This bug is missing log files that will aid in diagnosing the problem. >From a terminal window please run:
apport-collect 1507338 and then change the status of the bug to 'Confirmed'. If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'. This change has been made by an automated script, maintained by the Ubuntu Kernel Team. ** Changed in: linux (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1507338 Title: System freeze with long strings of NUL characters (^@) in the logs Status in linux package in Ubuntu: Incomplete Bug description: Experienced a system freeze. It was not possible to use the keyboard or the touchpad, it was possible to move the cursor using an USB mouse attached, but clicking had no effect. The strange thing is that at the time of the freeze /var/log/syslog and /var/log/kern.log displayed long strings of NUL bytes (^@). ProblemType: Bug DistroRelease: Ubuntu 15.10 Package: unity-services 7.3.2+15.10.20151016-0ubuntu1 ProcVersionSignature: Ubuntu 4.2.0-16.19-generic 4.2.3 Uname: Linux 4.2.0-16-generic x86_64 ApportVersion: 2.19.1-0ubuntu2 Architecture: amd64 CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CurrentDesktop: Unity Date: Mon Oct 19 00:29:25 2015 ExecutablePath: /usr/lib/unity/unity-panel-service InstallationDate: Installed on 2015-08-22 (57 days ago) InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422) ProcEnviron: PATH=(custom, no user) SHELL=/bin/bash LANG=en_HK.UTF-8 LANGUAGE=en_HK:en XDG_RUNTIME_DIR=<set> SourcePackage: unity UpgradeStatus: Upgraded to wily on 2015-10-16 (2 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1507338/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp