** Description changed: + [Impact] + Booting systems have a limited amount of entropy, especially in some of the cloud cases. We should avoid using it up unnecessarily. + + [Test cases] + + == netplan == + 1) Boot system with netplan config; using networkd renderer + 2) Validate that it starts and does not cause undue delay. + 2b) strace nplan at boottime (the netplan generator at /lib/systemd/system-generators/netplan) and validate it does not call get_random() / uuid_generate(). + 3) Validate that config with NetworkManager renderer generates UUIDs. + + [Regression potential] + Netplan depends on UUID generation to create correct networkManager configuration for VLANs. This is a specific use-case that is typically not hit, but any failure to generate valid NetworkManager configuration would be a regression from this SRU. + + --- + enabling networkd appears to eat up entropy as seen in openssh autopkgtest failing, when networkd is enabled by default. See http://autopkgtest.ubuntu.com/packages/openssh/artful/amd64 with triggers systemd/234-2ubuntu9
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to openssh in Ubuntu. https://bugs.launchpad.net/bugs/1712921 Title: enabling networkd appears to eat up entropy Status in nplan package in Ubuntu: In Progress Status in openssh package in Ubuntu: Fix Released Status in systemd package in Ubuntu: Triaged Status in nplan source package in Xenial: New Status in openssh source package in Xenial: New Status in systemd source package in Xenial: New Status in nplan source package in Zesty: New Status in openssh source package in Zesty: New Status in systemd source package in Zesty: New Status in nplan source package in Artful: In Progress Status in openssh source package in Artful: Fix Released Status in systemd source package in Artful: Triaged Status in nplan source package in Bionic: In Progress Status in openssh source package in Bionic: Fix Released Status in systemd source package in Bionic: Triaged Bug description: [Impact] Booting systems have a limited amount of entropy, especially in some of the cloud cases. We should avoid using it up unnecessarily. [Test cases] == netplan == 1) Boot system with netplan config; using networkd renderer 2) Validate that it starts and does not cause undue delay. 2b) strace nplan at boottime (the netplan generator at /lib/systemd/system-generators/netplan) and validate it does not call get_random() / uuid_generate(). 3) Validate that config with NetworkManager renderer generates UUIDs. [Regression potential] Netplan depends on UUID generation to create correct networkManager configuration for VLANs. This is a specific use-case that is typically not hit, but any failure to generate valid NetworkManager configuration would be a regression from this SRU. --- enabling networkd appears to eat up entropy as seen in openssh autopkgtest failing, when networkd is enabled by default. See http://autopkgtest.ubuntu.com/packages/openssh/artful/amd64 with triggers systemd/234-2ubuntu9 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nplan/+bug/1712921/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
