This bug is missing log files that will aid in diagnosing the problem. >From a terminal window please run:
apport-collect 1387140 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/1387140 Title: Linux 3.18: VM fails to start because of unactive virtual network Status in “libvirt” package in Ubuntu: Confirmed Status in “linux” package in Ubuntu: Incomplete Bug description: Since Linux 3.18 my VM fails to start. Trying it in virt-manager causes error message: Error during domain starting: Requested operation is not valid: network 'default' is not active Traceback (most recent call last): File "/usr/share/virt-manager/virtManager/asyncjob.py", line 89, in cb_wrapper callback(asyncjob, *args, **kwargs) File "/usr/share/virt-manager/virtManager/asyncjob.py", line 125, in tmpcb callback(*args, **kwargs) File "/usr/share/virt-manager/virtManager/domain.py", line 1360, in startup self._backend.create() File "/usr/lib/python2.7/dist-packages/libvirt.py", line 999, in create if ret == -1: raise libvirtError ('virDomainCreate() failed', dom=self) libvirtError: Requested operation is not valid: network 'default' is not active Trying to start Virtual Network in connection parameters causes another error: Помилка під час спроби запуску мережі «default»: internal error: Failed to apply firewall rules /sbin/iptables --table filter --insert FORWARD --in-interface virbr0 --jump REJECT: iptables: No chain/target/match by that name. Traceback (most recent call last): File "/usr/share/virt-manager/virtManager/asyncjob.py", line 89, in cb_wrapper callback(asyncjob, *args, **kwargs) File "/usr/share/virt-manager/virtManager/asyncjob.py", line 125, in tmpcb callback(*args, **kwargs) File "/usr/share/virt-manager/virtManager/network.py", line 104, in start self._backend.create() File "/usr/lib/python2.7/dist-packages/libvirt.py", line 2820, in create if ret == -1: raise libvirtError ('virNetworkCreate() failed', net=self) libvirtError: internal error: Failed to apply firewall rules /sbin/iptables --table filter --insert FORWARD --in-interface virbr0 --jump REJECT: iptables: No chain/target/match by that name. In linux 3.17 all is working good. Kubuntu 14.10 x86_64 Libvirt0: 1.2.9-0~14.10~ppa0 Virt-manager: 1:1.1.0-0~14.10~ppa0 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/1387140/+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