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From: bugzilla@dpdk.org
To: dev@dpdk.org
Subject: [DPDK/ethdev Bug 1647] uio_pci_generic module bind failed in
X710/XL710/XXV710
Date: Mon, 03 Feb 2025 03:58:51 +0000
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Date: Mon, 3 Feb 2025 04:58:51 +0100
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https://bugs.dpdk.org/show_bug.cgi?id=3D1647
Bug ID: 1647
Summary: uio_pci_generic module bind failed in
X710/XL710/XXV710
Product: DPDK
Version: unspecified
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: ethdev
Assignee: dev@dpdk.org
Reporter: nandinipersad361@gmail.com
Target Milestone: ---
The uio_pci_generic module is not supported by XL710, since the errata of X=
L710
states that the Interrupt Status bit is not implemented. The errata is the =
item
#71 from the xl710 controller spec. The hw limitation is the same as other
X710/XXV710 NICs.
Implication:
When use --bind=3Duio_pci_generic, the uio_pci_generic module probes device=
and
check the Interrupt Status bit. Since it is not supported by X710/XL710/XXV=
710,
it return a failed value. The statement that these products don=E2=80=99t s=
upport INTx
masking, is indicated in the related linux kernel commit.
Resolution/Workaround:
Do not bind the uio_pci_generic module in X710/XL710/XXV710 NICs.
Affected Environment/Platform:
All.
Driver/Module:
Poll Mode Driver (PMD).
--=20
You are receiving this mail because:
You are the assignee for the bug.=
--17385551310.D2B56.2150131
Date: Mon, 3 Feb 2025 04:58:51 +0100
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<html>
<head>
<base href=3D"https://bugs.dpdk.org/">
</head>
<body><table border=3D"1" cellspacing=3D"0" cellpadding=3D"8" class=3D"=
bz_new_table">
<tr>
<th>Bug ID</th>
<td><a class=3D"bz_bug_link=20
bz_status_UNCONFIRMED "
title=3D"UNCONFIRMED - uio_pci_generic module bind failed in X710/XL710/=
XXV710"
href=3D"https://bugs.dpdk.org/show_bug.cgi?id=3D1647">1647</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>uio_pci_generic module bind failed in X710/XL710/XXV710
</td>
</tr>
<tr>
<th>Product</th>
<td>DPDK
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</td>
</tr>
<tr>
<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>nandinipersad361@gmail.com
</td>
</tr>
<tr>
<th>Target Milestone</th>
<td>---
</td>
</tr></table>
<p>
<div class=3D"bz_comment_block">
<pre class=3D"bz_comment_text">The uio_pci_generic module is not =
supported by XL710, since the errata of XL710
states that the Interrupt Status bit is not implemented. The errata is the =
item
#71 from the xl710 controller spec. The hw limitation is the same as other
X710/XXV710 NICs.
Implication:
When use --bind=3Duio_pci_generic, the uio_pci_generic module probes device=
and
check the Interrupt Status bit. Since it is not supported by X710/XL710/XXV=
710,
it return a failed value. The statement that these products don=E2=80=99t s=
upport INTx
masking, is indicated in the related linux kernel commit.
Resolution/Workaround:
Do not bind the uio_pci_generic module in X710/XL710/XXV710 NICs.
Affected Environment/Platform:
All.
Driver/Module:
Poll Mode Driver (PMD).
</pre>
</div>
</p>
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