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From: bugzilla@dpdk.org
To: dev@dpdk.org
Subject: [Bug 1311] [dpdk-23.11]
 vhost_virtio_user_interrupt_with_power_monitor: Launch dpdk-l3fwd-power core
 dumped on SPR
Date: Thu, 09 Nov 2023 09:22:14 +0000
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X-Bugzilla-Component: vhost/virtio
X-Bugzilla-Version: 23.11
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X-Bugzilla-Who: linglix.chen@intel.com
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--16995217340.E4f1eEae4.319553
Date: Thu, 9 Nov 2023 10:22:14 +0100
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https://bugs.dpdk.org/show_bug.cgi?id=3D1311
            Bug ID: 1311
           Summary: [dpdk-23.11]
                    vhost_virtio_user_interrupt_with_power_monitor: Launch
                    dpdk-l3fwd-power core dumped on SPR
           Product: DPDK
           Version: 23.11
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: vhost/virtio
          Assignee: dev@dpdk.org
          Reporter: linglix.chen@intel.com
  Target Milestone: ---
[Environment]
DPDK version: dpdk 23.11-rc1: 5f9426b061
OS: Ubuntu 22.04.3 LTS/5.15.0-84-generic
Compiler: gcc version 11.4.0
Hardware platform: SPR(Intel(R) Xeon(R) Platinum 8490H)
NIC hardware: Ethernet Controller E810-C for QSFP 1592
NIC firmware: 4.40 0x8001c2f1 1.3492.0
NIC kdriver: ice-1.13.0_rc99_4_gb8ad35697
[Test Setup]
Steps to reproduce
1. ssh root@dpdk-yingya-spr2 =C2=A0
2.bind NIC port to vfio-pci, =C2=A0
./usertools/dpdk-devbind.py -b vfio-pci 45:00.0
3. Launch vhost by below command::=20
./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 1-2 -n 4 --file-prefix=3Dv=
host
--vdev 'net_vhost0,iface=3D./vhost-net,queues=3D1' -- -i --rxq=3D1 --txq=3D1
4. Launch virtio with l3fwd-power:: =C2=A0 =C2=A0 =C2=A0
 ./x86_64-native-linuxapp-gcc/examples/dpdk-l3fwd-power -l 3-4 -n 4 --no-pci
--file-prefix=3Dl3fwd-power --vdev=3Dvirtio_user0,path=3D./vhost-net
--log-level=3D'user1,7' -- -p 1 --config=3D"(0,0,4)" --parse-ptype
--pmd-mgmt=3Dmonitor
[Show the output from the previous commands]
EAL: Detected CPU lcores: 128
EAL: Detected NUMA nodes: 2
EAL: Detected static linkage of DPDK
EAL: Multi-process socket /var/run/dpdk/l3fwd-power/mp_socket
EAL: Selected IOVA mode 'VA'
EAL: VFIO support initialized
virtio_user_dev_init_mac(): (./vhost-net) No valid MAC in devargs or device,
use random
soft parse-ptype is enabled
PMD power mgmt mode is enabled
L3FWD_POWER: Selected operation mode: pmd mgmt
Initializing port 0 ... Creating queues: nb_rxq=3D1 nb_txq=3D1... Port 0 mo=
dified
RSS hash function based on hardware support,requested:0x20820 configured:0
 Address:06:8F:52:89:DE:C0, Allocated mbuf pool on socket 0
LPM: Adding route 0x01010100 / 24 (0)
LPM: Adding route 0x02010100 / 24 (1)
LPM: Adding route 0x03010100 / 24 (2)
LPM: Adding route 0x04010100 / 24 (3)
LPM: Adding route 0x05010100 / 24 (4)
LPM: Adding route 0x06010100 / 24 (5)
LPM: Adding route 0x07010100 / 24 (6)
LPM: Adding route 0x08010100 / 24 (7)
txq=3D3,0,0
Initializing rx queues on lcore 3 ...
Initializing rx queues on lcore 4 ... rxq=3D0,0,0 Port 0: softly parse pack=
et
type info
Checking link statusdone
Port 0 Link up at Unknown FDX Autoneg
L3FWD_POWER: entering main telemetry loop on lcore 4
L3FWD_POWER:  -- lcoreid=3D4 portid=3D0 rxqueueid=3D0
L3FWD_POWER: lcore 3 has nothing to do
Segmentation fault (core dumped)
[Expected Result]
Launch dpdk-l3fwd-power normal.
Regression
Is this issue a regression: (Y/N) Y
First bad commit 60943c04f3bcd0ed32a9844993d1182c917b978b=C2=A0
Author: Tyler Retzlaff 
Date:=C2=A0 =C2=A0Fri Aug 11 12:20:47 2023 -0700
=C2=A0 =C2=A0 eal/x86: use intrinsics for power management
=C2=A0 =C2=A0 Inline assembly is not supported for MSVC x64 instead use _um=
onitor,
=C2=A0 =C2=A0 _umwait and _tpause intrinsics.
=C2=A0 =C2=A0 Signed-off-by: Tyler Retzlaff 
=C2=A0 =C2=A0 Acked-by: Morten Br=C3=B8rup 
=C2=A0 =C2=A0 Acked-by: Konstantin Ananyev 
test on SPR only
The bad commit 60943c04f3 will build failed, fixed commit ac1d4db91e (eal/x=
86:
fix build on systems with WAITPKG)
--=20
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Date: Thu, 9 Nov 2023 10:22:14 +0100
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          | Bug ID | 1311 | 
        
          | Summary | [dpdk-23.11] vhost_virtio_user_interrupt_with_power_monitor: =
Launch dpdk-l3fwd-power core dumped on SPR | 
        
          | Product | DPDK | 
        
          | Version | 23.11 | 
        
          | Hardware | All | 
        
          | OS | All | 
        
          | Status | UNCONFIRMED | 
        
          | Severity | normal | 
        
          | Priority | Normal | 
        
          | Component | vhost/virtio | 
        
          | Assignee | dev@dpdk.org | 
        
          | Reporter | linglix.chen@intel.com | 
        
          | Target Milestone | --- | 
      
        
      
      
      You are receiving this mail because:
      
          - You are the assignee for the bug.
        
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