[Touch-packages] [Bug 1444402] Re: While sbuilding in LXC, systemd loops attempting to umount the underlay
** Tags added: systemd-boot ** Summary changed: - While sbuilding in LXC, systemd loops attempting to umount the underlay + LXC with r/w sys and udev keeps trying to unmount bind mounts -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to systemd in Ubuntu. https://bugs.launchpad.net/bugs/102 Title: LXC with r/w sys and udev keeps trying to unmount bind mounts Status in systemd: New Status in systemd package in Ubuntu: In Progress Status in systemd source package in Vivid: In Progress Bug description: I recently hit ENOSPC which turned out to be the result of various syslogs from the current and previous boots totalling up to 30G. They were filled with messages like Apr 15 11:22:35 vivid systemd[1]: Unit var-lib-schroot-union-underlay-vivid\x2damd64\x2d5d4f7453\x2d9a95\x2d4a6a\x2d9aee\x2d9394923bf734.mount is bound to inactive unit dev-disk-by\x2duuid-980689ca\x2de7d9\x2d4a99\x2d8230\x2d33b8b6e917cd.device. Stopping, too. Apr 15 11:22:35 vivid systemd[1]: Unmounting /var/lib/schroot/union/underlay/vivid-amd64-5d4f7453-9a95-4a6a-9aee-9394923bf734... Apr 15 11:22:35 vivid umount[31795]: umount: /var/lib/schroot/union/underlay/vivid-amd64-5d4f7453-9a95-4a6a-9aee-9394923bf734: target is busy Apr 15 11:22:35 vivid umount[31795]: (In some cases useful info about processes that Apr 15 11:22:35 vivid umount[31795]: use the device is found by lsof(8) or fuser(1).) Apr 15 11:22:35 vivid systemd[1]: var-lib-schroot-union-underlay-vivid\x2damd64\x2d5d4f7453\x2d9a95\x2d4a6a\x2d9aee\x2d9394923bf734.mount mount process exited, code=exited status=32 Apr 15 11:22:35 vivid systemd[1]: Failed unmounting /var/lib/schroot/union/underlay/vivid-amd64-5d4f7453-9a95-4a6a-9aee-9394923bf734. Apr 15 11:22:35 vivid systemd[1]: Unit var-lib-schroot-union-underlay-vivid\x2damd64\x2d5d4f7453\x2d9a95\x2d4a6a\x2d9aee\x2d9394923bf734.mount is bound to inactive unit dev-disk-by\x2duuid-980689ca\x2de7d9\x2d4a99\x2d8230\x2d33b8b6e917cd.device. Stopping, too. Apr 15 11:22:35 vivid systemd[1]: Unmounting /var/lib/schroot/union/underlay/vivid-amd64-5d4f7453-9a95-4a6a-9aee-9394923bf734... Apr 15 11:22:35 vivid systemd[1]: Unmounted /var/lib/schroot/union/underlay/vivid-amd64-5d4f7453-9a95-4a6a-9aee-9394923bf734. Apr 15 11:22:35 vivid systemd[1]: Unit var-lib-schroot-union-underlay-vivid\x2damd64\x2d5d4f7453\x2d9a95\x2d4a6a\x2d9aee\x2d9394923bf734.mount entered failed state. looping constantly for the duration of any builds in sbuild. Why is systemd trying to do this? laney@vivid apt-cache policy systemd systemd: Installed: 219-7ubuntu1 Candidate: 219-7ubuntu1 Version table: *** 219-7ubuntu1 0 500 http://sherwood/ubuntu/ vivid/main amd64 Packages 100 /var/lib/dpkg/status To manage notifications about this bug go to: https://bugs.launchpad.net/systemd/+bug/102/+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
[Touch-packages] [Bug 1444402] Re: While sbuilding in LXC, systemd loops attempting to umount the underlay
First patch was nack'ed; second proposal: http://lists.freedesktop.org/archives/systemd-devel/2015-May/031893.html Attaching an updated /lib/systemd/systemd with those patches (amd64). ** Attachment added: /lib/systemd/systemd with proposed fix (v2) https://bugs.launchpad.net/systemd/+bug/102/+attachment/4398907/+files/systemd -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to systemd in Ubuntu. https://bugs.launchpad.net/bugs/102 Title: While sbuilding in LXC, systemd loops attempting to umount the underlay Status in systemd: New