[Bug 1487679] Re: CRITICAL BUG: Breaking ordering cycle by deleting job NetworkManager.service/start
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1487679 at bugs.launchpad.net
Mon Nov 6 21:03:52 UTC 2017
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On 2013-02-05T23:47:21+00:00 John wrote:
Description of problem:
With NFS mounts in an fstab it appears that NetworkManager and the autogenerated mount units get into a dependency loop which causes a number of important units to get discarded while trying to resolve the issue.
Version-Release number of selected component (if applicable):
Seen in FC16,17,18
How reproducible:
Every boot with NFS mounts in the fstab
Steps to Reproduce:
1. Try and boot a system with NFS mounts in the fstab.
2.
3.
Actual results:
Several units are deleted and never attempt to stop, several others fail because the root filesystem doesn't get remounted RW until other units time out.
Expected results:
System should come up, remount the root filesystem RW, mount NFS volumes in the fstab without dependency loops or units timing out.
Additional info:
Reply at:
https://bugs.launchpad.net/ubuntu/+source/nbd/+bug/1487679/comments/0
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On 2013-02-06T04:42:24+00:00 John wrote:
[ 6.943559] systemd[1]: Found ordering cycle on NetworkManager-wait-online.service/start
[ 6.943707] systemd[1]: Walked on cycle path to NetworkManager.service/start
[ 6.943810] systemd[1]: Walked on cycle path to dbus.socket/start
[ 6.943912] systemd[1]: Walked on cycle path to sysinit.target/start
[ 6.944039] systemd[1]: Walked on cycle path to local-fs.target/start
[ 6.944141] systemd[1]: Walked on cycle path to var-storage-fuse-mp3.mount/start
[ 6.944287] systemd[1]: Walked on cycle path to var-storage.mount/start
[ 6.944388] systemd[1]: Walked on cycle path to remote-fs-pre.target/start
[ 6.944490] systemd[1]: Walked on cycle path to network.target/start
[ 6.944588] systemd[1]: Walked on cycle path to NetworkManager-wait-online.service/start
[ 6.944735] systemd[1]: Breaking ordering cycle by deleting job NetworkManager.service/start
[ 6.944883] systemd[1]: Job NetworkManager.service/start deleted to break ordering cycle starting with NetworkManager-wait-online.service/start
[ 6.945103] systemd[1]: Deleting job NetworkManager-wait-online.service/start as dependency of job NetworkManager.service/verify-active
Reply at:
https://bugs.launchpad.net/ubuntu/+source/nbd/+bug/1487679/comments/1
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On 2013-08-04T20:44:30+00:00 Raman wrote:
Same problem here during reboot on Fedora 19:
Aug 4 16:18:43 edison systemd[1]: Found ordering cycle on local-fs.target/stop
Aug 4 16:18:43 edison systemd[1]: Walked on cycle path to nfs-darwin.mount/stop
Aug 4 16:18:43 edison systemd[1]: Walked on cycle path to network.target/stop
Aug 4 16:18:43 edison systemd[1]: Walked on cycle path to NetworkManager.service/stop
Aug 4 16:18:43 edison systemd[1]: Walked on cycle path to dbus.socket/stop
Aug 4 16:18:43 edison systemd[1]: Walked on cycle path to sysinit.target/stop
Aug 4 16:18:43 edison systemd[1]: Walked on cycle path to local-fs.target/stop
Aug 4 16:18:43 edison systemd[1]: Breaking ordering cycle by deleting job nfs-darwin.mount/stop
Aug 4 16:18:43 edison systemd[1]: Job nfs-darwin.mount/stop deleted to break ordering cycle starting with local-fs.target/stop
Aug 4 16:18:43 edison systemd[1]: Found ordering cycle on local-fs.target/stop
Aug 4 16:18:43 edison systemd[1]: Walked on cycle path to nfs-darwin-home.mount/stop
/etc/fstab contains:
darwin:/ /nfs/darwin nfs4 rw,soft,intr,noauto 0 0
Reply at:
https://bugs.launchpad.net/ubuntu/+source/nbd/+bug/1487679/comments/2
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On 2013-12-09T01:47:35+00:00 Zbigniew wrote:
This should be fixed by the latest f18 systemd update.
Reply at:
https://bugs.launchpad.net/ubuntu/+source/nbd/+bug/1487679/comments/3
** Changed in: systemd
Status: Unknown => Fix Released
** Changed in: systemd
Importance: Unknown => High
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https://bugs.launchpad.net/bugs/1487679
Title:
CRITICAL BUG: Breaking ordering cycle by deleting job
NetworkManager.service/start
Status in systemd:
Fix Released
Status in avahi package in Ubuntu:
Confirmed
Status in nbd package in Ubuntu:
Triaged
Status in network-manager package in Ubuntu:
Won't Fix
Status in nfs-utils package in Ubuntu:
Confirmed
Status in open-iscsi package in Ubuntu:
New
Status in rpcbind package in Ubuntu:
New
Status in systemd package in Ubuntu:
Confirmed
Status in util-linux package in Ubuntu:
Confirmed
Bug description:
$ lsb_release -rd
Description: Ubuntu 15.04
Release: 15.04
$ apt-cache policy nbd-client
nbd-client:
Installed: 1:3.8-4ubuntu0.1
Candidate: 1:3.8-4ubuntu0.1
Version table:
*** 1:3.8-4ubuntu0.1 0
500 http://ch.archive.ubuntu.com/ubuntu/ vivid-updates/main amd64 Packages
500 http://security.ubuntu.com/ubuntu/ vivid-security/main amd64 Packages
100 /var/lib/dpkg/status
1:3.8-4 0
500 http://ch.archive.ubuntu.com/ubuntu/ vivid/main amd64 Packages
I'm using the nbd-client to mount some raw disk images over the
network but starting the nbd-client automatically during bootup does
not happen due to the following:
Aug 22 08:54:20 fractal kernel: [ 11.875885] systemd[1]: Found dependency on nbd-client.service/start
Aug 22 08:54:20 fractal kernel: [ 11.875890] systemd[1]: Breaking ordering cycle by deleting job nbd-client.service/start
Aug 22 08:54:20 fractal kernel: [ 11.875891] systemd[1]: Job nbd-client.service/start deleted to break ordering cycle starting with basic.target/start
Meaning after boot, I have to manually run `sudo ndb-client start`
every time I want to access these images. Note that this is no
diskless system, the images I mount via NBD do not contain the local
system, they are totally unrelated.
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Bug with NFS-server and RPC-bind is indicated by messages:
$ journalctl | grep -i break
ноя 06 22:49:57 norbert-vaio systemd[1]: network.target: Breaking ordering cycle by deleting job NetworkManager.service/start
ноя 06 22:49:57 norbert-vaio systemd[1]: NetworkManager.service: Job NetworkManager.service/start deleted to break ordering cycle starting with network.target/start
ноя 06 22:49:57 norbert-vaio systemd[1]: nfs-server.service: Breaking ordering cycle by deleting job rpcbind.socket/start
ноя 06 22:49:57 norbert-vaio systemd[1]: rpcbind.socket: Job rpcbind.socket/start deleted to break ordering cycle starting with nfs-server.service/start
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