Weekly status #135

Weekly status for the week of the 10th February to the 16th of February.


Last week LXD 3.21 was released. In addition to the highlights in the release notes, the following changes were also added:

A redesign of the firewall interface as well as migrating the xtables firewall driver to the new interface was completed. This paves the way for us to add a new nftables firewall driver shortly.

Several bugs were fixed related to file transfers; symlinks are now followed, and an issue that could cause files to be owned by the unshifted UID if the file was pushed during container start up. Also related to UID shifting, a bug was fixed that updates the ACL entries rather than adding new ones to avoid filling up the ACL list.

A bug in lxc exec that caused the lxc process to hang if the controlling terminal was closed when the command being run was ignoring SIGHUP signals sent when the controlling terminal was closed (such as bash when it is running another command). We now detect that there is no controlling terminal and send a SIGTERM instead of the SIGHUP.

A bug giving a misleading error message when attempting to delete a storage pool that was being used by instances in the non-default project has been fixed and an improvement to clustering port validation was added.

On the LXC front, we now drop groups before switching to the user namepsace root, and a small memory leak in locking was fixed.

Contribute to LXD

Ever wanted to contribute to LXD but not sure where to start?
We’ve recently gone through some effort to properly tag issues suitable for new contributors on Github: https://github.com/lxc/lxd/labels/Easy

You can also find a slightly longer, more detailed list here: Contributing to LXD

Ongoing projects

The list below is feature or refactoring work which will span several weeks/months and can’t be tied directly to a single Github issue or pull request.

  • Virtual machine support
  • Distrobuilder virtual machine support
  • Storage database cleanup/rework
  • Various kernel work
  • Stable release work for LXC, LXCFS and LXD

Upstream changes

The items listed below are highlights of the work which happened upstream over the past week and which will be included in the next release.




  • Nothing to report this week


  • Nothing to report this week

Distribution work

This section is used to track the work done in downstream Linux distributions to ship the latest LXC, LXD and LXCFS as well as work to get various software to work properly inside containers.


  • Nothing to report this week


  • Updated for LXD 3.21
  • Cherry-picked stable bugfixes
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