I am getting the same issue, same error. Crashes once I reach the progress screen of 18.04 installation.
Syslog report: ...... Apr 28 20:26:54 ubuntu localechooser: info: Set debian-installer/locale = 'en_CA.UTF-8' Apr 28 20:26:54 ubuntu localechooser: info: System locale (debian-installer/locale) = 'en_CA.UTF-8' Apr 28 20:26:54 ubuntu ubiquity: /usr/lib/ubiquity/localechooser/localechooser: 910: [: C.UTF-8: unexpected operator Apr 28 20:26:54 ubuntu ubiquity[3103]: debconffilter_done: ubi-timezone (current: ubi-timezone) Apr 28 20:26:54 ubuntu ubiquity[3103]: Step_before = stepLocation Apr 28 20:26:54 ubuntu partman: mke2fs 1.44.1 (24-Mar-2018) Apr 28 20:26:54 ubuntu ubiquity[3103]: switched to page usersetup Apr 28 20:26:54 ubuntu clear_partitions: Considering /home,/dev/nvme0n1p6. Apr 28 20:26:54 ubuntu kernel: [ 100.161039] EXT4-fs (nvme0n1p6): mounted filesystem with ordered data mode. Opts: (null) Apr 28 20:26:54 ubuntu kernel: [ 100.278116] EXT4-fs (nvme0n1p7): mounted filesystem with ordered data mode. Opts: errors=remount-ro Apr 28 20:26:54 ubuntu kernel: [ 100.296127] EXT4-fs (nvme0n1p6): mounted filesystem with ordered data mode. Opts: (null) Apr 28 20:26:55 ubuntu ubiquity: File descriptor 3 (pipe:[67210]) leaked on pvs invocation. Parent PID 18458: /bin/sh Apr 28 20:26:55 ubuntu ubiquity[3103]: debconffilter_done: ubiquity.components.partman_commit (current: ubi-usersetup) Apr 28 20:26:55 ubuntu /install.py: keeping packages due to preseeding: icedtea6-plugin openoffice.org Apr 28 20:26:55 ubuntu /install.py: keeping language packs for: en_US.UTF-8 Apr 28 20:26:56 ubuntu ubiquity: W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/bionic/InRelease Could not resolve 'archive.ubuntu.com' Apr 28 20:26:56 ubuntu ubiquity: W: Failed to fetch http://security.ubuntu.com/ubuntu/dists/bionic-security/InRelease Could not resolve 'security.ubuntu.com' Apr 28 20:26:56 ubuntu ubiquity: W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/bionic-updates/InRelease Could not resolve 'archive.ubuntu.com' Apr 28 20:26:56 ubuntu ubiquity: W: Some index files failed to download. They have been ignored, or old ones used instead. Apr 28 20:26:56 ubuntu ubiquity: W: --force-yes is deprecated, use one of the options starting with --allow instead. Apr 28 20:27:13 ubuntu ubiquity[3103]: debconffilter_done: ubi-usersetup (current: ubi-usersetup) Apr 28 20:27:13 ubuntu ubiquity[3103]: Step_before = stepUserInfo Apr 28 20:27:14 ubuntu kernel: [ 119.884166] do_trap: 26 callbacks suppressed Apr 28 20:27:14 ubuntu kernel: [ 119.884168] traps: ubiquity[3103] trap int3 ip:7ff0a1502c41 sp:7ffe0681d810 error:0 in libglib-2.0.so.0.5600.1[7ff0a14b1000+113000] Apr 28 20:27:25 ubuntu /install.py: Exception during installation: Apr 28 20:27:25 ubuntu /install.py: Traceback (most recent call last): Apr 28 20:27:25 ubuntu /install.py: File "/usr/share/ubiquity/install.py", line 765, in <module> Apr 28 20:27:25 ubuntu /install.py: install.run() Apr 28 20:27:25 ubuntu /install.py: File "/usr/share/ubiquity/install.py", line 135, in run Apr 28 20:27:25 ubuntu /install.py: self.copy_all() Apr 28 20:27:25 ubuntu /install.py: File "/usr/share/ubiquity/install.py", line 513, in copy_all Apr 28 20:27:25 ubuntu /install.py: self.db.progress('SET', 10 + copy_progress) Apr 28 20:27:25 ubuntu /install.py: File "/usr/lib/python3/dist-packages/debconf.py", line 83, in <lambda> Apr 28 20:27:25 ubuntu /install.py: lambda *args, **kw: self.command(command, *args, **kw)) Apr 28 20:27:25 ubuntu /install.py: File "/usr/lib/python3/dist-packages/debconf.py", line 104, in command Apr 28 20:27:25 ubuntu /install.py: status = int(status) Apr 28 20:27:25 ubuntu /install.py: ValueError: invalid literal for int() with base 10: '' Apr 28 20:27:25 ubuntu /install.py: Apr 28 20:27:25 