** Changed in: gnome-shell (Ubuntu)
Status: New => In Progress
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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 gnome-shell package in Ubuntu:
In Progress
Status in mutter package in Ubuntu:
In Progress
Bug description:
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.
ProblemType: Crash
DistroRelease: 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: 6
SourcePackage: 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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