gnome-screensaver crashed with SIGSEGV in XGetScreenSaver()

[corrado venturini]

Firefox opened but doing nothing
corrado@corrado-aa-0701:~/Documents$ ./inxi -Fxx
System: Host: corrado-aa-0701 Kernel: 4.10.0-26-generic x86_64 (64 bit gcc: 6.3.0)
           Desktop: Gnome 3.24.2 (Gtk 3.22.15-0ubuntu2) dm: lightdm
           Distro: Ubuntu Artful Aardvark (development branch)
Machine: Device: desktop Mobo: Gigabyte model: H87M-D3H v: x.x UEFI: American Megatrends v: F3 date: 04/24/2013
CPU: Dual core Intel Core i3-4130 (-HT-MCP-) cache: 3072 KB
           flags: (lm nx sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx) bmips: 13567
           clock speeds: min/max: 800/3400 MHz 1: 978 MHz 2: 888 MHz 3: 1062 MHz 4: 1395 MHz
Graphics: Card: Intel 4th Generation Core Processor Family Integrated Graphics Controller
           bus-ID: 00:02.0 chip-ID: 8086:041e
           Display Server: x11 (X.Org 1.19.3) drivers: modesetting (unloaded: fbdev,vesa)
           Resolution: 1680x1050@59.88hz
           OpenGL: renderer: Mesa DRI Intel Haswell version: 4.5 Mesa 17.1.2 (compat-v: 3.0) Direct Render: Yes
Audio: Card-1 Intel 8 Series/C220 Series High Definition Audio Controller
           driver: snd_hda_intel bus-ID: 00:1b.0 chip-ID: 8086:8c20
           Card-2 Intel Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller
           driver: snd_hda_intel bus-ID: 00:03.0 chip-ID: 8086:0c0c
           Sound: Advanced Linux Sound Architecture v: k4.10.0-26-generic
Network: Card: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
           driver: r8169 v: 2.3LK-NAPI port: e000 bus-ID: 02:00.0 chip-ID: 10ec:8168
           IF: enp2s0 state: up speed: 100 Mbps duplex: full mac: 94:de:80:7e:90:a7
Drives: HDD Total Size: 1008.0GB (1.6% used)
           ID-1: /dev/sda model: ST1000DM003 size: 1000.2GB serial: Z1D6YBFR
           ID-2: USB /dev/sdf model: DataTraveler_2.0 size: 7.8GB serial: C86000BDBE7AEF31EA249E58-0:0
Partition: ID-1: / size: 32G used: 7.3G (25%) fs: ext4 dev: /dev/sda6
           ID-2: swap-1 size: 8.59GB used: 0.00GB (0%) fs: swap dev: /dev/sda2
RAID: System: supported: N/A
           No RAID devices: /proc/mdstat, md_mod kernel module present
           Unused Devices: none
Sensors: System Temperatures: cpu: 29.8C mobo: 27.8C
           Fan Speeds (in rpm): cpu: N/A
Info: Processes: 217 Uptime: 1:02 Memory: 984.2/7861.1MB Init: systemd v: 233 runlevel: 5 Gcc sys: N/A
           Client: Shell (bash 4.4.121 running in gnome-terminal-) inxi: 2.3.23
corrado@corrado-aa-0701:~/Documents$

ProblemType: Crash
DistroRelease: Ubuntu 17.10
Package: gnome-screensaver 3.6.1-7ubuntu5
ProcVersionSignature: Ubuntu 4.10.0-26.30-generic 4.10.17
Uname: Linux 4.10.0-26-generic x86_64
ApportVersion: 2.20.5-0ubuntu5
Architecture: amd64
CurrentDesktop: GNOME
Date: Sun Jul 2 17:32:06 2017
Disassembly: => 0x200: Cannot access memory at address 0x200
ExecutablePath: /usr/bin/gnome-screensaver
GnomeSessionIdleInhibited: No
GnomeSessionInhibitors: None
GsettingsGnomeSession:
 org.gnome.desktop.session session-name 'ubuntu'
 org.gnome.desktop.session idle-delay uint32 300
InstallationDate: Installed on 2017-07-01 (1 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Alpha amd64 (20170701)
ProcCmdline: /usr/bin/gnome-screensaver --no-daemon
SegvAnalysis:
 Segfault happened at: 0x200: Cannot access memory at address 0x200
 PC (0x00000200) not located in a known VMA region (needed executable region)!
SegvReason: executing NULL VMA
Signal: 11
SourcePackage: gnome-screensaver
StacktraceTop:
 ?? ()
 XGetScreenSaver () from /usr/lib/x86_64-linux-gnu/libX11.so.6
 ?? ()
 ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
Title: gnome-screensaver crashed with SIGSEGV in XGetScreenSaver()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 ?? ()
 XGetScreenSaver (dpy=0x55a6ecad4100, timeout=timeout@entry=0x7fff4a0062d8, interval=interval@entry=0x7fff4a0062dc, prefer_blanking=prefer_blanking@entry=0x7fff4a0062e0, allow_exp=allow_exp@entry=0x7fff4a0062e4) at ../../src/GetSSaver.c:44
 disable_builtin_screensaver (unblank_screen=0, watcher=<error reading variable: value has been optimized out>) at gs-watcher-x11.c:539
 watchdog_timer (watcher=<error reading variable: value has been optimized out>) at gs-watcher-x11.c:609
 g_timeout_dispatch (source=0x55a6ecc10bf0, callback=<optimized out>, user_data=<optimized out>) at ../../../../glib/gmain.c:4629

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Sebastien Bacher (seb128)]

gnome-screensaver shouldn't be started under wayland sessions since it's not going to work there

[corrado venturini (corradoventu)]

Old problem about Ubuntu 17.10. Changed status to invalid.