Status in systemd package in Ubuntu: In Progress Status in systemd source package in Vivid: In Progress Bug description: I recently hit ENOSPC which turned out to be the result of various syslogs from the current and previous boots totalling up to 30G. They were filled with messages like Apr 15 11:22:35 vivid systemd[1]: Unit var-lib-schroot-union-underlay-vivid\x2damd64\x2d5d4f7453\x2d9a95\x2d4a6a\x2d9aee\x2d9394923bf734.mount is bound to inactive unit dev-disk-by\x2duuid-980689ca\x2de7d9\x2d4a99\x2d8230\x2d33b8b6e917cd.device. Stopping, too. Apr 15 11:22:35 vivid systemd[1]: Unmounting /var/lib/schroot/union/underlay/vivid-amd64-5d4f7453-9a95-4a6a-9aee-9394923bf734... Apr 15 11:22:35 vivid umount[31795]: umount: /var/lib/schroot/union/underlay/vivid-amd64-5d4f7453-9a95-4a6a-9aee-9394923bf734: target is busy Apr 15 11:22:35 vivid umount[31795]: (In some cases useful info about processes that Apr 15 11:22:35 vivid umount[31795]: use the device is found by lsof(8) or fuser(1).) Apr 15 11:22:35 vivid systemd[1]: var-lib-schroot-union-underlay-vivid\x2damd64\x2d5d4f7453\x2d9a95\x2d4a6a\x2d9aee\x2d9394923bf734.mount mount process exited, code=exited status=32 Apr 15 11:22:35 vivid systemd[1]: Failed unmounting /var/lib/schroot/union/underlay/vivid-amd64-5d4f7453-9a95-4a6a-9aee-9394923bf734. Apr 15 11:22:35 vivid systemd[1]: Unit var-lib-schroot-union-underlay-vivid\x2damd64\x2d5d4f7453\x2d9a95\x2d4a6a\x2d9aee\x2d9394923bf734.mount is bound to inactive unit dev-disk-by\x2duuid-980689ca\x2de7d9\x2d4a99\x2d8230\x2d33b8b6e917cd.device. Stopping, too. Apr 15 11:22:35 vivid systemd[1]: Unmounting /var/lib/schroot/union/underlay/vivid-amd64-5d4f7453-9a95-4a6a-9aee-9394923bf734... Apr 15 11:22:35 vivid systemd[1]: Unmounted /var/lib/schroot/union/underlay/vivid-amd64-5d4f7453-9a95-4a6a-9aee-9394923bf734. Apr 15 11:22:35 vivid systemd[1]: Unit var-lib-schroot-union-underlay-vivid\x2damd64\x2d5d4f7453\x2d9a95\x2d4a6a\x2d9aee\x2d9394923bf734.mount entered failed state. looping constantly for the duration of any builds in sbuild. Why is systemd trying to do this? laney@vivid apt-cache policy systemd systemd: Installed: 219-7ubuntu1 Candidate: 219-7ubuntu1 Version table: *** 219-7ubuntu1 0 500 http://sherwood/ubuntu/ vivid/main amd64 Packages 100 /var/lib/dpkg/status To manage notifications about this bug go to: https://bugs.launchpad.net/systemd/+bug/102/+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
Re: [Touch-packages] [Bug 1444402] Re: While sbuilding in LXC, systemd loops attempting to umount the underlay
On Thu, May 14, 2015 at 10:55:50AM -, Martin Pitt wrote: I proposed a patch for this upstream: http://lists.freedesktop.org/archives/systemd-devel/2015-May/031718.html Iain, it would be great if you could confirm that it works for you as well? I attach a patched amd64 /lib/systemd/systemd binary, in case that's useful for you. Cheers Martin. I applied that patch to Ubuntu's systemd package and started the container with that. Happy to report that it seems to work fine for me. The mounts stay intact as they are supposed to. -- Iain Lane [ i...@orangesquash.org.uk ] Debian Developer [ la...@debian.org ] Ubuntu Developer [ la...