Bug 1307 - mlx5_net: probe of PCI device 4790:00:02.0 aborted after encountering an error: Operation not permitted
Summary: mlx5_net: probe of PCI device 4790:00:02.0 aborted after encountering an erro...
Status: UNCONFIRMED
Alias: None
Product: DPDK
Classification: Unclassified
Component: testpmd (show other bugs)
Version: 23.11
Hardware: x86 Linux
: Normal major
Target Milestone: ---
Assignee: dev
URL:
Depends on:
Blocks:
 
Reported: 2023-11-02 14:07 CET by Pier Damouny
Modified: 2023-11-02 14:07 CET (History)
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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
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