[Bug 1307] mlx5_net: probe of PCI device 4790:00:02.0 aborted after encountering an error: Operation not permitted

[bugzilla at dpdk.org]

https://bugs.dpdk.org/show_bug.cgi?id=1307

            Bug ID: 1307
           Summary: mlx5_net: probe of PCI device 4790:00:02.0 aborted
                    after encountering an error: Operation not permitted
           Product: DPDK
           Version: 23.11
          Hardware: x86
                OS: Linux
            Status: UNCONFIRMED
          Severity: major
          Priority: Normal
         Component: testpmd
          Assignee: dev at dpdk.org
          Reporter: pdamouny at nvidia.com
  Target Milestone: ---

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

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