@ubuntu.com ] -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to systemd in Ubuntu. https://bugs.launchpad.net/bugs/102 Title: While sbuilding in LXC, systemd loops attempting to umount the underlay Status in systemd: New Status in systemd package in Ubuntu: In Progress Status in systemd source package in Vivid: In Progress Bug description: I recently hit ENOSPC which turned out to be the result of various syslogs from the current and previous boots totalling up to 30G. They were filled with messages like Apr 15 11:22:35 vivid systemd[1]: Unit var-lib-schroot-union-underlay-vivid\x2damd64\x2d5d4f7453\x2d9a95\x2d4a6a\x2d9aee\x2d9394923bf734.mount is bound to inactive unit dev-disk-by\x2duuid-980689ca\x2de7d9\x2d4a99\x2d8230\x2d33b8b6e917cd.device. Stopping, too. Apr 15 11:22:35 vivid systemd[1]: Unmounting /var/lib/schroot/union/underlay/vivid-amd64-5d4f7453-9a95-4a6a-9aee-9394923bf734... Apr 15 11:22:35 vivid umount[31795]: umount: /var/lib/schroot/union/underlay/vivid-amd64-5d4f7453-9a95-4a6a-9aee-9394923bf734: target is busy Apr 15 11:22:35 vivid umount[31795]: (In some cases useful info about processes that Apr 15 11:22:35 vivid umount[31795]: use the device is found by lsof(8) or fuser(1).) Apr 15 11:22:35 vivid systemd[1]: var-lib-schroot-union-underlay-vivid\x2damd64\x2d5d4f7453\x2d9a95\x2d4a6a\x2d9aee\x2d9394923bf734.mount mount process exited, code=exited status=32 Apr 15 11:22:35 vivid systemd[1]: Failed unmounting /var/lib/schroot/union/underlay/vivid-amd64-5d4f7453-9a95-4a6a-9aee-9394923bf734. Apr 15 11:22:35 vivid systemd[1]: Unit var-lib-schroot-union-underlay-vivid\x2damd64\x2d5d4f7453\x2d9a95\x2d4a6a\x2d9aee\x2d9394923bf734.mount is bound to inactive unit dev-disk-by\x2duuid-980689ca\x2de7d9\x2d4a99\x2d8230\x2d33b8b6e917cd.device. Stopping, too. Apr 15 11:22:35 vivid systemd[1]: Unmounting /var/lib/schroot/union/underlay/vivid-amd64-5d4f7453-9a95-4a6a-9aee-9394923bf734... Apr 15 11:22:35 vivid systemd[1]: Unmounted /var/lib/schroot/union/underlay/vivid-amd64-5d4f7453-9a95-4a6a-9aee-9394923bf734. Apr 15 11:22:35 vivid systemd[1]: Unit var-lib-schroot-union-underlay-vivid\x2damd64\x2d5d4f7453\x2d9a95\x2d4a6a\x2d9aee\x2d9394923bf734.mount entered failed state. looping constantly for the duration of any builds in sbuild. Why is systemd trying to do this? laney@vivid apt-cache policy systemd systemd: Installed: 219-7ubuntu1 Candidate: 219-7ubuntu1 Version table: *** 219-7ubuntu1 0 500 http://sherwood/ubuntu/ vivid/main amd64 Packages 100 /var/lib/dpkg/status To manage notifications about this bug go to: https://bugs.launchpad.net/systemd/+bug/102/+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
[Touch-packages] [Bug 1444402] Re: While sbuilding in LXC, systemd loops attempting to umount the underlay
FTR: pull in http://cgit.freedesktop.org/systemd/systemd/commit/?id=7ba2711d (not sufficient, but should also help) -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to systemd in Ubuntu. https://bugs.launchpad.net/bugs/102 Title: While sbuilding in LXC, systemd loops attempting to umount the underlay Status in systemd: New Status in systemd package in Ubuntu: In Progress Status in systemd source package in Vivid: In Progress Bug description: I recently hit ENOSPC which turned out to be the result of various syslogs from the current and previous boots totalling up to 30G. They were filled with messages like Apr 15 11:22:35 vivid systemd[1]: Unit var-lib-schroot-union-underlay-vivid\x2damd64\x2d5d4f7453\x2d9a95\x2d4a6a\x2d9aee\x2d9394923bf734.mount is bound to inactive unit dev-disk-by\x2duuid-980689ca\x2de7d9\x2d4a99\x2d8230\x2d33b8b6e917cd.device. Stopping, too. Apr 15 11:22:35 vivid systemd[1]: Unmounting /var/lib/schroot/union/underlay/vivid-amd64-5d4f7453-9a95-4a6a-9aee-9394923bf734... Apr 15 11:22:35 vivid umount[31795]: umount: /var/lib/schroot/union/underlay/vivid-amd64-5d4f7453-9a95-4a6a-9aee-9394923bf734: target is busy Apr 15 11:22:35 vivid umount[31795]: (In some cases useful info