I believe this issue to be caused by the Cisco VPN kernel module, cisco_ipsec.
Sinc I disabled the Cisco client and switched to openconnect, I have not had a hang. -- system hang & kernel oops e1000e driver null pointer in transmit cleanup https://bugs.launchpad.net/bugs/563267 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
