[SOLVED] ipcc_send_rec errors after fresh install

[nanoy]

Hi all.

After a fresh install of proxmox (on top of debian buster, using proxmox-ve package) we are experiencing errors with terminal commands. The web interface is up and running and we can create, launch, backup, restore VMs etc...

The qm list commands gives the following output :

ipcc_send_rec[1] failed: No such file or directory
ipcc_send_rec[2] failed: No such file or directory
ipcc_send_rec[3] failed: No such file or directory

generating the following error messages in pve-cluster logs :

mars 11 18:29:24 cocobanger pmxcfs[6855]: [ipcs] crit: connection from bad user 0! - rejected
mars 11 18:29:24 cocobanger pmxcfs[6855]: [libqb] error: Error in connection setup (/dev/shm/qb-6855-8115-23-V7AcGu/qb): Unknown error -1 (-1)

Most of the commands give similar errors (ipcc_send_rec failed). The pvecm status command gives another error :

ipcc_send_rec[1] failed: No such file or directory
ipcc_send_rec[2] failed: No such file or directory
ipcc_send_rec[3] failed: No such file or directory
ipcc_send_rec[1] failed: No such file or directory
ipcc_send_rec[2] failed: No such file or directory
ipcc_send_rec[3] failed: No such file or directory
Can't use an undefined value as a HASH reference at /usr/share/perl5/PVE/CLI/pvecm.pm line 462, <DATA> line 755.

Here is the output of pveversion -v :

root@cocobanger ~ # pveversion -v
proxmox-ve: 6.1-2 (running kernel: 5.3.18-2-pve)
pve-manager: 6.1-7 (running version: 6.1-7/13e58d5e)
pve-kernel-helper: 6.1-6
pve-kernel-5.3: 6.1-5
pve-kernel-5.3.18-2-pve: 5.3.18-2
ceph-fuse: 12.2.11+dfsg1-2.1+b1
corosync: 3.0.3-pve1
criu: 3.11-3
glusterfs-client: 5.5-3
ifupdown: 0.8.35+pve1
ksmtuned: 4.20150325+b1
libjs-extjs: 6.0.1-10
libknet1: 1.15-pve1
libpve-access-control: 6.0-6
libpve-apiclient-perl: 3.0-3
libpve-common-perl: 6.0-13
libpve-guest-common-perl: 3.0-3
libpve-http-server-perl: 3.0-4
libpve-storage-perl: 6.1-5
libqb0: 1.0.5-1
libspice-server1: 0.14.2-4~pve6+1
lvm2: 2.03.02-pve4
lxc-pve: 3.2.1-1
lxcfs: 3.0.3-pve60
novnc-pve: 1.1.0-1
proxmox-mini-journalreader: 1.1-1
proxmox-widget-toolkit: 2.1-3
pve-cluster: 6.1-4
pve-container: 3.0-21
pve-docs: 6.1-6
pve-edk2-firmware: 2.20200229-1
pve-firewall: 4.0-10
pve-firmware: 3.0-6
pve-ha-manager: 3.0-8
pve-i18n: 2.0-4
pve-qemu-kvm: 4.1.1-3
pve-xtermjs: 4.3.0-1
qemu-server: 6.1-6
smartmontools: 7.1-pve2
spiceterm: 3.1-1
vncterm: 1.6-1
zfsutils-linux: 0.8.3-pve1

I think it is some king of permission error, as the ipcc errors disappear when launched by www-data :

root@cocobanger ~ # qm list
ipcc_send_rec[1] failed: No such file or directory
ipcc_send_rec[2] failed: No such file or directory
ipcc_send_rec[3] failed: No such file or directory
root@cocobanger ~ # sudo -u www-data qm list
please run as root
root@cocobanger ~ # sudo -u nanoy qm list
ipcc_send_rec[1] failed: No such file or directory
ipcc_send_rec[2] failed: No such file or directory
ipcc_send_rec[3] failed: No such file or directory
please run as root

We tried to reinstall proxmox completely without any success.

 

[nanoy]

Ok. So it's magically started working this morning. It seems we resolved the issue by setting the primary group of root to be root with the command :

usermod -g root root

The primary group of root was ssh before that fore some reason (root was also in the group root).

I will mark this issue as resolved.

 

[jonnymcc]

This also happened to me when I had SSH'd in as a normal user then sudo'd to root
Fixed when I logged in as root directly