** Description changed: IPv6 PMTU discovery fails when using source-specific routing on Ubuntu 18.04. I have attached a test case called pmtu-sads.sh which is based on tools/testing/selftests/net/pmtu.sh in the linux source. - I have verified that the test succeeds on: - Ubuntu 16.04 with 4.4.0.131.137 - - And it fails on: + I have verified that the test fails on: Ubuntu 18.04 with 4.15.0-30.32 Ubuntu 18.04 with 4.17.0-041700.201806041953 Ubuntu 18.04 with 4.18.3-041803.201808180530 + + The test succeeds on Ubuntu 16.04 with 4.4.0.131.137 which makes it a + regression. System information: Ubuntu 4.15.0-30.32-generic 4.15.18 Description: Ubuntu 18.04.1 LTS Release: 18.04 See below for a patch which is working for me. I'm currently using linux kernel 4.15.0-32.35 built from git://kernel.ubuntu.com/ubuntu/ubuntu- bionic.git with this patch.
-- 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/1788623 Title: regression: IPv6 PMTU discovery fails with source-specific routing Status in linux package in Ubuntu: Incomplete Bug description: IPv6 PMTU discovery fails when using source-specific routing on Ubuntu 18.04. I have attached a test case called pmtu-sads.sh which is based on tools/testing/selftests/net/pmtu.sh in the linux source. I have verified that the test fails on: Ubuntu 18.04 with 4.15.0-30.32 Ubuntu 18.04 with 4.17.0-041700.201806041953 Ubuntu 18.04 with 4.18.3-041803.201808180530 The test succeeds on Ubuntu 16.04 with 4.4.0.131.137 which makes it a regression. System information: Ubuntu 4.15.0-30.32-generic 4.15.18 Description: Ubuntu 18.04.1 LTS Release: 18.04 See below for a patch which is working for me. I'm currently using linux kernel 4.15.0-32.35 built from git://kernel.ubuntu.com/ubuntu /ubuntu-bionic.git with this patch. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1788623/+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
