[Bug 1019] Cannot Rx after DPDK 22.03 version with iavf

[bugzilla@dpdk.org]

https://bugs.dpdk.org/show_bug.cgi?id=1019

            Bug ID: 1019
           Summary: Cannot Rx after DPDK 22.03 version with iavf
           Product: DPDK
           Version: 22.03
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: major
          Priority: Normal
         Component: ethdev
          Assignee: dev@dpdk.org
          Reporter: happygmkim@gmail.com
  Target Milestone: ---

Hi,
Sometimes XL710 VF cannot Rx packets when startup with DPDK 22.03.
It have been worked well before DPDK 22.03.

1. Reproduction : Send arp flooding packets in same subnet during DPDK driver
initialization, it happens randomly.
#!/bin/bash
while [ true ]
do
sudo arping -i ethvf -w 0 -B -q
done

Rx stopped after "fault addr 0 [fault reason 05] PTE Write access is not set"
message found.

2. Test environment
1) OS : Ubuntu 18.04
2) NIC : Intel XL710 SRIOV-VF
3) Used Kernel driver and F/W version
Driver version: 2.1.14-k
firmware-version: 7.10 0x800075e6 19.5.12
-> It happened other several other different drivers and F/W versions

3. Syslog
May 23 03:55:32 xx[31168]: EAL: VFIO support initialized
May 23 03:55:32 xx[31168]: EAL: Using IOMMU type 1 (Type 1)
May 23 03:55:32 kernel: vfio-pci 0000:3b:02.3: enabling device (0000 -> 0002)
May 23 03:55:33 xx[31168]: EAL: Probe PCI driver: net_iavf (8086:154c) device:
0000:3b:02.3 (socket 0)
May 23 03:55:33 kernel: vfio-pci 0000:3b:02.4: enabling device (0000 -> 0002)
May 23 03:55:33 xx[31168]: EAL: Probe PCI driver: net_iavf (8086:154c) device:
0000:3b:02.4 (socket 0)
May 23 03:55:33 xx[31168]: TELEMETRY: No legacy callbacks, legacy socket not
created
May 23 03:55:33 xx[31168]: iavf_configure_queues(): RXDID[22] is not supported,
request default RXDID[1] in Queue[0]
May 23 03:55:34 kernel: i40e 0000:3b:00.0: Unprivileged VF 3 is attempting to
configure promiscuous mode
May 23 03:55:34 kernel: i40e 0000:3b:00.0: Unprivileged VF 3 is attempting to
configure promiscuous mode
May 23 03:55:34 xx[31168]: iavf_configure_queues(): RXDID[22] is not supported,
request default RXDID[1] in Queue[0]
May 23 03:55:34 kernel: DMAR: DRHD: handling fault status reg 302
May 23 03:55:34 kernel: DMAR: [DMA Write] Request device [3b:02.4] fault addr 0
[fault reason 05] PTE Write access is not set
May 23 03:55:34 kernel: i40e 0000:3b:00.0: Unprivileged VF 4 is attempting to
configure promiscuous mode
May 23 03:55:34 kernel: DMAR: [DMA Write] Request device [3b:02.4] fault addr 0
[fault reason 05] PTE Write access is not set
May 23 03:55:34 kernel: DMAR: DRHD: handling fault status reg 500

4

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