Public bug reported: [Impact] Most attempts to use IPv6 on the ThunderX NIC will fail.
[Test Case] Attempt an IPv6 TCP connection: $ wget -6 'http://www.kernel.org/' The connection will time out. [Regression Risk] The fix is upstream, and is limited to the ThunderX nicvf driver. [Workaround] Disable TX checksum offload: $ ethtool -K eth0 tx off [More Details] The issue first appears in Linux 4.12. A fix from Cavium has been merged upstream: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/net/ethernet/cavium/thunder/nicvf_queues.c?id=fa6d7cb5d76cf0467c61420fc9238045aedfd379 ** Affects: linux (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1736593 Title: ThunderX: IPv6 TX failure unless checksum offload disabled To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1736593/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
