[Bug 1696415] Re: NetworkManager does not update IPv4 address lifetime even though DHCP lease was successfully renewed

This bug was fixed in the package network-manager - 1.2.6-0ubuntu0.16.04.2 --- network-manager (1.2.6-0ubuntu0.16.04.2) xenial; urgency=medium * Fix nm-dhcp-helper DBus Event/Notify race condition (LP: #1696415) -- Ray Link Thu, 19 Oct 2017 13:53:52

[Bug 1696415] Re: NetworkManager does not update IPv4 address lifetime even though DHCP lease was successfully renewed

Also note that the previous (current) version of network-manager (1.2.6-0ubuntu0.16.04.1) is also failing s390x autopkgtest. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1696415 Title:

[Bug 1696415] Re: NetworkManager does not update IPv4 address lifetime even though DHCP lease was successfully renewed

The autopkgtest failure on s390x is in a test that checks rfkill integration. s390 kernels do not have CONFIG_RFKILL set. Behavior change might have something to do with the recent change to s390x autopkgtest from LXC containers to VMs?

[Bug 1696415] Re: NetworkManager does not update IPv4 address lifetime even though DHCP lease was successfully renewed

There seems to be an autopkgtest failure on s390x which requires investigation. http://autopkgtest.ubuntu.com/packages/n/network-manager/xenial/s390x -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1696415] Re: NetworkManager does not update IPv4 address lifetime even though DHCP lease was successfully renewed

Version 1.2.6-0ubuntu0.16.04.2 has been deployed here to several machines that were experiencing the bug multiple times per day. All DHCP renewal requests since deployment have resulted in renewal notifications being successfully delivered to NetworkManager. ** Tags removed:

[Bug 1696415] Re: NetworkManager does not update IPv4 address lifetime even though DHCP lease was successfully renewed

Sorry for the delay - I was away for a week. I have deployed the packages from -proposed and will confirm after keeping an eye on DHCP lease renewals for a while. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1696415] Re: NetworkManager does not update IPv4 address lifetime even though DHCP lease was successfully renewed

Hello Sjors, or anyone else affected, Accepted network-manager into xenial-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/network- manager/1.2.6-0ubuntu0.16.04.2 in a few hours, and then in the -proposed repository. Please help us by testing this

[Bug 1696415] Re: NetworkManager does not update IPv4 address lifetime even though DHCP lease was successfully renewed

Sjors: I'm interested to know how it goes for you with this update (either from the included debdiff, or from the packages when they hit -proposed.) We were seeing the exact same symptoms you were, and deep-dove into your backported fix from the GNOME bug and it all seems like it should fix the

[Bug 1696415] Re: NetworkManager does not update IPv4 address lifetime even though DHCP lease was successfully renewed

Hi Ray/Julian, > * NOTE: The final comment on the upstream GNOME bug claims that the fix > is incomplete. However, it is possible that the running NetworkManager was > not restarted (see Regression Potential notes above), which is why > nm-dhcp-helper is falling back to Event. This is not the

[Bug 1696415] Re: NetworkManager does not update IPv4 address lifetime even though DHCP lease was successfully renewed

** Description changed: - I've found an issue on some of our Xenial office machines, causing - NetworkManager to drop its IP address lease in some cases when it - shouldn't. I'm not sure if the actual bug is in NetworkManager or - perhaps dbus or dhclient, but I'll do my best to help to figure

[Bug 1696415] Re: NetworkManager does not update IPv4 address lifetime even though DHCP lease was successfully renewed

Fix uploaded. ** Changed in: network-manager (Ubuntu Xenial) Status: Triaged => In Progress ** Description changed: I've found an issue on some of our Xenial office machines, causing NetworkManager to drop its IP address lease in some cases when it shouldn't. I'm not sure if the

[Bug 1696415] Re: NetworkManager does not update IPv4 address lifetime even though DHCP lease was successfully renewed

** Description changed: I've found an issue on some of our Xenial office machines, causing NetworkManager to drop its IP address lease in some cases when it shouldn't. I'm not sure if the actual bug is in NetworkManager or perhaps dbus or dhclient, but I'll do my best to help to figure

[Bug 1696415] Re: NetworkManager does not update IPv4 address lifetime even though DHCP lease was successfully renewed

** Changed in: network-manager (Ubuntu) Status: Confirmed => Fix Released ** Also affects: network-manager (Ubuntu Xenial) Importance: Undecided Status: New ** Changed in: network-manager (Ubuntu Xenial) Status: New => Triaged ** Changed in: network-manager (Ubuntu

[Bug 1696415] Re: NetworkManager does not update IPv4 address lifetime even though DHCP lease was successfully renewed

Correction/Addendum to the SRU justification above: Fixed in current Ubuntu. Bionic uses NM 1.8.x. This bug was fixed in 1.4. [Impact] * This LP bug's original submitter backported the upstream 1.4 fix to 1.2, not Upstream. [Regression Potential] * The patch changes both nm-dhcp-helper and

[Bug 1696415] Re: NetworkManager does not update IPv4 address lifetime even though DHCP lease was successfully renewed

[Impact] * nm-dhcp-helper sometimes fails to notify NetworkManager of a DHCP lease renewal due to a DBus race condition. * Upstream NetworkManager 1.4 fixes the race condition by changing nm-dhcp-helper's DBus notification from signal "Event" to method "Notify". * Upstream

[Bug 1696415] Re: NetworkManager does not update IPv4 address lifetime even though DHCP lease was successfully renewed

Upstream GNOME bug fixed. I've applied the fix to Xenial's NM and tested. SRU incoming. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1696415 Title: NetworkManager does not update IPv4 address

[Bug 1696415] Re: NetworkManager does not update IPv4 address lifetime even though DHCP lease was successfully renewed

Status changed to 'Confirmed' because the bug affects multiple users. ** Changed in: network-manager (Ubuntu) Status: New => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1696415

[Bug 1696415] Re: NetworkManager does not update IPv4 address lifetime even though DHCP lease was successfully renewed

** Changed in: network-manager Status: Unknown => Confirmed ** Changed in: network-manager Importance: Unknown => Medium -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1696415 Title:

[Bug 1696415] Re: NetworkManager does not update IPv4 address lifetime even though DHCP lease was successfully renewed

Hi Sebastien, thanks for your comment! I've reported the bug upstream as GNOME #784636, see https://bugzilla.gnome.org/show_bug.cgi?id=784636. I already added a bugwatch. ** Bug watch added: GNOME Bug Tracker #784636 https://bugzilla.gnome.org/show_bug.cgi?id=784636 ** Also affects:

[Bug 1696415] Re: NetworkManager does not update IPv4 address lifetime even though DHCP lease was successfully renewed

Thank you for taking the time to report this bug and helping to make Ubuntu better. The issue you are reporting is an upstream one and it would be nice if somebody having it could send the bug to the developers of the software by following the instructions at

[Bug 1696415] Re: NetworkManager does not update IPv4 address lifetime even though DHCP lease was successfully renewed

I've closed down on the root cause being the /usr/lib/NetworkManager/nm- dhcp-helper tool. Occasionally, this binary runs, but fails to correctly send the update to NetworkManager. No errors occur when this happens; NetworkManager in debug mode just says "accepted connection on private socket"

[Bug 1696415] Re: NetworkManager does not update IPv4 address lifetime even though DHCP lease was successfully renewed

** Summary changed: - NetworkManager seems to drop IPv4 DHCP lease even though it was successfully renewed + NetworkManager does not update IPv4 address lifetime even though DHCP lease was successfully renewed -- You received this bug notification because you are a member of Ubuntu Bugs,