about processes that Apr 15 11:22:35 vivid umount[31795]: use the device is found by lsof(8) or fuser(1).) Apr 15 11:22:35 vivid systemd[1]: var-lib-schroot-union-underlay-vivid\x2damd64\x2d5d4f7453\x2d9a95\x2d4a6a\x2d9aee\x2d9394923bf734.mount mount process exited, code=exited status=32 Apr 15 11:22:35 vivid systemd[1]: Failed unmounting /var/lib/schroot/union/underlay/vivid-amd64-5d4f7453-9a95-4a6a-9aee-9394923bf734. Apr 15 11:22:35 vivid systemd[1]: Unit var-lib-schroot-union-underlay-vivid\x2damd64\x2d5d4f7453\x2d9a95\x2d4a6a\x2d9aee\x2d9394923bf734.mount is bound to inactive unit dev-disk-by\x2duuid-980689ca\x2de7d9\x2d4a99\x2d8230\x2d33b8b6e917cd.device. Stopping, too. Apr 15 11:22:35 vivid systemd[1]: Unmounting /var/lib/schroot/union/underlay/vivid-amd64-5d4f7453-9a95-4a6a-9aee-9394923bf734... Apr 15 11:22:35 vivid systemd[1]: Unmounted /var/lib/schroot/union/underlay/vivid-amd64-5d4f7453-9a95-4a6a-9aee-9394923bf734. Apr 15 11:22:35 vivid systemd[1]: Unit var-lib-schroot-union-underlay-vivid\x2damd64\x2d5d4f7453\x2d9a95\x2d4a6a\x2d9aee\x2d9394923bf734.mount entered failed state. looping constantly for the duration of any builds in sbuild. Why is systemd trying to do this? laney@vivid apt-cache policy systemd systemd: Installed: 219-7ubuntu1 Candidate: 219-7ubuntu1 Version table: *** 219-7ubuntu1 0 500 http://sherwood/ubuntu/ vivid/main amd64 Packages 100 /var/lib/dpkg/status To manage notifications about this bug go to: https://bugs.launchpad.net/systemd/+bug/102/+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
[Touch-packages] [Bug 1444402] Re: While sbuilding in LXC, systemd loops attempting to umount the underlay
In my local container, http://cgit.freedesktop.org/systemd/systemd/commit/?id=f62009410 (which was the fix in the above PPA) helps already. However, it doesn't in the cloud instance: The main difference there is that in that cloud instance udev is running while in my local container it isn't (it's not usually meant to run in LXC). Adding these options in the container starts udev and reproduces this issue again: lxc.mount.auto = sys:rw cgroup lxc.mount.entry = /etc/schroot /srv/lxc/test/rootfs/etc/schroot none bind 0 0 -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to systemd in Ubuntu. https://bugs.launchpad.net/bugs/102 Title: While sbuilding in LXC, systemd loops attempting to umount the underlay Status in systemd: New Status in systemd package in Ubuntu: In Progress Status in systemd source package in Vivid: In Progress Bug description: I recently hit ENOSPC which turned out to be the result of various syslogs from the current and previous boots totalling up to 30G. They were filled with messages like Apr 15 11:22:35 vivid systemd[1]: Unit var-lib-schroot-union-underlay-vivid\x2damd64\x2d5d4f7453\x2d9a95\x2d4a6a\x2d9aee\x2d9394923bf734.mount is bound to inactive unit dev-disk-by\x2duuid-980689ca\x2de7d9\x2d4a99\x2d8230\x2d33b8b6e917cd.device. Stopping, too. Apr 15 11:22:35 vivid systemd[1]: Unmounting /var/lib/schroot/union/underlay/vivid-amd64-5d4f7453-9a95-4a6a-9aee-9394923bf734... Apr 15 11:22:35 vivid umount[31795]: umount: /var/lib/schroot/union/underlay/vivid-amd64-5d4f7453-9a95-4a6a-9aee-9394923bf734: target is busy Apr 15 11:22:35 vivid umount[31795]: (In some cases useful info about processes that Apr 15 11:22:35 vivid umount[31795]: use the device is found by lsof(8) or fuser(1).) Apr 15 11:22:35 vivid systemd[1]: var-lib-schroot-union-underlay-vivid\x2damd64\x2d5d4f7453\x2d9a95\x2d4a6a\x2d9aee\x2d9394923bf734.mount mount process exited, code=exited status=32 Apr 15 11:22:35 