I think I was having this problem as well. I added the Kernal PPA (https://launchpad.net/~kernel-ppa/+archive/ppa) to get 2.26.39 installed and didn't seem to get the oops. I will do some further testing on both kernels when I get back home to confirm.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/784335 Title: Heavy network utilization with r8169 leads to kernel panic To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/784335/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs