Unity

compiz crashed with SIGSEGV in g_bit_lock()

Bug #1488051 reported by Doug McMahon on 2015-08-24

This bug report is a duplicate of: Bug #1495173: compiz crashed with SIGSEGV in g_bit_lock(). Edit Remove

This bug affects 1 person

Affects		Status	Importance	Assigned to	Milestone
	Unity	New	Undecided	Unassigned
	unity (Ubuntu)	New	Medium	Unassigned

Bug Description

Test Case:
Try to unlock an internal volume from unity launcher.
If fails to be removed, compiz crashes
(- manually blacklisting in dconf works

ProblemType: Crash
DistroRelease: Ubuntu 15.10
Package: unity 7.3.2+15.10.20150819-0ubuntu1
ProcVersionSignature: Ubuntu 4.1.0-3.3-generic 4.1.3
Uname: Linux 4.1.0-3-generic x86_64
ApportVersion: 2.18-0ubuntu7
Architecture: amd64
CurrentDesktop: Unity
Date: Mon Aug 24 06:55:06 2015
ExecutablePath: /usr/bin/compiz
InstallationDate: Installed on 2015-08-21 (3 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Alpha amd64 (20150820)
ProcCmdline: compiz
ProcEnviron:
PATH=(custom, no user)
SHELL=/bin/bash
LANG=en_US.UTF-8
LANGUAGE=en_US
XDG_RUNTIME_DIR=<set>
SegvAnalysis:
Segfault happened at: 0x7f9b386e8328 <g_bit_lock+72>: lock bts %r12d,(%rbx)
PC (0x7f9b386e8328) ok
source "%r12d" ok
destination "(%rbx)" (0x00000020) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
g_bit_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
g_variant_serialiser_needed_size () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
Title: compiz crashed with SIGSEGV in g_bit_lock()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

Tags:

Revision history for this message

Doug McMahon (mc3man) wrote on 2015-08-24:

Dependencies.txt Edit (31.8 KiB, text/plain; charset="utf-8")
Disassembly.txt Edit (873 bytes, text/plain; charset="utf-8")
JournalErrors.txt Edit (25.7 KiB, text/plain; charset="utf-8")
ProcMaps.txt Edit (111.0 KiB, text/plain; charset="utf-8")
ProcStatus.txt Edit (901 bytes, text/plain; charset="utf-8")
Registers.txt Edit (696 bytes, text/plain; charset="utf-8")
Stacktrace.txt Edit (6.5 KiB, text/plain; charset="utf-8")
ThreadStacktrace.txt Edit (20.7 KiB, text/plain; charset="utf-8")

Revision history for this message

Apport retracing service (apport) wrote on 2015-08-24:

StacktraceTop:
g_bit_lock (address=address@entry=0x20, lock_bit=lock_bit@entry=0) at /build/glib2.0-AGBGtY/glib2.0-2.45.4/./glib/gbitlock.c:214
g_variant_lock (value=0x0) at /build/glib2.0-AGBGtY/glib2.0-2.45.4/./glib/gvariant-core.c:221
g_variant_fill_gvs (serialised=0x7ffe6b25cd90, data=0x0) at /build/glib2.0-AGBGtY/glib2.0-2.45.4/./glib/gvariant-core.c:399
gvs_variable_sized_array_needed_size (n_children=4, children=0x1f006e0, gvs_filler=0x7f9b3874d770 <g_variant_fill_gvs>, type_info=<optimized out>) at /build/glib2.0-AGBGtY/glib2.0-2.45.4/./glib/gvariant-serialiser.c:709
g_variant_serialiser_needed_size (type_info=<optimized out>, gvs_filler=0x7f9b3874d770 <g_variant_fill_gvs>, children=0x1f006e0, n_children=4) at /build/glib2.0-AGBGtY/glib2.0-2.45.4/./glib/gvariant-serialiser.c:1434