vivid systemd[1]: Failed unmounting /var/lib/schroot/union/underlay/vivid-amd64-5d4f7453-9a95-4a6a-9aee-9394923bf734. Apr 15 11:22:35 vivid systemd[1]: Unit var-lib-schroot-union-underlay-vivid\x2damd64\x2d5d4f7453\x2d9a95\x2d4a6a\x2d9aee\x2d9394923bf734.mount is bound to inactive unit dev-disk-by\x2duuid-980689ca\x2de7d9\x2d4a99\x2d8230\x2d33b8b6e917cd.device. Stopping, too. Apr 15 11:22:35 vivid systemd[1]: Unmounting /var/lib/schroot/union/underlay/vivid-amd64-5d4f7453-9a95-4a6a-9aee-9394923bf734... Apr 15 11:22:35 vivid systemd[1]: Unmounted /var/lib/schroot/union/underlay/vivid-amd64-5d4f7453-9a95-4a6a-9aee-9394923bf734. Apr 15 11:22:35 vivid systemd[1]: Unit var-lib-schroot-union-underlay-vivid\x2damd64\x2d5d4f7453\x2d9a95\x2d4a6a\x2d9aee\x2d9394923bf734.mount entered failed state. looping constantly for the duration of any builds in sbuild. Why is systemd trying to do this? laney@vivid apt-cache policy systemd systemd: Installed: 219-7ubuntu1 Candidate: 219-7ubuntu1 Version table: *** 219-7ubuntu1 0 500 http://sherwood/ubuntu/ vivid/main amd64 Packages 100 /var/lib/dpkg/status To manage notifications about this bug go to: https://bugs.launchpad.net/systemd/+bug/102/+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
[Touch-packages] [Bug 1444402] Re: While sbuilding in LXC, systemd loops attempting to umount the underlay
** Changed in: systemd (Ubuntu) Milestone: vivid-updates = None -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to systemd in Ubuntu. https://bugs.launchpad.net/bugs/102 Title: While sbuilding in LXC, systemd loops attempting to umount the underlay Status in systemd: New Status in systemd package in Ubuntu: In Progress Status in systemd source package in Vivid: In Progress Bug description: I recently hit ENOSPC which turned out to be the result of various syslogs from the current and previous boots totalling up to 30G. They were filled with messages like Apr 15 11:22:35 vivid systemd[1]: Unit var-lib-schroot-union-underlay-vivid\x2damd64\x2d5d4f7453\x2d9a95\x2d4a6a\x2d9aee\x2d9394923bf734.mount is bound to inactive unit dev-disk-by\x2duuid-980689ca\x2de7d9\x2d4a99\x2d8230\x2d33b8b6e917cd.device. Stopping, too. Apr 15 11:22:35 vivid systemd[1]: Unmounting /var/lib/schroot/union/underlay/vivid-amd64-5d4f7453-9a95-4a6a-9aee-9394923bf734... Apr 15 11:22:35 vivid umount[31795]: umount: /var/lib/schroot/union/underlay/vivid-amd64-5d4f7453-9a95-4a6a-9aee-9394923bf734: target is busy Apr 15 11:22:35 vivid umount[31795]: (In some cases useful info about processes that Apr 15 11:22:35 vivid umount[31795]: use the device is found by lsof(8) or fuser(1).) Apr 15 11:22:35 vivid systemd[1]: var-lib-schroot-union-underlay-vivid\x2damd64\x2d5d4f7453\x2d9a95\x2d4a6a\x2d9aee\x2d9394923bf734.mount mount process exited, code=exited status=32 Apr 15 11:22:35 vivid systemd[1]: Failed unmounting /var/lib/schroot/union/underlay/vivid-amd64-5d4f7453-9a95-4a6a-9aee-9394923bf734. Apr 15 11:22:35 vivid systemd[1]: Unit var-lib-schroot-union-underlay-vivid\x2damd64\x2d5d4f7453\x2d9a95\x2d4a6a\x2d9aee\x2d9394923bf734.mount is bound to inactive unit dev-disk-by\x2duuid-980689ca\x2de7d9\x2d4a99\x2d8230\x2d33b8b6e917cd.device. Stopping, too. Apr 15 11:22:35 vivid systemd[1]: Unmounting /var/lib/schroot/union/underlay/vivid-amd64-5d4f7453-9a95-4a6a-9aee-9394923bf734... Apr 15 11:22:35 vivid systemd[1]: Unmounted /var/lib/schroot/union/underlay/vivid-amd64-5d4f7453-9a95-4a6a-9aee-9394923bf734. Apr 15 11:22:35 vivid systemd[1]: Unit var-lib-schroot-union-underlay-vivid\x2damd64\x2d5d4f7453\x2d9a95\x2d4a6a\x2d9aee\x2d9394923bf734.mount