对于带有独立 FPGA 的 ConnectX-5 Innova-2 卡，mlx5_core: probe 失败，错误代码为 -524
Issue
网络设备没有被创建，出现以下错误：
[ 15.329067] mlx5_core 0000:61:00.0: firmware version: 16.26.1040
[ 15.335472] mlx5_core 0000:61:00.0: 63.008 Gb/s available PCIe bandwidth, limited by 8 GT/s x8 link at 0000:5d:00.0 (capable of 252.048 Gb/s with 16 GT/s x16 link)
[ 15.629178] mlx5_core 0000:61:00.0: Rate limit: 127 rates are supported, range: 0Mbps to 24414Mbps
[ 15.638673] (0000:61:00.0): E-Switch: Total vports 9, per vport: max uc(1024) max mc(16384)
[ 15.649960] mlx5_core 0000:61:00.0: Port module event: module 0, Cable plugged
[ 15.666348] mlx5_core 0000:61:00.0: FPGA: unknown:0; user image, version 0; SBU 000000:0000 version 0
[ 15.676122] mlx5_core 0000:61:00.0: FPGA: mlx5_fpga_device_start:196:(pid 396): FPGA reports 0 QPs in SHELL_CAPS
[ 15.686829] mlx5_core 0000:61:00.0: fpga device start failed -524
[ 15.778106] do_IRQ: 42.42 No irq handler for vector
[ 16.785148] (0000:61:00.0): E-Switch: cleanup
[ 17.287796] mlx5_core 0000:61:00.0: mlx5_load_one failed with error code -524
[ 17.295533] mlx5_core: probe of 0000:61:00.0 failed with error -524
Environment
- rhel-8.[0,1,2]
$ lspci -vvv
3e:00.0 Ethernet controller [0200]: Mellanox Technologies MT27800 Family [ConnectX-5] [15b3:1017]
Subsystem: Mellanox Technologies Device [15b3:0046]
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-
Interrupt: pin A routed to IRQ 151
NUMA node: 0
Region 0: Memory at 382e02000000 (64-bit, prefetchable) [size=32M]
Expansion ROM at <ignored> [disabled]
Capabilities: [60] Express (v2) Endpoint, MSI 00
DevCap: MaxPayload 512 bytes, PhantFunc 0, Latency L0s unlimited, L1 unlimited
ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset+ SlotPowerLimit 0.000W
DevCtl: Report errors: Correctable- Non-Fatal+ Fatal+ Unsupported+
RlxdOrd+ ExtTag+ PhantFunc- AuxPwr- NoSnoop+ FLReset-
MaxPayload 256 bytes, MaxReadReq 512 bytes
DevSta: CorrErr+ UncorrErr- FatalErr- UnsuppReq+ AuxPwr- TransPend-
LnkCap: Port #0, Speed 16GT/s, Width x16, ASPM not supported
ClockPM- Surprise- LLActRep- BwNot- ASPMOptComp+
LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- CommClk+
ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
LnkSta: Speed 16GT/s, Width x16, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
DevCap2: Completion Timeout: Range ABC, TimeoutDis+, LTR-, OBFF Not Supported
AtomicOpsCap: 32bit- 64bit- 128bitCAS-
DevCtl2: Completion Timeout: 65ms to 210ms, TimeoutDis-, LTR-, OBFF Disabled
AtomicOpsCtl: ReqEn-
LnkCtl2: Target Link Speed: 16GT/s, EnterCompliance- SpeedDis-
Transmit Margin: Normal Operating Range, EnterModifiedCompliance- ComplianceSOS-
Compliance De-emphasis: -6dB
LnkSta2: Current De-emphasis Level: -6dB, EqualizationComplete+, EqualizationPhase1+
EqualizationPhase2+, EqualizationPhase3+, LinkEqualizationRequest-
Capabilities: [48] Vital Product Data
Product Name: Innova-2 Flex Open for Application Acceleration, dual-port SFP28, 25GbE, KU15P, No Crypto, PCI4.0 x8, HHHL, active heat sink, tall bracket, ROHS R6
Read-only fields:
[PN] Part number: MNV303212A-ADLT
[EC] Engineering changes: A5
[V2] Vendor specific: MNV303212A-ADLT
[SN] Serial number: XXXXXXXX
[V3] Vendor specific: 7ca1fa1d7096e9118000b8599f403d36
[VA] Vendor specific: MLX:MODL=NV303212A:MN=MLNX:CSKU=V2:UUID=V3:PCI=V0
[V0] Vendor specific: PCIeGen4 x8
[RV] Reserved: checksum good, 1 byte(s) reserved
End
Capabilities: [9c] MSI-X: Enable- Count=64 Masked-
Vector table: BAR=0 offset=00002000
PBA: BAR=0 offset=00003000
Capabilities: [c0] Vendor Specific Information: Len=18 <?>
Capabilities: [40] Power Management version 3
Flags: PMEClk- DSI- D1- D2- AuxCurrent=375mA PME(D0-,D1-,D2-,D3hot-,D3cold+)
Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME-
Capabilities: [100 v1] 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: 04, ECRCGenCap+ ECRCGenEn- ECRCChkCap+ ECRCChkEn-
MultHdrRecCap- MultHdrRecEn- TLPPfxPres- HdrLogCap-
HeaderLog: 00000000 00000000 00000000 00000000
Capabilities: [150 v1] Alternative Routing-ID Interpretation (ARI)
ARICap: MFVC- ACS-, Next Function: 1
ARICtl: MFVC- ACS-, Function Group: 0
Capabilities: [180 v1] Single Root I/O Virtualization (SR-IOV)
IOVCap: Migration-, Interrupt Message Number: 000
IOVCtl: Enable- Migration- Interrupt- MSE- ARIHierarchy+
IOVSta: Migration-
Initial VFs: 8, Total VFs: 8, Number of VFs: 0, Function Dependency Link: 00
VF offset: 2, stride: 1, Device ID: 1018
Supported Page Size: 000007ff, System Page Size: 00000001
Region 0: Memory at 0000382e04800000 (64-bit, prefetchable)
VF Migration: offset: 00000000, BIR: 0
Capabilities: [1c0 v1] #19
Capabilities: [230 v1] Access Control Services
ACSCap: SrcValid- TransBlk- ReqRedir- CmpltRedir- UpstreamFwd- EgressCtrl- DirectTrans-
ACSCtl: SrcValid- TransBlk- ReqRedir- CmpltRedir- UpstreamFwd- EgressCtrl- DirectTrans-
Capabilities: [320 v1] #27
Capabilities: [370 v1] #26
Capabilities: [420 v1] #25
Kernel modules: mlx5_core
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