[dpdk-dev] [Bug 618] [mlx5] secondary process fails to start

[dpdk-dev] [Bug 618] [mlx5] secondary process fails to start

[bugzilla]

https://bugs.dpdk.org/show_bug.cgi?id=618

            Bug ID: 618
           Summary: [mlx5] secondary process fails to start
           Product: DPDK
           Version: 18.11
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: ethdev
          Assignee: dev@dpdk.org
          Reporter: alialnu@nvidia.com
  Target Milestone: ---

Primary process starts fine:

"""
$ symmetric_mp -n 4 -w 0000:00:05.0,dv_flow_en=0 -w 0000:00:06.0,dv_flow_en=0
-l 1 --proc-type=primary -- -p 0x3 --num-procs=2 --proc-id=0

EAL: Detected 8 lcore(s)
EAL: Detected 1 NUMA nodes
EAL: Multi-process socket /var/run/dpdk/rte/mp_socket
EAL: Probing VFIO support...
EAL: VFIO support initialized
EAL: WARNING: cpu flags constant_tsc=yes nonstop_tsc=no -> using unreliable
clock cycles !
EAL: PCI device 0000:00:05.0 on NUMA socket -1
EAL:   Invalid NUMA socket, default to 0
EAL:   probe driver: 15b3:1019 net_mlx5
EAL: PCI device 0000:00:06.0 on NUMA socket -1
EAL:   Invalid NUMA socket, default to 0
EAL:   probe driver: 15b3:1019 net_mlx5
# Initialising port 0... # Initialising port 1...
Checking link statusdone
Port0 Link Up. Speed 10000 Mbps - full-duplex
Port1 Link Up. Speed 10000 Mbps - full-duplex
APP: Finished Process Init.
Lcore 1 using ports 0 1
lcore 1 using queue 0 of each port
"""

The secondary process fails to start.
"""
$ symmetric_mp -n 4 -w 0000:00:05.0,dv_flow_en=0 -w 0000:00:06.0,dv_flow_en=0
-l 2 --proc-type=secondary -- -p 0x3 --num-procs=2 --proc-id=1

EAL: Detected 8 lcore(s)
EAL: Detected 1 NUMA nodes
EAL: Multi-process socket /var/run/dpdk/rte/mp_socket_20671_9af0b0dac948
EAL: Probing VFIO support...
EAL: VFIO support initialized
EAL: WARNING: cpu flags constant_tsc=yes nonstop_tsc=no -> using unreliable
clock cycles !
EAL: PCI device 0000:00:05.0 on NUMA socket -1
EAL:   Invalid NUMA socket, default to 0
EAL:   probe driver: 15b3:1019 net_mlx5
net_mlx5: port 0 mmap failed for BF reg of txq 1
net_mlx5: probe of PCI device 0000:00:05.0 aborted after encountering an error:
No such device or address
EAL: Requested device 0000:00:05.0 cannot be used
EAL: PCI device 0000:00:06.0 on NUMA socket -1
EAL:   Invalid NUMA socket, default to 0
EAL:   probe driver: 15b3:1019 net_mlx5
net_mlx5: port 1 mmap failed for BF reg of txq 1
net_mlx5: probe of PCI device 0000:00:06.0 aborted after encountering an error:
No such device or address
EAL: Requested device 0000:00:06.0 cannot be used
EAL: Error - exiting with code: 1
  Cause: No Ethernet ports - bye
"""


NIC: ConnectX-5
OFED: MLNX_OFED_LINUX-5.2-1.0.4.0 (Issue doesn't reproduce with 5.1-2.5.8.0)
Firmware version: 16.29.1016

OS: RHEL 7.4
Kernel: 3.10.0-693.el7.x86_64
gcc: 4.8.5

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[dpdk-dev] [Bug 618] [mlx5] secondary process fails to start

[bugzilla]

https://bugs.dpdk.org/show_bug.cgi?id=618

Slava (viacheslavo@mellanox.com) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |FIXED

--- Comment #4 from Slava (viacheslavo@mellanox.com) ---
Fix is merged ro 18.11
https://inbox.dpdk.org/stable/20210117133323.17433-1-viacheslavo@nvidia.com

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