deja-dup-monitor crashed with SIGSEGV in g_variant_unref()

[Matthew Paul Thomas]

Apport says:

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: deja-dup 19.5-0ubuntu1
ProcVersionSignature: Ubuntu 3.0.0-8.11-generic 3.0.1
Uname: Linux 3.0.0-8-generic x86_64
NonfreeKernelModules: wl
Architecture: amd64
Date: Wed Aug 17 14:25:06 2011
ExecutablePath: /usr/lib/deja-dup/deja-dup/deja-dup-monitor
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha amd64+mac (20110705.1)
ProcCmdline: /usr/lib/deja-dup/deja-dup/deja-dup-monitor
ProcEnviron:
 LANGUAGE=en_GB:en
 PATH=(custom, no user)
 LANG=en_GB.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7fb888d834e9 <g_variant_unref+9>: lock xadd %eax,0x24(%rdi)
 PC (0x7fb888d834e9) ok
 source "%eax" ok
 destination "0x24(%rdi)" (0x00000024) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: deja-dup
StacktraceTop:
 g_variant_unref () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 g_settings_get_string () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
 ?? ()
 ?? ()
 ?? ()
Title: deja-dup-monitor crashed with SIGSEGV in g_variant_unref()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare

[Apport retracing service (apport)]

StacktraceTop:
 g_variant_unref (value=0x0) at /build/buildd/glib2.0-2.29.16/./glib/gvariant-core.c:617
 g_settings_get_string (settings=<optimized out>, key=<optimized out>) at /build/buildd/glib2.0-2.29.16/./gio/gsettings.c:1770
 deja_dup_update_last_run_timestamp (type=DEJA_DUP_TIMESTAMP_TYPE_NONE) at CommonUtils.c:243
 ?? ()
 ?? ()

[Michael Terry (mterry)]

Hrm. This stack trace is impossible. Memory must have gotten corrupted before it crashed...

[Michael Terry (mterry)]

Is this reproducable? I can't do much without being able to hit it myself.