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<base href="https://bugs.dpdk.org/">
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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 - Transmit errors with iavf VF using SR-IOV on VM"
href="https://bugs.dpdk.org/show_bug.cgi?id=1534">1534</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Transmit errors with iavf VF using SR-IOV on VM
</td>
</tr>
<tr>
<th>Product</th>
<td>DPDK
</td>
</tr>
<tr>
<th>Version</th>
<td>24.07
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</td>
</tr>
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<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>UNCONFIRMED
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>Normal
</td>
</tr>
<tr>
<th>Component</th>
<td>ethdev
</td>
</tr>
<tr>
<th>Assignee</th>
<td>dev@dpdk.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>Junya.Oda@anritsu.com
</td>
</tr>
<tr>
<th>Target Milestone</th>
<td>---
</td>
</tr></table>
<p>
<div class="bz_comment_block">
<pre class="bz_comment_text">Overview:
I have created an application based on “examples/l2fwd”.
There is a problem that unable to transmit any packets.
(Receiving packets is working)
It seems similar to the following bug:
<a class="bz_bug_link bz_status_UNCONFIRMED " title="UNCONFIRMED - Transmit errors with i40e VF using SR-IOV on a vSphere VM" href="show_bug.cgi?id=590">https://bugs.dpdk.org/show_bug.cgi?id=590</a>
Steps to Reproduce:
1. Create SR-IOV VF on Hypervisor
2. Create VM with SR-IOV-Passthrough
3. Bind "igb_uio" to VF
4. Launch software
At step2, VF can communicate a external switch
Actual Results:
No packets are transmitted.
When "rte_eth_stats_get" is executed,
“oerrors” matched the number of packets that were attempted to be sent.
Expected Results:
The packets should be transmitted.
--- VM information ---
OS : Ubuntu 22.04.4 LTS
NIC : Intel E810
```
lspci -Dknn
0000:07:00.0 Ethernet controller [0200]: Intel Corporation Ethernet Adaptive
Virtual Function [8086:1889] (rev 02)
Subsystem: Intel Corporation Ethernet Adaptive Virtual Function
[8086:0000]
Kernel driver in use: iavf
Kernel modules: iavf
```
</pre>
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