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From: bugzilla@dpdk.org
To: dev@dpdk.org
Subject: [Bug 1303] [DPDK-23.11]
hotplug_mp/attach_detach_dev_primary_cross_loop: re-attach device failed in
multiple processes
Date: Fri, 20 Oct 2023 06:33:16 +0000
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X-Bugzilla-Version: 23.11
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--16977835960.7e31a3Ed9.2795777
Date: Fri, 20 Oct 2023 08:33:16 +0200
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https://bugs.dpdk.org/show_bug.cgi?id=3D1303
Bug ID: 1303
Summary: [DPDK-23.11]
hotplug_mp/attach_detach_dev_primary_cross_loop:
re-attach device failed in multiple processes
Product: DPDK
Version: 23.11
Hardware: All
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: Normal
Component: examples
Assignee: dev@dpdk.org
Reporter: tingtingx.liao@intel.com
Target Milestone: ---
Environment
DPDK version: 77f913752a55c0262bfda99a1b69ca0bd804c6c7
OS: Ubuntu 22.04.3 LTS/5.15.0-82-generic
Compiler: gcc (Ubuntu 11.4.0-1ubuntu1~22.04) 11.4.0
NIC hardware: Ethernet Controller E810-C for SFP 1593
Hardware platform: Intel(R) Xeon(R) Gold 6139 CPU @ 2.30GHz
NIC driver: ice-1.13.0_rc90_2_g5c64af920_dirty
NIC firmware: 4.40 0x8001afdb 1.3444.0
Test Setup
1. compile hotplug_mp.
meson configure -Dexamples=3Dmulti_process/hotplug_mp x86_64-native-linuxap=
p-gcc
ninja -C x86_64-native-linuxapp-gcc
2. bind all PF to ice and start 3 processes
./usertools/dpdk-devbind.py -b ice 0000:18:00.0
PRIMARY process: x86_64-native-linuxapp-gcc/examples/dpdk-hotplug_mp=20=20
--proc-type=3Dauto=20
SECONDARY process-1: x86_64-native-linuxapp-gcc/examples/dpdk-hotplug_mp=20=
=20
--proc-type=3Dauto=20
SECONDARY process-2: x86_64-native-linuxapp-gcc/examples/dpdk-hotplug_mp=20=
=20
--proc-type=3Dauto
3. bind all PF to vfio-pci
./usertools/dpdk-devbind.py -b vfio-pci 0000:18:00.0
4. attach device in PRIMARY process
attach 0000:18:00.0
5. detach device in SECONDARY process-1
detach 0000:18:00.0
6. re-attach device in PRIMARY process
attach 0000:18:00.0
[Output]
EAL: Using IOMMU type 1 (Type 1)
EAL: Probe PCI driver: net_ice (8086:1593) device: 0000:18:00.0 (socket 1)
ice_load_pkg_type(): Active package is: 1.3.36.0, ICE OS Default Package
(double VLAN mode)
EAL: Failed to attach device on secondary process
EAL: Releasing PCI mapped resource for 0000:18:00.0
EAL: Calling pci_unmap_resource for 0000:18:00.0 at 0x2202010000
EAL: Calling pci_unmap_resource for 0000:18:00.0 at 0x2204010000
failed to attached device 0000:18:00.0=20
Expected Result
Explain what is the expected result in text or as an example output:
[Expected Result]
EAL: Using IOMMU type 1 (Type 1)
EAL: Probe PCI driver: net_ice (8086:1593) device: 0000:18:00.0 (socket 1)
ice_load_pkg_type(): Active package is: 1.3.36.0, ICE OS Default Package
(double VLAN mode)
attached device 0000:18:00.0
Regression
Is this issue a regression: (Y/N)Y
commit 36c46e738120c381cf663c96692454c5aa75e203
Author: David Marchand <david.marchand@redhat.com>
Date: Wed Sep 27 13:45:15 2023 +0200
ethdev: cleanup shared data with the last port
If no port is allocated and no port owner is still registered,
ethdev from a primary process may release the memzone used to store
port data.
This makes it possible for the DPDK memory allocator to release
associated resources back to the OS.
Signed-off-by: David Marchand <david.marchand@redhat.com>
Acked-by: Morten Br=C3=B8rup <mb@smartsharesystems.com>
--=20
You are receiving this mail because:
You are the assignee for the bug.=
--16977835960.7e31a3Ed9.2795777
Date: Fri, 20 Oct 2023 08:33:16 +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 - [DPDK-23.11] hotplug_mp/attach_detach_dev_primary=
_cross_loop: re-attach device failed in multiple processes"
href=3D"https://bugs.dpdk.org/show_bug.cgi?id=3D1303">1303</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[DPDK-23.11] hotplug_mp/attach_detach_dev_primary_cross_loop:=
re-attach device failed in multiple processes
</td>
</tr>
<tr>
<th>Product</th>
<td>DPDK
</td>
</tr>
<tr>
<th>Version</th>
<td>23.11
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</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>examples
</td>
</tr>
<tr>
<th>Assignee</th>
<td>dev@dpdk.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>tingtingx.liao@intel.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">Environment
DPDK version: 77f913752a55c0262bfda99a1b69ca0bd804c6c7
OS: Ubuntu 22.04.3 LTS/5.15.0-82-generic
Compiler: gcc (Ubuntu 11.4.0-1ubuntu1~22.04) 11.4.0
NIC hardware: Ethernet Controller E810-C for SFP 1593
Hardware platform: Intel(R) Xeon(R) Gold 6139 CPU @ 2.30GHz
NIC driver: ice-1.13.0_rc90_2_g5c64af920_dirty
NIC firmware: 4.40 0x8001afdb 1.3444.0
Test Setup
1. compile hotplug_mp.
meson configure -Dexamples=3Dmulti_process/hotplug_mp x86_64-native-linuxap=
p-gcc
ninja -C x86_64-native-linuxapp-gcc
2. bind all PF to ice and start 3 processes
./usertools/dpdk-devbind.py -b ice 0000:18:00.0
PRIMARY process: x86_64-native-linuxapp-gcc/examples/dpdk-hotplug_mp=20=20
--proc-type=3Dauto=20
SECONDARY process-1: x86_64-native-linuxapp-gcc/examples/dpdk-hotplug_mp=20=
=20
--proc-type=3Dauto=20
SECONDARY process-2: x86_64-native-linuxapp-gcc/examples/dpdk-hotplug_mp=20=
=20
--proc-type=3Dauto
3. bind all PF to vfio-pci
./usertools/dpdk-devbind.py -b vfio-pci 0000:18:00.0
4. attach device in PRIMARY process
attach 0000:18:00.0
5. detach device in SECONDARY process-1
detach 0000:18:00.0
6. re-attach device in PRIMARY process
attach 0000:18:00.0
[Output]
EAL: Using IOMMU type 1 (Type 1)
EAL: Probe PCI driver: net_ice (8086:1593) device: 0000:18:00.0 (socket 1)
ice_load_pkg_type(): Active package is: 1.3.36.0, ICE OS Default Package
(double VLAN mode)
EAL: Failed to attach device on secondary process
EAL: Releasing PCI mapped resource for 0000:18:00.0
EAL: Calling pci_unmap_resource for 0000:18:00.0 at 0x2202010000
EAL: Calling pci_unmap_resource for 0000:18:00.0 at 0x2204010000
failed to attached device 0000:18:00.0=20
Expected Result
Explain what is the expected result in text or as an example output:
[Expected Result]
EAL: Using IOMMU type 1 (Type 1)
EAL: Probe PCI driver: net_ice (8086:1593) device: 0000:18:00.0 (socket 1)
ice_load_pkg_type(): Active package is: 1.3.36.0, ICE OS Default Package
(double VLAN mode)
attached device 0000:18:00.0
Regression
Is this issue a regression: (Y/N)Y
commit 36c46e738120c381cf663c96692454c5aa75e203
Author: David Marchand <<a href=3D"mailto:david.marchand@redhat.com"=
>david.marchand@redhat.com</a>>
Date: Wed Sep 27 13:45:15 2023 +0200
ethdev: cleanup shared data with the last port
If no port is allocated and no port owner is still registered,
ethdev from a primary process may release the memzone used to store
port data.
This makes it possible for the DPDK memory allocator to release
associated resources back to the OS.
Signed-off-by: David Marchand <<a href=3D"mailto:david.marchand@=
redhat.com">david.marchand@redhat.com</a>>
Acked-by: Morten Br=C3=B8rup <<a href=3D"mailto:mb@smartsharesys=
tems.com">mb@smartsharesystems.com</a>>
</pre>
</div>
</p>
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