Bug 1307

Summary: mlx5_net: probe of PCI device 4790:00:02.0 aborted after encountering an error: Operation not permitted
Product: DPDK Reporter: Pier Damouny (pdamouny)
Component: testpmdAssignee: dev
Status: UNCONFIRMED ---    
Severity: major    
Priority: Normal    
Version: 23.11   
Target Milestone: ---   
Hardware: x86   
OS: Linux   

Description Pier Damouny 2023-11-02 14:07:35 CET 
Hi,

when running testpmd

cmd >/dpdk/latest/build-meson/app/dpdk-testpmd -- --burst=64 --mbcache=512 -i --nb-cores=4 --txd=1024 --rxd=1024 --forward-mode=mac --eth-peer=0,00:15:5d:3a:05:02 --auto-start --port-topology=loop


im getting

mlx5_common: Failed to allocate DevX UAR (BF/NC)
mlx5_common: Failed to allocate UAR.
mlx5_net: Failed to prepare Tx DevX UAR.
mlx5_net: probe of PCI device 4790:00:02.0 aborted after encountering an error: Operation not permitted
mlx5_common: Failed to load driver mlx5_eth
EAL: Requested device 4790:00:02.0 cannot be used

the error is not enough to understand what causing the issue

checked on ubuntu 20 VM rmda-core 28
on ubuntu 22 working