[Bug 1325560] [NEW] kvm vm loses network connectivity under enough load

2014-06-02 Thread Izhar ul Hassan
Public bug reported: Networking breaks after awhile in kvm guests using virtio networking. We run data intensive jobs on our virtual cluster (OpenStack Grizzly Installed on Ubuntu 12.04 Server). The job runs fine on a single worker VM (no data transfer involved). As soon as I add more nodes

Re: [Bug 1325560] [NEW] kvm vm loses network connectivity under enough load

2014-06-02 Thread Serge Hallyn
Thanks for reporting this bug. When you say reboot the machine and it comes alive again, do you mean that a soft reboot from inside the vm guest (i.e. not restarting qemu at all) brings the guest's network back up? status: incomplete importance high ** Changed in: qemu-kvm (Ubuntu)