On Tue, Feb 20, 2018 at 08:43:41PM -0000, Martin Pitt wrote: > Public bug reported: > > As per documentation, the `-B best` option should automatically select > the best backingstore, falling back all the way to dir. > > But apparently it doesn't, at least not in artful's 2.1.0-0ubuntu1:
Hm, is it possible for you to try and reproduce with current master. Works fine for me: chb@conventiont|~ > sudo lxc-create -B best --name=autopkgtest-xenial -t ubuntu -- -r xenial lxc-create: autopkgtest-xenial: storage/btrfs.c: btrfs_create: 861 Inappropriate ioctl for device - Failed to create btrfs subvolume "/var/lib/lxc/autopkgtest-xenial/rootfs" lxc-create: autopkgtest-xenial: storage/zfs.c: zfs_create: 762 Failed to create zfs dataset "zfs:default/lxc/autopkgtest-xenial": The ZFS modules are not loaded. Try running '/sbin/modprobe zfs' as root to load them. lxc-create: autopkgtest-xenial: storage/lvm.c: do_lvm_create: 183 Failed to create logical volume "autopkgtest-xenial": Volume group "lvm_img" not found lxc-create: autopkgtest-xenial: storage/lvm.c: lvm_create: 655 Error creating new logical volume "lvm:/dev/lvm_img/autopkgtest-xenial" of size "1073741824 bytes" Checking cache download in /var/cache/lxc/xenial/rootfs-amd64 ... Installing packages in template: apt-transport-https,ssh,vim,language-pack-en Downloading ubuntu xenial minimal ... W: Target architecture is the same as host architecture; disabling QEMU support I: Running command: debootstrap --arch amd64 --verbose --components=main,universe --include=apt-transport-https,ssh,vim,language-pack-en xenial /var/cache/lxc/xenial/partial-amd64 http://archive.ubuntu.com/ubuntu I: Retrieving InRelease I: Checking Release signature I: Valid Release signature (key id 790BC7277767219C42C86F933B4FE6ACC0B21F32) I: Retrieving Packages I: Validating Packages I: Retrieving Packages -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to lxc in Ubuntu. https://bugs.launchpad.net/bugs/1750654 Title: "lxc-create -B best" fails on non-btrfs/zfs system Status in lxc package in Ubuntu: New Bug description: As per documentation, the `-B best` option should automatically select the best backingstore, falling back all the way to dir. But apparently it doesn't, at least not in artful's 2.1.0-0ubuntu1: $ sudo lxc-create -B best --name=autopkgtest-xenial -t ubuntu -- -r xenial lxc-create: autopkgtest-xenial: storage/btrfs.c: btrfs_create: 860 Inappropriate ioctl for device - Failed to create btrfs subvolume "/var/lib/lxc/autopkgtest-xenial/rootfs" lxc-create: autopkgtest-xenial: storage/zfs.c: zfs_create: 758 Failed to create zfs dataset "zfs:lxc/autopkgtest-xenial": lxc-create: autopkgtest-xenial: utils.c: run_command: 2326 failed to exec command lxc-create: autopkgtest-xenial: storage/zfs.c: zfs_mount: 256 No such file or directory - Failed to mount "lxc/autopkgtest-xenial" on "/usr/lib/x86_64-linux-gnu/lxc" lxc-create: autopkgtest-xenial: lxccontainer.c: create_run_template: 1294 Failed to mount rootfs lxc-create: autopkgtest-xenial: lxccontainer.c: create_run_template: 1473 container creation template for autopkgtest-xenial failed lxc-create: autopkgtest-xenial: storage/zfs.c: zfs_destroy: 613 Failed to detect zfs dataset "lxc/autopkgtest-xenial": lxc-create: autopkgtest-xenial: lxc-create: autopkgtest-xenial: lxccontainer.c: container_destroy: 2653 Error destroying rootfs for autopkgtest-xenial lxc-create: autopkgtest-xenial: tools/lxc_create.c: main: 326 Error creating container autopkgtest-xenial Moreover, it creates cruft which is hard to clean up again: $ sudo lxc-ls -f NAME STATE AUTOSTART GROUPS IPV4 IPV6 autopkgtest-xenial STOPPED 0 - - - $ sudo lxc-destroy -n autopkgtest-xenial lxc-destroy: autopkgtest-xenial: storage/zfs.c: zfs_destroy: 613 Failed to detect zfs dataset "lxc/autopkgtest-xenial": lxc-destroy: autopkgtest-xenial: utils.c: run_command: 2326 failed to exec command lxc-destroy: autopkgtest-xenial: lxccontainer.c: container_destroy: 2653 Error destroying rootfs for autopkgtest-xenial Destroying autopkgtest-xenial failed $ sudo ls -lR /var/lib/lxc/autopkgtest-xenial /var/lib/lxc/autopkgtest-xenial: total 8 -rw-r--r-- 1 root root 149 Feb 20 20:41 config drwxr-xr-x 2 root root 4096 Feb 20 20:41 rootfs /var/lib/lxc/autopkgtest-xenial/rootfs: total 0 This can only be cleaned up with `sudo rm -r`. autopkgtest-build-lxc uses this option to get performant containers out of the box. Arguably `-B best` is a sort of "unbreak my containers" option and should always implicitly be used, but is there something else that I should do here? ProblemType: Bug DistroRelease: Ubuntu 17.10 Package: lxc 2.1.0-0ubuntu1 ProcVersionSignature: Ubuntu 4.13.0-32.35-generic 4.13.13 Uname: Linux 4.13.0-32-generic x86_64 NonfreeKernelModules: zfs zunicode zavl zcommon znvpair ApportVersion: 2.20.7-0ubuntu3.7 Architecture: amd64 Date: Tue Feb 20 20:38:55 2018 JournalErrors: Error: command ['journalctl', '-b', '--priority=warning', '--lines=1000'] failed with exit code 1: Hint: You are currently not seeing messages from other users and the system. Users in the 'systemd-journal' group can see all messages. Pass -q to turn off this notice. No journal files were opened due to insufficient permissions. PackageArchitecture: all SourcePackage: lxc UpgradeStatus: No upgrade log present (probably fresh install) defaults.conf: lxc.net.0.type = veth lxc.net.0.link = lxcbr0 lxc.net.0.flags = up lxc.net.0.hwaddr = 00:16:3e:xx:xx:xx lxcsyslog: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1750654/+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
