mate-panel crashed with SIGSEGV in gtk_rc_styles_hash()

[Eric Legendre]

Mate-panel disappeared after installing Wine & some windows softwares (Adobe Illustrator CS)

ProblemType: Crash
DistroRelease: Ubuntu 16.04
Package: mate-panel 1.12.2-1
ProcVersionSignature: Ubuntu 4.4.0-8.23-generic 4.4.2
Uname: Linux 4.4.0-8-generic x86_64
ApportVersion: 2.20-0ubuntu3
Architecture: amd64
CurrentDesktop: MATE
Date: Sun Feb 28 20:46:04 2016
ExecutablePath: /usr/bin/mate-panel
InstallationDate: Installed on 2016-02-27 (1 days ago)
InstallationMedia: Ubuntu-MATE 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160224)
ProcCmdline: mate-panel
SegvAnalysis:
 Segfault happened at: 0x7f8bd9774575: add (%rdi),%edx
 PC (0x7f8bd9774575) ok
 source "(%rdi)" (0x90000001f) not located in a known VMA region (needed readable region)!
 destination "%edx" ok
SegvReason: reading unknown VMA
Signal: 11
SourcePackage: mate-panel
StacktraceTop:
 ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
 g_hash_table_lookup () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
 g_object_unref () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 gtk_widget_modify_style () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
Title: mate-panel crashed with SIGSEGV in g_hash_table_lookup()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 gtk_rc_styles_hash (rc_styles=0x90000001f) at /build/gtk+2.0-tESQz7/gtk+2.0-2.24.29/gtk/gtkrc.c:2336
 g_hash_table_lookup () from /tmp/apport_sandbox_iwPcWh/lib/x86_64-linux-gnu/libglib-2.0.so.0
 gtk_rc_style_finalize (object=0x17a81a0) at /build/gtk+2.0-tESQz7/gtk+2.0-2.24.29/gtk/gtkrc.c:1205
 g_object_unref () from /tmp/apport_sandbox_iwPcWh/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 IA__gtk_widget_modify_style (widget=0x176f0a0, style=0x17c2e40) at /build/gtk+2.0-tESQz7/gtk+2.0-2.24.29/gtk/gtkwidget.c:6662

[Launchpad Janitor (janitor)]

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

[Martin Wimpress  (flexiondotorg)]

Ubuntu MATE 16.04 is EOL