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<body><table border="1" cellspacing="0" cellpadding="8" class="bz_new_table">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_UNCONFIRMED "
title="UNCONFIRMED - mlx5_net: probe of PCI device 4790:00:02.0 aborted after encountering an error: Operation not permitted"
href="https://bugs.dpdk.org/show_bug.cgi?id=1307">1307</a>
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<tr>
<th>Summary</th>
<td>mlx5_net: probe of PCI device 4790:00:02.0 aborted after encountering an error: Operation not permitted
</td>
</tr>
<tr>
<th>Product</th>
<td>DPDK
</td>
</tr>
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<th>Version</th>
<td>23.11
</td>
</tr>
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<th>Hardware</th>
<td>x86
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<th>Status</th>
<td>UNCONFIRMED
</td>
</tr>
<tr>
<th>Severity</th>
<td>major
</td>
</tr>
<tr>
<th>Priority</th>
<td>Normal
</td>
</tr>
<tr>
<th>Component</th>
<td>testpmd
</td>
</tr>
<tr>
<th>Assignee</th>
<td>dev@dpdk.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>pdamouny@nvidia.com
</td>
</tr>
<tr>
<th>Target Milestone</th>
<td>---
</td>
</tr></table>
<p>
<div class="bz_comment_block">
<pre class="bz_comment_text">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
</pre>
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