This was caused by a 'visible' callback being triggered before the IdoCalendarWidget had been created.
Fixed in 13.10 by decoupling IDO from indicator-datetime. ** Changed in: indicator-datetime Status: New => Fix Released ** Changed in: indicator-datetime (Ubuntu) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of DX Packages, which is subscribed to indicator-datetime in Ubuntu. Matching subscriptions: dx-packages https://bugs.launchpad.net/bugs/1188849 Title: unity-panel-service crashed with SIGSEGV in ido_calendar_menu_item_get_calendar() Status in The Date and Time Indicator: Fix Released Status in “indicator-datetime” package in Ubuntu: Fix Released Bug description: $ lsb_release -rd Description: Ubuntu Saucy Salamander (development branch) Release: 13.10 $ apt-cache policy indicator-datetime indicator-datetime: Installed: 12.10.3daily13.06.07-0ubuntu1 Candidate: 12.10.3daily13.06.07-0ubuntu1 Version table: *** 12.10.3daily13.06.07-0ubuntu1 0 500 http://archive.ubuntu.com/ubuntu/ saucy/main amd64 Packages 100 /var/lib/dpkg/status ProblemType: Crash DistroRelease: Ubuntu 13.10 Package: indicator-datetime 12.10.3daily13.06.07-0ubuntu1 ProcVersionSignature: Ubuntu 3.9.0-4.9-generic 3.9.4 Uname: Linux 3.9.0-4-generic x86_64 ApportVersion: 2.10.2-0ubuntu1 Architecture: amd64 Date: Sat Jun 8 05:47:56 2013 ExecutablePath: /usr/lib/unity/unity-panel-service InstallationDate: Installed on 2012-09-30 (250 days ago) InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120817.1) MarkForUpload: True ProcCmdline: /usr/lib/unity/unity-panel-service SegvAnalysis: Segfault happened at: 0x7fa953be99e6 <ido_calendar_menu_item_get_calendar+22>: cmp %rax,(%rdx) PC (0x7fa953be99e6) ok source "%rax" ok destination "(%rdx)" (0xaaaaaaaaaaaaaaaa) not located in a known VMA region (needed writable region)! SegvReason: writing unknown VMA Signal: 11 SourcePackage: indicator-datetime StacktraceTop: ido_calendar_menu_item_get_calendar () from /usr/lib/x86_64-linux-gnu/libido3-0.1.so.0 ?? () from /usr/lib/indicators3/7/libdatetime.so g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 Title: unity-panel-service crashed with SIGSEGV in ido_calendar_menu_item_get_calendar() UpgradeStatus: Upgraded to saucy on 2013-05-06 (32 days ago) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo To manage notifications about this bug go to: https://bugs.launchpad.net/indicator-datetime/+bug/1188849/+subscriptions -- Mailing list: https://launchpad.net/~dx-packages Post to : dx-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~dx-packages More help : https://help.launchpad.net/ListHelp