Richard Stabler, thank you for taking the time to report this bug and helping to make Ubuntu better. Please execute the following command only once, as it will automatically gather debugging information, in a terminal: apport-collect 1579119
** Package changed: libreoffice (Ubuntu) => linux (Ubuntu) ** Changed in: linux (Ubuntu) Importance: Undecided => Low ** Changed in: linux (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to libreoffice in Ubuntu. https://bugs.launchpad.net/bugs/1579119 Title: libreoffice-calc crashs when using pop-up menu (like sort) and forced logout Status in linux package in Ubuntu: Incomplete Bug description: Libreoffice calc starts fine from dash or terminal However if you go to sort data, the pop up menu is very corrupted and after a few seconds system crashes and returns to log in screen. Logging in is like from boot with no open files/programmes saved. This is reproducible 100% of the time. Last 30 lines from kern.log below May 6 16:20:56 IPMB0332 kernel: [ 2401.852228] [<ffffffff8102d66c>] ? __switch_to+0x1dc/0x5a0 May 6 16:20:56 IPMB0332 kernel: [ 2401.852239] [<ffffffffc0230c9e>] intel_mmio_flip_work_func+0x38e/0x3d0 [i915] May 6 16:20:56 IPMB0332 kernel: [ 2401.852241] [<ffffffff81099ff2>] process_one_work+0x162/0x480 May 6 16:20:56 IPMB0332 kernel: [ 2401.852242] [<ffffffff8109a35b>] worker_thread+0x4b/0x4c0 May 6 16:20:56 IPMB0332 kernel: [ 2401.852243] [<ffffffff8109a310>] ? process_one_work+0x480/0x480 May 6 16:20:56 IPMB0332 kernel: [ 2401.852245] [<ffffffff8109a310>] ? process_one_work+0x480/0x480 May 6 16:20:56 IPMB0332 kernel: [ 2401.852246] [<ffffffff810a0528>] kthread+0xd8/0xf0 May 6 16:20:56 IPMB0332 kernel: [ 2401.852247] [<ffffffff810a0450>] ? kthread_create_on_node+0x1e0/0x1e0 May 6 16:20:56 IPMB0332 kernel: [ 2401.852260] [<ffffffff8182488f>] ret_from_fork+0x3f/0x70 May 6 16:20:56 IPMB0332 kernel: [ 2401.852262] [<ffffffff810a0450>] ? kthread_create_on_node+0x1e0/0x1e0 May 6 16:20:56 IPMB0332 kernel: [ 2401.852263] ---[ end trace 2397aaae3146aa25 ]--- May 6 16:20:56 IPMB0332 kernel: [ 2401.854153] drm/i915: Resetting chip after gpu hang May 6 16:21:04 IPMB0332 kernel: [ 2409.509221] audit: type=1400 audit(1462548064.336:37): apparmor="DENIED" operation="open" profile="/usr/lib/telepathy/mission-control-5" name="/usr/local/lib/libz.so.1.2.8" pid=13194 comm="mission-control" requested_mask="r" denied_mask="r" fsuid=1000 ouid=0 May 6 16:21:04 IPMB0332 gnome-session-binary[13029]: Entering running state May 6 16:21:24 IPMB0332 kernel: [ 2429.739349] CIFS VFS: bogus file nlink value 0 May 6 16:21:24 IPMB0332 kernel: [ 2429.739952] CIFS VFS: bogus file nlink value 0 May 6 16:29:44 IPMB0332 kernel: [ 2929.268261] CIFS VFS: bogus file nlink value 0 May 6 16:29:44 IPMB0332 kernel: [ 2929.269343] CIFS VFS: bogus file nlink value 0 May 6 16:29:45 IPMB0332 kernel: [ 2930.754945] CIFS VFS: bogus file nlink value 0 May 6 16:29:45 IPMB0332 kernel: [ 2931.088350] CIFS VFS: bogus file nlink value 0 May 6 16:29:45 IPMB0332 kernel: [ 2931.089494] CIFS VFS: bogus file nlink value 0 May 6 16:29:45 IPMB0332 kernel: [ 2931.098667] CIFS VFS: bogus file nlink value 0 May 6 16:29:45 IPMB0332 kernel: [ 2931.099800] CIFS VFS: bogus file nlink value 0 May 6 16:29:45 IPMB0332 kernel: [ 2931.100674] CIFS VFS: bogus file nlink value 0 May 6 16:29:45 IPMB0332 kernel: [ 2931.102791] CIFS VFS: bogus file nlink value 0 May 6 16:29:45 IPMB0332 kernel: [ 2931.103340] CIFS VFS: bogus file nlink value 0 May 6 16:29:51 IPMB0332 kernel: [ 2936.972757] cifs_vfs_err: 2 callbacks suppressed May 6 16:29:51 IPMB0332 kernel: [ 2936.972760] CIFS VFS: bogus file nlink value 0 May 6 16:29:52 IPMB0332 kernel: [ 2937.318489] CIFS VFS: bogus file nlink value 0 May 6 16:29:52 IPMB0332 kernel: [ 2937.319715] CIFS VFS: bogus file nlink value 0 ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: libreoffice-calc 1:5.1.2-0ubuntu1 ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6 Uname: Linux 4.4.0-21-generic x86_64 ApportVersion: 2.20.1-0ubuntu2 Architecture: amd64 CurrentDesktop: Unity Date: Fri May 6 16:31:42 2016 InstallationDate: Installed on 2013-07-01 (1040 days ago) InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424) SourcePackage: libreoffice UpgradeStatus: Upgraded to xenial on 2016-05-05 (1 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1579119/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp