Unable to shutdown/stop lxc container

TwiX

TwiX

Renowned Member
Feb 3, 2015
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Hi,

proxmox-ve: 5.2-2 (running kernel: 4.15.18-7-pve)
pve-manager: 5.2-9 (running version: 5.2-9/4b30e8f9)
pve-kernel-4.15: 5.2-10
pve-kernel-4.15.18-7-pve: 4.15.18-27
pve-kernel-4.15.18-2-pve: 4.15.18-21
pve-kernel-4.13.13-2-pve: 4.13.13-33
pve-kernel-4.13.13-1-pve: 4.13.13-31
pve-kernel-4.13.4-1-pve: 4.13.4-26
ceph: 12.2.8-pve1
corosync: 2.4.2-pve5
criu: 2.11.1-1~bpo90
glusterfs-client: 3.8.8-1
ksm-control-daemon: 1.2-2
libjs-extjs: 6.0.1-2
libpve-access-control: 5.0-8
libpve-apiclient-perl: 2.0-5
libpve-common-perl: 5.0-40
libpve-guest-common-perl: 2.0-18
libpve-http-server-perl: 2.0-11
libpve-storage-perl: 5.0-30
libqb0: 1.0.1-1
lvm2: 2.02.168-pve6
lxc-pve: 3.0.2+pve1-2
lxcfs: 3.0.2-2
novnc-pve: 1.0.0-2
proxmox-widget-toolkit: 1.0-20
pve-cluster: 5.0-30
pve-container: 2.0-28
pve-docs: 5.2-8
pve-firewall: 3.0-14
pve-firmware: 2.0-5
pve-ha-manager: 2.0-5
pve-i18n: 1.0-6
pve-libspice-server1: 0.12.8-3
pve-qemu-kvm: 2.11.2-1
pve-xtermjs: 1.0-5
qemu-server: 5.0-36
smartmontools: 6.5+svn4324-1
spiceterm: 3.0-5
vncterm: 1.5-3
zfsutils-linux: 0.7.11-pve1~bpo1

I first tried to shutdown the container but it returned a timeout (60s). Then tried to stop but also failed.

Code: 
pct list
VMID       Status     Lock         Name
50011      running                 dc-btsip-01

So I decided to kill the related lxc process but wasn't been able to find it !

Code: 
ps aux | grep 50011
root       17754  0.0  0.0  48228  3640 ?        Ss   Jan30   2:31 [lxc monitor] /var/lib/lxc 50011
root     3913615  0.0  0.0  12788   932 pts/2    S+   18:51   0:00 grep 50011

The weird thing is that CT 50011 is still responding to ping but I'm not able to enter the console.

What could I do ?

Thanks in advanced !

Antoine
 
I also forgot to mention that the root storage (ceph) is available
 
Based on your listing: Yes, 17754 is the process you want to kill if the nice ways of shutting down the container have failed.
 
Is there a way to shutdown 50011 veth interfaces ?

Code: 
 ip a | grep 50011
36: veth50011i0@if35: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master vmbr0v50 state UP group default qlen 1000
38: veth50011i1@if37: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master vmbr0v193 state UP group default qlen 1000
 
Thanks,

I tried but

Code: 
ip link delete veth50011i0@if35
Error: argument "veth50011i0@if35" is wrong: "dev" not a valid ifname
 
Hi,

Reboot node was mandatory to fix the issue.

I deplore that lxc is so shitty.
Ok there is no overhead compared to kvm but there are lot of limitations (live migrate first of all, until recently nfs/cifs mounts...).

IMHO if you want containers you'd better use swarm/kubernetes. (inside a proxmox KVM machine indeed). Today KVM CPU performances is nearly bear metal...
 
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