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* [dpdk-dev] [Bug 580] [dpdk-20.11] testpmd: Ubuntu 16.04: Failed to start port as mlx5_pci can't allocate hash list.
@ 2020-11-19 17:45 bugzilla
  0 siblings, 0 replies; only message in thread
From: bugzilla @ 2020-11-19 17:45 UTC (permalink / raw)
  To: dev

https://bugs.dpdk.org/show_bug.cgi?id=580

            Bug ID: 580
           Summary: [dpdk-20.11] testpmd: Ubuntu 16.04: Failed to start
                    port as mlx5_pci can't allocate hash list.
           Product: DPDK
           Version: 20.11
          Hardware: x86
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: testpmd
          Assignee: dev@dpdk.org
          Reporter: abhimarathe17@gmail.com
  Target Milestone: ---

Hi,


Facing issue with Ubuntu 16.04 & Ubuntu 18.04 with mlx5 driver on Azure
platform.
For Ubuntu 16.04(4.15.0-1098-azure), testpmd failed to start port. mlx5_pci:
Can't allocate hash list mlx5_1_flow_table entry.

testpmd output given below:
EAL: Probing VFIO support...
EAL: Probe PCI driver: mlx5_pci (15b3:1016) device: 40db:00:02.0 (socket 0)
mlx5_pci: Size 0xFFFF is not power of 2, will be aligned to 0x10000.
mlx5_pci: Default miss action is not supported.
mlx5_pci: Can't allocate hash list mlx5_1_flow_table entry.
mlx5_pci: Can't allocate hash list mlx5_1_flow_table entry.
mlx5_pci: Can't allocate hash list mlx5_1_flow_table entry.
mlx5_pci: Can't allocate hash list mlx5_1_flow_table entry.
mlx5_pci: Can't allocate hash list mlx5_1_flow_table entry.
mlx5_pci: Can't allocate hash list mlx5_1_flow_table entry.
net_vdev_netvsc: probably using routed NetVSC interface "eth1" (index 3)
EAL: No legacy callbacks, legacy socket not created
Set io packet forwarding mode
Warning: NUMA should be configured manually by using --port-numa-config and
--ring-numa-config parameters along with --numa.
testpmd: create a new mbuf pool <mb_pool_0>: n=180224, size=2176, socket=0
testpmd: preferred mempool ops selected: ring_mp_mc
Configuring Port 1 (socket 0)
mlx5_pci: Failed to init cache list NIC_ingress_0_matcher_cache entry (nil).
mlx5_pci: port 0 failed to set defaults flows
Fail to start port 1
Please stop the ports first
Done

For Ubuntu 18.04(5.4.0-1031-azure),Getting similar errors but ports are not
blocked/stopped.

testpmd output given below:
--------------------------mlx5-----------------------------------------
EAL: Probing VFIO support...
EAL: VFIO support initialized
EAL: Probe PCI driver: mlx5_pci (15b3:1016) device: 0002:00:02.0 (socket 0)
mlx5_pci: Retrying to allocate Rx DevX UAR
mlx5_pci: Size 0xFFFF is not power of 2, will be aligned to 0x10000.
mlx5_pci: Default miss action is not supported.
mlx5_pci: Can't allocate hash list mlx5_1_flow_table entry.
mlx5_pci: Can't allocate hash list mlx5_1_flow_table entry.
mlx5_pci: Can't allocate hash list mlx5_1_flow_table entry.
mlx5_pci: Can't allocate hash list mlx5_1_flow_table entry.
mlx5_pci: Can't allocate hash list mlx5_1_flow_table entry.
mlx5_pci: Can't allocate hash list mlx5_1_flow_table entry.
net_vdev_netvsc: probably using routed NetVSC interface "eth1" (index 3)
tap_nl_dump_ext_ack(): Cannot delete qdisc with handle of zero
tap_nl_dump_ext_ack(): Failed to find qdisc with specified classid
tap_nl_dump_ext_ack(): Failed to find qdisc with specified classid
tap_nl_dump_ext_ack(): Failed to find qdisc with specified classid
tap_nl_dump_ext_ack(): Failed to find qdisc with specified classid
tap_nl_dump_ext_ack(): Failed to find qdisc with specified classid
tap_nl_dump_ext_ack(): Failed to find qdisc with specified classid
tap_nl_dump_ext_ack(): Failed to find qdisc with specified classid
tap_nl_dump_ext_ack(): Failed to find qdisc with specified classid
EAL: No legacy callbacks, legacy socket not created
Set txonly packet forwarding mode
Warning: NUMA should be configured manually by using --port-numa-config and
--ring-numa-config parameters along with --numa.
testpmd: create a new mbuf pool <mb_pool_0>: n=163840, size=2176, socket=0
testpmd: preferred mempool ops selected: ring_mp_mc
Configuring Port 1 (socket 0)
Port 1: 00:0D:3A:C4:E8:BB
Checking link statuses...
Done

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2020-11-19 17:45 [dpdk-dev] [Bug 580] [dpdk-20.11] testpmd: Ubuntu 16.04: Failed to start port as mlx5_pci can't allocate hash list bugzilla

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