[Bug 1756785] Re: lxcfs startup failues because fuse directory not empty

[Andreas Hasenack]

Thanks for filing this bug in Ubuntu.

I don't think it's safe for the service to just simply nuke the contents
of /var/lib/lxcfs prior to mounting/starting.

It does sound like a local configuration problem, or maybe a bug that
existed in 17.04 (which is what you first installed). It will be hard to
reproduce now if it depends on 17.04, as that release is end-of-life.

In your case, since the contents are cgroup and proc with the fuse
system NOT MOUNTED (please make sure), you can delete those and then
restart the service.

Something like this:
sudo systemctl stop lxcfs.service

# confirm with mount that it is unmounted
mount -t fuse.lxcfs

# delete or move away the contents of /var/lib/lxcfs, your choice

# start the service
sudo systemctl start lxcfs.service

# confirm it's mounted
mount -t fuse.lxcfs


If you come across a way to reproduce the problem from the beginning, like a fresh install, or an upgrade from a previous release of ubuntu, then please update this bug. In the meantime, I'll mark it as incomplete.

** Changed in: lxcfs (Ubuntu)
       Status: New => Incomplete

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Title:
  lxcfs startup failues because fuse directory not empty

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