entered failed state. looping constantly for the duration of any builds in sbuild. Why is systemd trying to do this? laney@vivid apt-cache policy systemd systemd: Installed: 219-7ubuntu1 Candidate: 219-7ubuntu1 Version table: *** 219-7ubuntu1 0 500 http://sherwood/ubuntu/ vivid/main amd64 Packages 100 /var/lib/dpkg/status To manage notifications about this bug go to: https://bugs.launchpad.net/systemd/+bug/102/+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
[Touch-packages] [Bug 1444402] Re: While sbuilding in LXC, systemd loops attempting to umount the underlay
Simpler reproducer: - Create a vivid container, and set lxc.aa_profile = unconfined - Start the container - Run mount -v -o bind /bin /mnt Mai 06 09:17:08 test systemd[1]: Unit mnt.mount is bound to inactive unit dev-sda3.device. Stopping, too. Mai 06 09:17:08 test systemd[1]: Unmounting /mnt... Mai 06 09:17:08 test systemd[1]: Unmounted /mnt. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to systemd in Ubuntu. https://bugs.launchpad.net/bugs/102 Title: While sbuilding in LXC, systemd loops attempting to umount the underlay Status in systemd: New Status in systemd package in Ubuntu: In Progress Status in systemd source package in Vivid: In Progress Bug description: I recently hit ENOSPC which turned out to be the result of various syslogs from the current and previous boots totalling up to 30G. They were filled with messages like Apr 15 11:22:35 vivid systemd[1]: Unit var-lib-schroot-union-underlay-vivid\x2damd64\x2d5d4f7453\x2d9a95\x2d4a6a\x2d9aee\x2d9394923bf734.mount is bound to inactive unit dev-disk-by\x2duuid-980689ca\x2de7d9\x2d4a99\x2d8230\x2d33b8b6e917cd.device. Stopping, too. Apr 15 11:22:35 vivid systemd[1]: Unmounting /var/lib/schroot/union/underlay/vivid-amd64-5d4f7453-9a95-4a6a-9aee-9394923bf734... Apr 15 11:22:35 vivid umount[31795]: umount: /var/lib/schroot/union/underlay/vivid-amd64-5d4f7453-9a95-4a6a-9aee-9394923bf734: target is busy Apr 15 11:22:35 vivid umount[31795]: (In some cases useful info about processes that Apr 15 11:22:35 vivid umount[31795]: use the device is found by lsof(8) or fuser(1).) Apr 15 11:22:35 vivid systemd[1]: var-lib-schroot-union-underlay-vivid\x2damd64\x2d5d4f7453\x2d9a95\x2d4a6a\x2d9aee\x2d9394923bf734.mount mount process exited, code=exited status=32 Apr 15 11:22:35 vivid systemd[1]: Failed unmounting /var/lib/schroot/union/underlay/vivid-amd64-5d4f7453-9a95-4a6a-9aee-9394923bf734. Apr 15 11:22:35 vivid systemd[1]: Unit var-lib-schroot-union-underlay-vivid\x2damd64\x2d5d4f7453\x2d9a95\x2d4a6a\x2d9aee\x2d9394923bf734.mount is bound to inactive unit dev-disk-by\x2duuid-980689ca\x2de7d9\x2d4a99\x2d8230\x2d33b8b6e917cd.device. Stopping, too. Apr 15 11:22:35 vivid systemd[1]: Unmounting /var/lib/schroot/union/underlay/vivid-amd64-5d4f7453-9a95-4a6a-9aee-9394923bf734... Apr 15 11:22:35 vivid systemd[1]: Unmounted /var/lib/schroot/union/underlay/vivid-amd64-5d4f7453-9a95-4a6a-9aee-9394923bf734. Apr 15 11:22:35 vivid systemd[1]: Unit var-lib-schroot-union-underlay-vivid\x2damd64\x2d5d4f7453\x2d9a95\x2d4a6a\x2d9aee\x2d9394923bf734.mount entered failed state. looping constantly for the duration of any builds in sbuild. Why is systemd trying to do this? laney@vivid apt-cache policy systemd systemd: Installed: 219-7ubuntu1 Candidate: 219-7ubuntu1 Version table: *** 219-7ubuntu1 0 500 http://sherwood/ubuntu/ vivid/main amd64 Packages 100 /var/lib/dpkg/status To manage notifications about this bug go to: https://bugs.launchpad.net/systemd/+bug/102/+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