Can't open queue created by zbalance_ipc using zcount

[ronygut]

I ran :
./zbalance_ipc -i zc:ens192 -c 2 -n 4 -m 1
9/Dec/2024 16:08:50 [zbalance_ipc.c:1568] Starting balancer with 4 consumer queues..
09/Dec/2024 16:08:50 [zbalance_ipc.c:1580] Run your application instances as follows:
09/Dec/2024 16:08:50 [zbalance_ipc.c:1586] pfcount -i zc:2@0
09/Dec/2024 16:08:50 [zbalance_ipc.c:1586] pfcount -i zc:2@1
09/Dec/2024 16:08:50 [zbalance_ipc.c:1586] pfcount -i zc:2@2
09/Dec/2024 16:08:50 [zbalance_ipc.c:1586] pfcount -i zc:2@3
09/Dec/2024 16:08:50 [zbalance_ipc.c:1630] Running balancer #0 on core -1...

Trying to open one of the queues by running zcount:
./zcount -i zc:2@0

pfring_zc_open_device error [Socket operation on non-socket] Please check that zc:2@0 is up and not already used

What could be the problem?
./zbalance_ipc reads the traffic, but I can't use one of the queues it opens.

[cardigliano]

This is working for me. Are you running zcount as root?
PF_RING version?

[ronygut]

yes, I ran both as root.
zcount - (C) 2014-24 ntop
Using PF_RING v.8.9.0.241112

zbalance_ipc - (C) 2014-24 ntop
Using PFRING_ZC v.8.9.0.241112

[cardigliano]

@ronygut I pushed a patch to be able to check the status of the queues. Please update, and make sure you also reload the (new) pf_ring kernel module. Then run the balancer with -p and check the output (or cat /proc/net/pf_ring/stats/*)