I can confirm that the 4.4.0-128-generic kernel does *not* have the problem, while the 4.4.0-130-generic kernel *does*.
Op wo 4 jul. 2018 om 17:21 schreef Daniel Manrique < daniel.manri...@canonical.com>: > Hello, > > Thank you for taking the time to report this bug and helping to make > Ubuntu better. > > > As diagnostic procedures, I can suggest: > > You could try rebooting, hitting the key to get the grub menu (Shift, > see https://askubuntu.com/questions/16042/how-to-get-to-the-grub-menu- > at-boot-time > <https://askubuntu.com/questions/16042/how-to-get-to-the-grub-menu-at-boot-time>) > and choosing the previous kernel, to see if that fixes the > issue you're seeing. If so, it might well be related to the kernel > upgrade. > > Then, /var/log/apt/history.log will tell you exactly what (and when) was > upgraded. > > That said, The problem as you reported is not related to the Canonical > SSO provider or service. I'll move it to the "Linux" package, since per > your description it seems to correlate with a kernel upgrade. Note that > you will be required to provide more debugging information as per the > kernel debugging procedures. > > https://wiki.ubuntu.com/Kernel/Debugging/Symptom > > > ** Project changed: canonical-identity-provider => linux (Ubuntu) > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1780103 > > Title: > Network namespaces support for non-IP suddenly missing > > Status in linux package in Ubuntu: > New > > Bug description: > I run 16.04, and I keep daily track of all dist-upgrades. Yesterday (3 > july 2018) there was an upgrade, and it must have been a kernel > upgrade, because my machine had rebooted (which I make it do > automatically if needed). > > From today, the system tests on my project have stopped working (C > development). These system tests do the following: using the 'ip' > command, they set up several network namespaces, in which I run > several executables concurrently, that exchange network messages with > each other. The namespaces that use IP have kept on working, while the > ones that don't (I'm implementing an ethernet network packet structure > of my own) have stopped working. I've done the same tests on my > laptop, which is also a 16.04, on which I haven't done the upgrade > (and I'm very hesitant to do so now, because this is my bread and > butter), and there they work still. > > To manage notifications about this bug go to: > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1780103/+subscriptions > -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1780103 Title: Network namespaces support for non-IP suddenly missing To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1780103/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs