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From: bugzilla@dpdk.org
To: dev@dpdk.org
Subject: [Bug 1221] PPC64le memory init use mmap return EBUSY
Date: Mon, 24 Apr 2023 14:37:06 +0000
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Date: Mon, 24 Apr 2023 16:37:06 +0200
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https://bugs.dpdk.org/show_bug.cgi?id=3D1221
Bug ID: 1221
Summary: PPC64le memory init use mmap return EBUSY
Product: DPDK
Version: 21.11
Hardware: POWER
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: core
Assignee: dev@dpdk.org
Reporter: haibowu@hcdatainc.com
Target Milestone: ---
When dpdk is initializing, it will first use the eal_get_virtual_area() to
obtain the virtual address(pagesize is 64K), and then call the mmap() to bi=
nd
the hugepage(pagesize is 16M) to the corresponding virtual address, but bec=
ause
the pagesize is different, it will report EBUSY in PPC64. Maybe we need use
MAP_HUGETLB in the mmap parameters of eal_get_virtual_area().
--=20
You are receiving this mail because:
You are the assignee for the bug.=
--16823470260.cCD7A49B6.3701303
Date: Mon, 24 Apr 2023 16:37:06 +0200
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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 - PPC64le memory init use mmap return EBUSY"
href=3D"https://bugs.dpdk.org/show_bug.cgi?id=3D1221">1221</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>PPC64le memory init use mmap return EBUSY
</td>
</tr>
<tr>
<th>Product</th>
<td>DPDK
</td>
</tr>
<tr>
<th>Version</th>
<td>21.11
</td>
</tr>
<tr>
<th>Hardware</th>
<td>POWER
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</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>core
</td>
</tr>
<tr>
<th>Assignee</th>
<td>dev@dpdk.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>haibowu@hcdatainc.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">When dpdk is initializing, it will=
first use the eal_get_virtual_area() to
obtain the virtual address(pagesize is 64K), and then call the mmap() to bi=
nd
the hugepage(pagesize is 16M) to the corresponding virtual address, but bec=
ause
the pagesize is different, it will report EBUSY in PPC64. Maybe we need use
MAP_HUGETLB in the mmap parameters of eal_get_virtual_area().
</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are the assignee for the bug.</li>
</ul>
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<link itemprop=3D"url" href=3D"https://bugs.dpdk.org/show_bug.cgi=
?id=3D1221">
<meta itemprop=3D"name" content=3D"View bug">
</div>
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ication">
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