This bug is missing log files that will aid in diagnosing the problem. >From a terminal window please run:
apport-collect 1353947 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/1353947 Title: Hypervisor with QEMU-2.0/libvirtd 1.2.2 stack when launching VM with CirrOS or Ubuntu 12.04 Status in QEMU: New Status in “linux” package in Ubuntu: Incomplete Bug description: The issue observed when running an hypervisor with QEMU 2.0/libvirtd 1.2.2 The VM network interface is attached to a PCI virtual function (SR-IOV). When we ran VM with guest OS CirrOS or Ubuntu 12.04 we observed an hipervisor hang shortly after the VM is loaded We observed the same issue with Mellanox NIC and with Intel NIC We’ve tried few combinations of {GuestOS}X{Hypervisor} and we got the following findings: When a hypervisor is running QEMU 1.5/libvirtd 1.1.1 - no issue observed When a hypervisor is running QEMU 2.0/libvirtd 1.2.2 - CirrOS and Ubuntu 12.04 guest OSes caused hypervisor hang When a hypervisor is running QEMU 2.0/libvirtd 1.2.2 - CentOS 6.4 and Ubuntu 13.10 - no issue observed The problematic guest OSes are with kernel versions ~3.2.y To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1353947/+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