ubuntu nautilus-autostart.desktop[2103]: Trace/breakpoint trap (core dumped) Apr 28 20:27:31 ubuntu dbus-daemon[1666]: [session uid=999 pid=1666] Activating via systemd: service name='org.gnome.Terminal' unit='gnome-terminal-server.service' requested by ':1.81' (uid=999 pid=18835 comm="/usr/bin/gnome-terminal.real " label="unconfined") Apr 28 20:27:31 ubuntu systemd[1622]: Starting GNOME Terminal Server... Apr 28 20:27:31 ubuntu dbus-daemon[1666]: [session uid=999 pid=1666] Successfully activated service 'org.gnome.Terminal' Apr 28 20:27:31 ubuntu systemd[1622]: Started GNOME Terminal Server. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to glib2.0 in Ubuntu. https://bugs.launchpad.net/bugs/1751252 Title: ubiquity crashed with signal 5 in _XEventsQueued() Status in glib2.0 package in Ubuntu: Incomplete Status in ubiquity package in Ubuntu: Triaged Status in glib2.0 source package in Bionic: Incomplete Status in ubiquity source package in Bionic: Triaged Bug description: Crashed in a VM in the middle of installation. The host is Bionic up to date. From the journal Feb 23 12:52:27 ubuntu kernel: traps: ubiquity[2646] trap int3 ip:7f5a76936961 sp:7ffde5090c50 error:0 in libglib-2.0.so.0.5400.1[7f5a768e6000+111000] Feb 23 12:52:41 ubuntu /install.py[6858]: Exception during installation: Feb 23 12:52:41 ubuntu /install.py[6858]: Traceback (most recent call last): Feb 23 12:52:41 ubuntu /install.py[6858]: File "/usr/share/ubiquity/install.py", line 757, in <module> Feb 23 12:52:41 ubuntu /install.py[6858]: install.run() Feb 23 12:52:41 ubuntu /install.py[6858]: File "/usr/share/ubiquity/install.py", line 135, in run Feb 23 12:52:41 ubuntu /install.py[6858]: self.copy_all() Feb 23 12:52:41 ubuntu /install.py[6858]: File "/usr/share/ubiquity/install.py", line 505, in copy_all Feb 23 12:52:41 ubuntu /install.py[6858]: self.db.progress('SET', 10 + copy_progress) Feb 23 12:52:41 ubuntu /install.py[6858]: File "/usr/lib/python3/dist-packages/debconf.py", line 83, in <lambda> Feb 23 12:52:41 ubuntu /install.py[6858]: lambda *args, **kw: self.command(command, *args, **kw)) Feb 23 12:52:41 ubuntu /install.py[6858]: File "/usr/lib/python3/dist-packages/debconf.py", line 104, in command Feb 23 12:52:41 ubuntu /install.py[6858]: status = int(status) Feb 23 12:52:41 ubuntu /install.py[6858]: ValueError: invalid literal for int() with base 10: '' ProblemType: Crash DistroRelease: Ubuntu 18.04 Package: ubiquity 18.04.1 ProcVersionSignature: Ubuntu 4.13.0-32.35-generic 4.13.13 Uname: Linux 4.13.0-32-generic x86_64 ApportVersion: 2.20.8-0ubuntu10 Architecture: amd64 CasperVersion: 1.388 Date: Fri Feb 23 12:52:28 2018 ExecutablePath: /usr/lib/ubiquity/bin/ubiquity InstallCmdLine: file=/cdrom/preseed/ubuntu.seed boot=casper initrd=/casper/initrd.lz quiet splash --- keyboard-configuration/layoutcode=fr keyboard-configuration/variantcode=oss InterpreterPath: /usr/bin/python3.6 LiveMediaBuild: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180222) ProcCmdline: /usr/bin/python3 /usr/lib/ubiquity/bin/ubiquity -d ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=C.UTF-8 SHELL=/bin/bash Python3Details: /usr/bin/python3.6, Python 3.6.4+, python3-minimal, 3.6.4-1 PythonDetails: /usr/bin/python2.7, Python 2.7.14+, python-minimal, 2.7.14-4 Signal: 5 SourcePackage: ubiquity StacktraceTop: ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6 ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6 _XEventsQueued () from /usr/lib/x86_64-linux-gnu/libX11.so.6 XPending () from /usr/lib/x86_64-linux-gnu/libX11.so.6 ?? () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0 Title: ubiquity crashed with signal 5 in _XEventsQueued() UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/glib2.0/+bug/1751252/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp