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root@npx:~# cat /etc/os-release PRETTY_NAME="Ubuntu 22.04.3 LTS" NAME="Ubuntu" VERSION_ID="22.04" VERSION="22.04.3 LTS (Jammy Jellyfish)" VERSION_CODENAME=jammy ID=ubuntu ID_LIKE=debian HOME_URL="https://www.ubuntu.com/"; SUPPORT_URL="https://help.ubuntu.com/"; BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"; PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"; UBUNTU_CODENAME=jammy root@npx:~# uname -r 5.15.0-88-generic root@npx:~# lscpu | head -n 5 Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 52 bits physical, 57 bits virtual Byte Order: Little Endian CPU(s): 256 root@npx:~# ethtool -i ens2f0 driver: ice version: 5.15.0-88-generic firmware-version: 4.40 0x8001c7d5 1.3534.0 expansion-rom-version: bus-info: 0000:16:00.0 supports-statistics: yes supports-test: yes supports-eeprom-access: yes supports-register-dump: yes supports-priv-flags: yes root@npx:~# lspci -s 16:00.0 -vvv 16:00.0 Ethernet controller: Intel Corporation Ethernet Controller E810-C for SFP (rev 02) Subsystem: Intel Corporation Ethernet Network Adapter E810-XXV-4 Physical Slot: 2 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: 32 bytes Interrupt: pin A routed to IRQ 16 NUMA node: 0 IOMMU group: 19 Region 0: Memory at 201ffa000000 (64-bit, prefetchable) [size=32M] Region 3: Memory at 201ffe030000 (64-bit, prefetchable) [size=64K] Expansion ROM at 95800000 [disabled] [size=1M] 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=512 Masked- Vector table: BAR=3 offset=00000000 PBA: BAR=3 offset=00008000 Capabilities: [a0] Express (v2) Endpoint, MSI 00 DevCap: MaxPayload 512 bytes, PhantFunc 0, Latency L0s <512ns, L1 <64us ExtTag+ AttnBtn- AttnInd- PwrInd- RBE+ FLReset+ SlotPowerLimit 0.000W DevCtl: CorrErr+ NonFatalErr+ FatalErr+ UnsupReq- RlxdOrd+ ExtTag+ PhantFunc- AuxPwr- NoSnoop- FLReset- MaxPayload 512 bytes, MaxReadReq 4096 bytes DevSta: CorrErr+ NonFatalErr- FatalErr- UnsupReq+ 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 (ok), Width x16 (ok) TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt- DevCap2: Completion Timeout: Range AB, TimeoutDis+ NROPrPrP- LTR- 10BitTagComp+ 10BitTagReq- OBFF Not Supported, ExtFmt+ EETLPPrefix+, MaxEETLPPrefixes 1 EmergencyPowerReduction Not Supported, EmergencyPowerReductionInit- FRS- TPHComp- ExtTPHComp- AtomicOpsCap: 32bit- 64bit- 128bitCAS- DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis- LTR- OBFF Disabled, AtomicOpsCtl: ReqEn- LnkCap2: Supported Link Speeds: 2.5-16GT/s, Crosslink- Retimer+ 2Retimers+ DRS- 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- Retimer- 2Retimers- CrosslinkRes: unsupported Capabilities: [e0] Vital Product Data Product Name: Intel(R) Ethernet Network Adapter E810-XXVDA4 Read-only fields: [V1] Vendor specific: Intel(R) Ethernet Network Adapter E810-XXVDA4 [PN] Part number: ~PBA-----~ [SN] Serial number: ~MAC-------~ [V2] Vendor specific: ~WY~ [RV] Reserved: checksum good, 0 byte(s) reserved 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- AdvNonFatalErr+ CEMsk: RxErr- BadTLP- BadDLLP- Rollover- Timeout- AdvNonFatalErr- AERCap: First Error Pointer: 00, ECRCGenCap+ ECRCGenEn- ECRCChkCap+ ECRCChkEn- MultHdrRecCap- MultHdrRecEn- TLPPfxPres- HdrLogCap- HeaderLog: 00000000 00000000 00000000 00000000 Capabilities: [148 v1] Alternative Routing-ID Interpretation (ARI) ARICap: MFVC- ACS-, Next Function: 1 ARICtl: MFVC- ACS-, Function Group: 0 Capabilities: [150 v1] Device Serial Number 50-7c-6f-ff-ff-3b-78-30 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: 64, Total VFs: 64, Number of VFs: 4, Function Dependency Link: 00 VF offset: 8, stride: 1, Device ID: 1889 Supported Page Size: 00000553, System Page Size: 00000001 Region 0: Memory at 0000201ffd800000 (64-bit, prefetchable) Region 3: Memory at 0000201ffe340000 (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- Capabilities: [1d0 v1] Secondary PCI Express LnkCtl3: LnkEquIntrruptEn- PerformEqu- LaneErrStat: 0 Capabilities: [200 v1] Data Link Feature <?> Capabilities: [210 v1] Physical Layer 16.0 GT/s <?> Capabilities: [250 v1] Lane Margining at the Receiver <?> Kernel driver in use: ice Kernel modules: ice Issue Description: ================== # echo 1 > /sys/class/net/ens2f0/device/sriov_numvfs [ 5734.469217] ice 0000:16:00.0: Enabling 1 VFs [ 5734.574945] pci 0000:16:01.0: [8086:1889] type 00 class 0x020000 [ 5734.574970] pci 0000:16:01.0: enabling Extended Tags [ 5734.575471] pci 0000:16:01.0: Adding to iommu group 443 [ 5734.575718] ice 0000:16:00.0: Only 0 MSI-X interrupts available for SR-IOV. Not enough to support minimum of 2 MSI-X interrupts per VF for 1 VFs [ 5734.575815] ice 0000:16:00.0: Not enough resources for 1 VFs, try with fewer number of VFs [ 5734.576861] pci 0000:16:01.0: Removing from iommu group 443 [ 5734.623292] iavf: Intel(R) Ethernet Adaptive Virtual Function Network Driver [ 5734.623297] Copyright (c) 2013 - 2018 Intel Corporation. [ 5735.598871] ice 0000:16:00.0: Failed to enable SR-IOV: -28 Issue Found: ============ 1> After disable RDMA, the VF creation works fine; from kernel code, the MSIx are preserved by LAN and RDMA based on CPU cores, this will exhauste all available MSIx for larger core systems (some PF port will only have 512 MSIx in total), this doesn't make sense as the default value (at least make sure a few number VFs can be created successfully if NIC support it) 2> When do the MSIx resource reallocation manually, still raise below error, this is some what a strange behavior, it's better to allow such actions by default from kernel: root@npx:~# devlink resource show pci/0000:16:00.0 kernel answers: Operation not supported ** Affects: linux-hwe-5.15 (Ubuntu) Importance: Undecided Status: New ** Tags: bot-comment -- VF cannot creation with large CPU core systems when RDMA enabled with intel ice driver https://bugs.launchpad.net/bugs/2044810 You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-hwe-5.15 in Ubuntu. -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
