X710 - VFs - TX driver issue detected, PF reset issued, when running iperf3

Hi,

* In summary:

When I run iperf3 between 2 machines throgh SRIO VFs interface and I got the following error in dmesg:

TX driver issue detected, PF reset issued

* How to setup and detail results

+ I got 2 machines each with 1 X710 4ports 10G cards. These 2 X710 cards has direct cable connect between them.

+ On machine 1, I run the following commands to create VF0 and setup its IP. VF0 has pci address of 0000:04:0a.0

$ echo 1 > /sys/bus/pci/devices/0000\:04\:00.2/sriov_numvfs

$ ifconfig enp4s0f2 mtu 9700

$ ifconfig enp4s10 1.1.1.1 netmask 255.255.255.0 mtu 9216

$ echo 'msg_enable 0xffff' > /sys/kernel/debug/i40e/0000\:04\:00.2/command

+ On machine 2, I run the following commands to create VF0 and setup its IP. VF0 has pci address of 0000:04:0a.0

$ echo 1 > /sys/bus/pci/devices/0000\:04\:00.2/sriov_numvfs

$ ifconfig enp4s0f2 mtu 9700

$ ifconfig enp4s10 1.1.1.2 netmask 255.255.255.0 mtu 9216

+ I was able to ping 1.1.1.2 from machine 1 and ping 1.1.1.1 from machine 2

+ On machine 2, start iperf3 server:

$ iperf3 -s -p 8000

+ On machine 1, start iperf3 client:

$ iperf3 -c 1.1.1.12 -p 8000 -l 64 -p 4

$ dmesg

[ 5895.270158] i40e 0000:04:00.2: Malicious Driver Detection event 0x00 on TX queue 68 PF number 0x02 VF number 0x40

[ 5895.270166] i40e 0000:04:00.2: TX driver issue detected, PF reset issued

[ 5895.270170] i40e 0000:04:00.2: TX driver issue detected on VF 0

[ 5895.270173] i40e 0000:04:00.2: Too many MDD events on VF 0, disabled

[ 5895.270176] i40e 0000:04:00.2: Use PF Control I/F to re-enable the VF

[ 5895.284494] i40evf 0000:04:0a.0: PF reset warning received

[ 5895.284500] i40evf 0000:04:0a.0: Scheduling reset task

[ 5895.334703] i40e 0000:04:00.2: Query for DCB configuration failed, err I40E_ERR_ADMIN_QUEUE_ERROR aq_err I40E_AQ_RC_EPERM

[ 5895.334711] i40e 0000:04:00.2: DCB init failed -53, disabled

[ 5895.612086] i40e 0000:04:00.2: Malicious Driver Detection event 0x00 on TX queue 67 PF number 0x02 VF number 0x40

[ 5895.612096] i40e 0000:04:00.2: Too many MDD events on VF 0, disabled

[ 5895.612098] i40e 0000:04:00.2: Use PF Control I/F to re-enable the VF

[ 5895.640978] i40e 0000:04:00.2: Invalid message from VF 0, opcode 3, len 4

* X710 card ports info

04:00.0 Ethernet controller: Intel Corporation Ethernet Controller X710 for 10GbE SFP+ (rev 01)

04:00.1 Ethernet controller: Intel Corporation Ethernet Controller X710 for 10GbE SFP+ (rev 01)

04:00.2 Ethernet controller: Intel Corporation Ethernet Controller X710 for 10GbE SFP+ (rev 01)

04:00.3 Ethernet controller: Intel Corporation Ethernet Controller X710 for 10GbE SFP+ (rev 01)

* This is driver info of PF X710:

driver: i40e

version: 1.4.25-k

firmware-version: 5.04 0x80002549 0.0.0

expansion-rom-version:

bus-info: 0000:04:00.2

supports-statistics: yes

supports-test: yes

supports-eeprom-access: yes

supports-register-dump: yes

supports-priv-flags: yes

* This is the PF X710 card info:

04:00.2 Ethernet controller: Intel Corporation Ethernet Controller X710 for 10GbE SFP+ (rev 01)

Subsystem: Intel Corporation Ethernet Converged Network Adapter X710

Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr+ Stepping- SERR+ FastB2B- DisINTx+

Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-

Latency: 0, Cache Line Size: 256 bytes

Interrupt: pin A routed to IRQ 35

Region 0: Memory at dc800000 (64-bit, prefetchable) [size=8M]

Region 3: Memory at dc7f8000 (64-bit, prefetchable) [size=32K]

Expansion ROM at df380000 [disabled] [size=512K]

Capabilities: [40] Power Management version 3

Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+)

Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=1 PME-

Capabilities: [50] MSI: Enable- Count=1/1 Maskable+ 64bit+

Address: 0000000000000000 Data: 0000

Masking: 00000000 Pending: 00000000

Capabilities: [70] MSI-X: Enable+ Count=129 Masked-

Vector table: BAR=3 offset=00000000

PBA: BAR=3 offset=00001000

Capabilities: [a0] Express (v2) Endpoint, MSI 00

DevCap: MaxPayload 2048 bytes, PhantFunc 0, Latency L0s <512ns, L1 <64us

ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset+

DevCtl: Report errors: Correctable+ Non-Fatal+ Fatal+ Unsupported+

RlxdOrd+ ExtTag+ PhantFunc- AuxPwr- NoSnoop- FLReset-

MaxPayload 128 bytes, MaxReadReq 512 bytes

DevSta: CorrErr+ UncorrErr- FatalErr- UnsuppReq+ AuxPwr- TransPend-

LnkCap: Port #0, Speed 8GT/s, Width x8, ASPM L1, Exit Latency L0s <2us, L1 <16us

ClockPM- Surprise- LLActRep- BwNot- ASPMOptComp+

LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- CommClk+

ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-

LnkSta: Speed 5GT/s, Width x8, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-

DevCap2: Completion Timeout: Range ABCD, TimeoutDis+, LTR-, OBFF Not Supported

DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis-, LTR-, OBFF Disabled

LnkSta2: Current De-emphasis Level: -6dB, EqualizationComplete-, EqualizationPhase1-

EqualizationPhase2-, EqualizationPhase3-, LinkEqualizationRequest-

Capabilities: [e0] Vital Product Data

Product Name: XL710 40GbE Controller

Read-only fields:

[PN] Part number:

[EC] Engineering changes:

[FG] Unknown:

[LC] Unknown:

[MN] Manufacture ID:

[PG] Unknown:

[SN] Serial number:

[V0] Vendor specific:

[RV] Reserved: checksum good, 0 byte(s) reserved

Read/write fields:

[V1] Vendor specific:

End

Capabilities: [100 v2] Advanced Error Reporting

UESta: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-

UEMsk: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq+ ACSViol-

UESvrt: DLP+ SDES+ TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt- RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol-

CESta: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+

CEMsk: RxErr+ BadTLP+ BadDLLP+ Rollover+ Timeout+ NonFatalErr+

AERCap: First Error Pointer: 00, GenCap+ CGenEn- ChkCap+ ChkEn-

Capabilities: [140 v1] Device Serial Number 90-9c-a4-ff-ff-fe-fd-3c

Capabilities: [150 v1] Alternative Routing-ID Interpretation (ARI)

ARICap: MFVC- ACS-, Next Function: 3

ARICtl: MFVC- ACS-, Function Group: 0

Capabilities: [160 v1] Single Root I/O Virtualization (SR-IOV)

IOVCap: Migration-, Interrupt Message Number: 000

IOVCtl: Enable+ Migration- Interrupt- MSE+ ARIHierarchy-

IOVSta: Migration-

Initial VFs: 32, Total VFs: 32, Number of VFs: 1, Function Dependency Link: 02

VF offset: 78, stride: 1, Device ID: 154c

Supported Page Size: 00000553, System Page Size: 00000001

Region 0: Memory at 00000000dc400000 (64-bit, prefetchable)

Region 3: Memory at 00000000dc380000 (64-bit, prefetchable)

VF Migration: offset: 00000000, BIR: 0

Capabilities: [1a0 v1] Transaction Processing Hints

Device specific mode supported

No steering table available

Capabilities: [1b0 v1] Access Control Services

ACSCap: SrcValid- TransBlk- ReqRedir- CmpltRedir- UpstreamFwd- EgressCtrl- DirectTrans-

ACSCtl: SrcValid- TransBlk- ReqRedir- CmpltRedir- UpstreamFwd- EgressCtrl- DirectTrans-

Kernel driver in use: i40e

Kernel modules: i40e