gnome-software crashed with SIGSEGV in g_mutex_lock → g_main_loop_quit → do_call → call_vanished_handler → call_vanished_handler → #5 → emit_signal_instance_in_idle_cb → g_main_dispatch

[nabin]

Just logged in and this bug comes out of nowhere. Moreover, when trying to launch gnome-software from terminal , It doesn't launch and shows a timeout error.

ProblemType: Crash
DistroRelease: Ubuntu 18.04
Package: gnome-software 3.28.0-0ubuntu7
Uname: Linux 4.15.12-041512-generic x86_64
ApportVersion: 2.20.8-0ubuntu10
Architecture: amd64
CurrentDesktop: GNOME
Date: Sat Mar 24 12:34:30 2018
ExecutablePath: /usr/bin/gnome-software
InstalledPlugins:
 gnome-software-plugin-flatpak 3.28.0-0ubuntu7
 gnome-software-plugin-limba 3.28.0-0ubuntu7
 gnome-software-plugin-snap 3.28.0-0ubuntu7
ProcCmdline: /usr/bin/gnome-software --gapplication-service
SegvAnalysis:
 Segfault happened at: 0x7f956ce4fcd5 <g_mutex_lock+5>: lock xadd %eax,(%rdi)
 PC (0x7f956ce4fcd5) ok
 source "%eax" ok
 destination "(%rdi)" (0x00000000) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: gnome-software
StacktraceTop:
 g_mutex_lock () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_main_loop_quit () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
 () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
 () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
 () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
Title: gnome-software crashed with SIGSEGV in g_mutex_lock()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip kvm libvirt lpadmin lxd plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 g_mutex_lock (mutex=0x0) at ../../../../glib/gthread-posix.c:1343
 g_main_loop_quit (loop=0x7f953c0cf190) at ../../../../glib/gmain.c:4124
 do_call (client=client@entry=0x7f953400d550, call_type=call_type@entry=CALL_TYPE_NAME_VANISHED) at ../../../../gio/gdbusnamewatching.c:219
 call_vanished_handler (client=client@entry=0x7f953400d550, ignore_cancelled=0) at ../../../../gio/gdbusnamewatching.c:245
 call_vanished_handler (ignore_cancelled=0, client=0x7f953400d550) at ../../../../gio/gdbusnamewatching.c:243

[Launchpad Janitor (janitor)]

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