Mikhail, 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 1470703
** Package changed: linux-lts-utopic (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 Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1470703 Title: Watchdog detected hard LOCKUP Status in linux package in Ubuntu: Incomplete Bug description: I am using qemu, kvm, pci-stub and sometimes got this message in dmesg. The system looks like the work, no reboots and crashes. But how bad is it? ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.16.0-41-generic 3.16.0-41.57~14.04.1 ProcVersionSignature: Ubuntu 3.16.0-41.57~14.04.1-generic 3.16.7-ckt11 Uname: Linux 3.16.0-41-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.11 Architecture: amd64 Date: Thu Jul 2 06:37:12 2015 InstallationDate: Installed on 2015-05-08 (54 days ago) InstallationMedia: Ubuntu-Server 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1) SourcePackage: linux-lts-utopic UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1470703/+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