wingpanel crashed with SIGSEGV in g_type_check_instance_is_fundamentally_a()

[Yegor Gavrilov]

wingpanel crashed with SIGSEGV in g_type_check_instance_is_fundamentally_a()

ProblemType: Crash
DistroRelease: elementary 0.4
Package: wingpanel 2.0.1~r153-0+pkg29~daily~ubuntu0.4.1 [origin: LP-PPA-elementary-os-daily]
ProcVersionSignature: Ubuntu 4.4.0-38.57-generic 4.4.19
Uname: Linux 4.4.0-38-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
CrashDB: wingpanel
CurrentDesktop: Pantheon
Date: Sat Sep 24 12:14:08 2016
ExecutablePath: /usr/bin/wingpanel
GSettings: org.pantheon.desktop.wingpanel use-transparency true
GsettingsChanges:

InstallationDate: Installed on 2016-06-16 (99 days ago)
InstallationMedia: Ubuntu-MATE 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
ProcCmdline: wingpanel
SegvAnalysis:
 Segfault happened at: 0x7f90c356f7e5 <g_type_check_instance_is_fundamentally_a+5>: mov (%rdi),%rax
 PC (0x7f90c356f7e5) ok
 source "(%rdi)" (0x020b5dc9) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: wingpanel
StacktraceTop:
 g_type_check_instance_is_fundamentally_a () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 g_object_ref () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgee-0.8.so.2
 ?? () from /usr/lib/x86_64-linux-gnu/libgee-0.8.so.2
 ?? () from /usr/lib/x86_64-linux-gnu/libgee-0.8.so.2
Title: wingpanel crashed with SIGSEGV in g_type_check_instance_is_fundamentally_a()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm audio cdrom dialout dip fax floppy libvirtd lpadmin netdev plugdev sambashare scanner sudo tape vboxusers video

[Cody Garver (codygarver)]

StacktraceTop:
 g_type_check_instance_is_fundamentally_a (type_instance=type_instance@entry=0x20b5dc9, fundamental_type=fundamental_type@entry=80) at /build/glib2.0-7IO_Yw/glib2.0-2.48.1/./gobject/gtype.c:4031
 g_object_ref (_object=0x20b5dc9) at /build/glib2.0-7IO_Yw/glib2.0-2.48.1/./gobject/gobject.c:3049
 _g_object_ref0 (self=<optimized out>) at hashmap.c:1916
 gee_hash_map_entry_entry_for (k_type=64, k_dup_func=0x7f90c32924e0 <g_strdup>, k_destroy_func=0x7f90c3279820 <g_free>, v_type=38506080, v_dup_func=0x406080 <g_object_ref@plt>, v_destroy_func=0x406280 <g_object_unref@plt>, node=0x4be6510) at hashmap.c:2120
 gee_hash_map_entry_iterator_real_foreach (base=0x5119a70, f=0x7f90c3022b00 <___lambda6__gee_forall_func>, f_target=0x4a80e40) at hashmap.c:4370