unity-panel-service crashed with SIGSEGV in g_datalist_id_get_data()

[ubby]

Binary package hint: unity

I get this bug when using Evolution Calender.
Ubuntu 11.04 (64 bit) daily build from today.

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: unity 3.2.14-0ubuntu1
ProcVersionSignature: Ubuntu 2.6.37-12.26-generic 2.6.37
Uname: Linux 2.6.37-12-generic x86_64
Architecture: amd64
DRM.card0.DIN.1:
 status: disconnected
 enabled: disabled
 dpms: On
 modes:
 edid-base64:
Date: Mon Jan 24 18:36:35 2011
DistUpgraded: Fresh install
DistroCodename: natty
DistroVariant: ubuntu
ExecutablePath: /usr/lib/unity/unity-panel-service
GdmLog1: Not present
GdmLog2: Not present
GraphicsCard: Subsystem: ATI Technologies Inc Device [1002:2542]
LiveMediaBuild: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20110124.2)
LiveMediaBuild_: Ubuntu 11.04 "Natty Narwhal" - Alpha amd64 (20110124.2)
MachineType: Gigabyte Technology Co., Ltd. P35-DQ6
ProcCmdline: /usr/lib/unity/unity-panel-service
ProcEnviron:
 SHELL=/bin/bash
 LC_MESSAGES=en_AG.utf8
 LANGUAGE=en_US.UTF-8:en
 LANG=en_US.UTF-8
ProcKernelCmdLine: file=/cdrom/preseed/hostname.seed boot=casper initrd=/casper/initrd.lz quiet splash -- maybe-ubiquity
ProcVersionSignature_: Ubuntu 2.6.37-12.26-generic 2.6.37
SegvAnalysis:
 Segfault happened at: 0x7f3c55538250 <g_datalist_id_get_data+208>: cmp %ebp,0x8(%rax)
 PC (0x7f3c55538250) ok
 source "%ebp" ok
 destination "0x8(%rax)" (0x64894ce8246c8950) not located in a known VMA region (needed writable region)!
SegvReason: writing unknown VMA
Signal: 11
SourcePackage: unity
StacktraceTop:
 g_datalist_id_get_data () from /lib/libglib-2.0.so.0
 g_object_freeze_notify () from /usr/lib/libgobject-2.0.so.0
 gtk_label_set_text_with_mnemonic () from /usr/lib/libgtk-x11-2.0.so.0
 g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
 ?? () from /usr/lib/libgobject-2.0.so.0
Title: unity-panel-service crashed with SIGSEGV in g_datalist_id_get_data()
UnitySupportTest:

UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
dmi.bios.date: 05/11/2007
dmi.bios.vendor: Award Software International, Inc.
dmi.bios.version: F4
dmi.board.name: P35-DQ6
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF4:bd05/11/2007:svnGigabyteTechnologyCo.,Ltd.:pnP35-DQ6:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnP35-DQ6:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
dmi.product.name: P35-DQ6
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
version.libdrm2: libdrm2 2.4.22-2ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx 7.9+repack-1ubuntu6
version.xserver-xorg: xserver-xorg 1:7.5+6ubuntu8
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.13.2-1ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.13.901-2ubuntu2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20100805+b96170a-0ubuntu1

[Apport retracing service (apport)]

Stacktrace:
 #0 0x00007f3c55538250 in g_datalist_id_get_data (datalist=0x7f3c445a19b0,
     key_id=55) at /build/buildd/glib2.0-2.27.91/glib/gdataset.c:943
  list = (GData *) 0x64894ce8246c8948
  data = Unhandled dwarf expression opcode 0x9f
StacktraceTop: g_datalist_id_get_data (datalist=0x7f3c445a19b0,