gnome-shell crashed with signal 5 in pthread_mutex_consistent()

[corrado venturini]

corrado@corrado-p9-bb-1221:~$ inxi -Fx
System: Host: corrado-p9-bb-1221 Kernel: 4.15.0-9-generic x86_64 bits: 64 gcc: 7.3.0
           Desktop: Gnome 3.26.2 (Gtk 3.22.26-2ubuntu1) Distro: Ubuntu Bionic Beaver (development branch)
Machine: Device: desktop Mobo: ASRock model: H110M-G/M.2 serial: N/A UEFI: American Megatrends v: P1.10 date: 05/11/2017
CPU: Dual core Intel Core i3-7100 (-MT-MCP-) arch: Skylake rev.9 cache: 3072 KB
           flags: (lm nx sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx) bmips: 15648
           clock speeds: max: 3900 MHz 1: 800 MHz 2: 800 MHz 3: 800 MHz 4: 800 MHz
Graphics: Card: Intel HD Graphics 630 bus-ID: 00:02.0
           Display Server: x11 (X.Org 1.19.6 ) driver: i915 Resolution: 1920x1080@60.00hz
           OpenGL: renderer: Mesa DRI Intel HD Graphics 630 (Kaby Lake GT2)
           version: 4.5 Mesa 17.3.3 Direct Render: Yes
Audio: Card Intel Sunrise Point-H HD Audio driver: snd_hda_intel bus-ID: 00:1f.3
           Sound: Advanced Linux Sound Architecture v: k4.15.0-9-generic
Network: Card: Intel Ethernet Connection (2) I219-V driver: e1000e v: 3.2.6-k bus-ID: 00:1f.6
           IF: enp0s31f6 state: up speed: 100 Mbps duplex: full mac: 70:85:c2:44:7b:86
Drives: HDD Total Size: 1000.2GB (6.3% used)
           ID-1: /dev/sda model: TOSHIBA_DT01ACA1 size: 1000.2GB
Partition: ID-1: / size: 32G used: 6.2G (21%) fs: ext4 dev: /dev/sda9
           ID-2: swap-1 size: 8.59GB used: 0.00GB (0%) fs: swap dev: /dev/sda2
RAID: No RAID devices: /proc/mdstat, md_mod kernel module present
Sensors: System Temperatures: cpu: 37.5C mobo: N/A
           Fan Speeds (in rpm): cpu: N/A
Info: Processes: 243 Uptime: 6 min Memory: 1346.1/7680.8MB Init: systemd runlevel: 5 Gcc sys: N/A
           Client: Shell (bash 4.4.181) inxi: 2.3.56
corrado@corrado-p9-bb-1221:~$

ProblemType: Crash
DistroRelease: Ubuntu 18.04
Package: gnome-shell 3.26.2-0ubuntu2
ProcVersionSignature: Ubuntu 4.15.0-9.10-generic 4.15.2
Uname: Linux 4.13.0-32-generic x86_64
ApportVersion: 2.20.8-0ubuntu8
Architecture: amd64
CurrentDesktop: GNOME-Greeter:GNOME
Date: Sat Feb 10 15:20:54 2018
DisplayManager: gdm3
ExecutablePath: /usr/bin/gnome-shell
GsettingsChanges:

InstallationDate: Installed on 2017-12-23 (49 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20171221)
ProcCmdline: /usr/bin/gnome-shell
Signal: 5
SourcePackage: gnome-shell
Stacktrace:
 #0 pthread_mutex_consistent (mutex=0x2) at pthread_mutex_consistent.c:28
         mutex = 0x2
         __value = <optimized out>
 #1 0x0000000000000000 in ?? ()
 No symbol table info available.
StacktraceTop:
 pthread_mutex_consistent (mutex=0x2) at pthread_mutex_consistent.c:28
 ?? ()
Title: gnome-shell crashed with signal 5 in pthread_mutex_consistent()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

[Apport retracing service (apport)]

Stacktrace:
 #0 pthread_mutex_consistent (mutex=0x2) at pthread_mutex_consistent.c:28
         mutex = 0x2
         __value = <optimized out>
 #1 0x0000000000000000 in ?? ()
 No symbol table info available.
StacktraceSource:
 #0 pthread_mutex_consistent (mutex=0x2) at pthread_mutex_consistent.c:28
   [Error: pthread_mutex_consistent.c was not found in source tree]
 #1 0x0000000000000000 in ?? ()
StacktraceTop:
 pthread_mutex_consistent (mutex=0x2) at pthread_mutex_consistent.c:28
 ?? ()

[Apport retracing service (apport)]

Thank you for your report!

However, processing it in order to get sufficient information for the
developers failed (it does not generate a useful symbolic stack trace). This
might be caused by some outdated packages which were installed on your system
at the time of the report:

no debug symbol package found for gir1.2-atspi-2.0
no debug symbol package found for gir1.2-freedesktop
no debug symbol package found for perl
no debug symbol package found for gir1.2-gdkpixbuf-2.0
no debug symbol package found for base-files
no debug symbol package found for gir1.2-upowerglib-1.0
no debug symbol package found for gir1.2-ibus-1.0
no debug symbol package found for gir1.2-clutter-1.0
no debug symbol package found for gir1.2-packagekitglib-1.0
no debug symbol package found for gir1.2-vte-2.91
no debug symbol package found for gir1.2-networkmanager-1.0
no debug symbol package found for gir1.2-mutter-1
no debug symbol package found for gir1.2-gdesktopenums-3.0
outdated debug symbol package for gnupg: package version 2.2.4-1ubuntu1 dbgsym version 2.1.15-1ubuntu8
no debug symbol package found for gir1.2-coglpango-1.0
no debug symbol package found for gir1.2-soup-2.4
no debug symbol package found for gir1.2-nmgtk-1.0
no debug symbol package found for gir1.2-cogl-1.0
no debug symbol package found for gir1.2-json-1.0
no debug symbol package found for gir1.2-secret-1
no debug symbol package found for libtag1v5
no debug symbol package found for gir1.2-gnomebluetooth-1.0
no debug symbol package found for libmagic-mgc
no debug symbol package found for gir1.2-rsvg-2.0
no debug symbol package found for isc-dhcp-common
no debug symbol package found for dbus-user-session
no debug symbol package found for gir1.2-glib-2.0
no debug symbol package found for gir1.2-gtk-3.0
no debug symbol package found for gir1.2-gdm-1.0
no debug symbol package found for systemd-sysv
no debug symbol package found for libavahi-common-data
no debug symbol package found for gir1.2-accountsservice-1.0
no debug symbol package found for gir1.2-gnomedesktop-3.0
no debug symbol package found for gir1.2-caribou-1.0
no debug symbol package found for gir1.2-polkit-1.0
no debug symbol package found for gir1.2-pango-1.0
no debug symbol package found for gir1.2-gweather-3.0
no debug symbol package found for gir1.2-geoclue-2.0
no debug symbol package found for libperl5.26
no debug symbol package found for ubuntu-session
no debug symbol package found for gir1.2-atk-1.0
no debug symbol package found for gir1.2-gcr-3
no debug symbol package found for debianutils
no debug symbol package found for gir1.2-gck-1
no debug symbol package found for dnsmasq-base
no debug symbol package found for gir1.2-notify-0.7
no debug symbol package found for perl-base
no debug symbol package found for perl-base
no debug symbol package found for perl-base

Please upgrade your system to the latest package versions. If you still
encounter the crash, please file a new report.

Thank you for your understanding, and sorry for the inconvenience!