-context-simple'"
ProcCmdline: /usr/bin/gnome-shell
ProcEnviron:
LANGUAGE=en_US:en
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
Signal: 6SourcePackage: gnome-shell
StacktraceTop:
__libc_signal_restore_set (set=0xbfcd5e9c) at
../sysdeps/unix/sysv/linux/nptl-signals.h:80
__GI_raise (sig=6) at ../sysdeps/unix/sysv/linux/raise.c:48
__GI_abort () at abort.c:79
__libc_message (action=do_abort, fmt=<optimized out>) at
../sysdeps/posix/libc_fatal.c:181
malloc_printerr (str=str@entry=0xb6b437e8 "double free or corruption
(fasttop)") at malloc.c:5350
Title: gnome-shell assert failure: double free or corruption (fasttop)
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
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