> The machine continue to run and the docker is still able to create new > instances, > i.e. there is no complete lock out.
Great! > The machine continued to run further, and after an ~hour , 3 namespaces > leaked. > The machine now has load "3", which seems to be an artifact of this. Other > than that, > it seems to continue to run! Hmm, can you check 'top' or 'htop' or similar to see if the kworker thread(s) are actually using cpu time? They should be sleeping almost all the time, not spinning on anything. I'll work on getting that patch upstream (but likely not nearly as verbose, probably just a single WARNING for leaked namespace). After that, I'll keep working on adding dst leak debugging to actually try to find where your dst leak is coming from. -- 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/1711407 Title: unregister_netdevice: waiting for lo to become free Status in linux package in Ubuntu: In Progress Status in linux source package in Trusty: In Progress Status in linux source package in Xenial: In Progress Status in linux source package in Zesty: Won't Fix Status in linux source package in Artful: In Progress Status in linux source package in Bionic: In Progress Bug description: This is a "continuation" of bug 1403152, as that bug has been marked "fix released" and recent reports of failure may (or may not) be a new bug. Any further reports of the problem should please be reported here instead of that bug. -- [Impact] When shutting down and starting containers the container network namespace may experience a dst reference counting leak which results in this message repeated in the logs: unregister_netdevice: waiting for lo to become free. Usage count = 1 This can cause issues when trying to create net network namespace and thus block a user from creating new containers. [Test Case] See comment 16, reproducer provided at https://github.com/fho/docker- samba-loop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1711407/+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
