[+cc NVMe folks] On Mon, Mar 20, 2023 at 12:58:52PM +0100, Marcin Juszkiewicz wrote: > During last week I had to shuffle some of my NVME drives between > systems. One of those systems is Solidrun Honeycomb which uses > LX2160A SoC. > > The problem is that I am unable to use Samsung PM991 NVME there. > It is 2242 card so probably also DRAMless. Kernel says: > > nvme 0004:01:00.0: Adding to iommu group 4 > nvme nvme0: pci function 0004:01:00.0 > nvme nvme0: missing or invalid SUBNQN field. > nvme nvme0: 1/0/0 default/read/poll queues > nvme 0004:01:00.0: VPD access failed. This is likely a firmware bug on this device. Contact the card vendor for a firmware update > > The SUBNQN part can be handled by adding quirk in nvme/core.c file > but that does not change situation. It also does not appear when > used in x86-64 system. > > Card is visible but only as PCIe device, no NVME block devices. > > lspci says: > > 0004:01:00.0 Non-Volatile memory controller [0108]: Samsung Electronics Co Ltd NVMe SSD Controller 980 [144d:a809] (prog-if 02 [NVM Express]) > Subsystem: Samsung Electronics Co Ltd NVMe SSD Controller 980 [144d:a801] > 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 > Interrupt: pin A routed to IRQ 106 > NUMA node: 0 > IOMMU group: 1 > Region 0: Memory at a400000000 (64-bit, non-prefetchable) [size=16K] > Expansion ROM at a040000000 [disabled] [size=128K] > 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=0 PME- > Capabilities: [50] MSI: Enable- Count=1/32 Maskable- 64bit+ > Address: 0000000000000000 Data: 0000 > Capabilities: [70] Express (v2) Endpoint, MSI 00 > DevCap: MaxPayload 256 bytes, PhantFunc 0, Latency L0s unlimited, L1 unlimited > ExtTag- AttnBtn- AttnInd- PwrInd- RBE+ FLReset+ SlotPowerLimit 15.000W > DevCtl: CorrErr- NonFatalErr- FatalErr- UnsupReq- > RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+ FLReset- > MaxPayload 128 bytes, MaxReadReq 512 bytes > DevSta: CorrErr- NonFatalErr- FatalErr- UnsupReq- AuxPwr- TransPend- > LnkCap: Port #0, Speed 8GT/s, Width x4, ASPM L1, Exit Latency L1 <64us > ClockPM+ Surprise- LLActRep- BwNot- ASPMOptComp+ > LnkCtl: ASPM Disabled; RCB 64 bytes, Disabled- CommClk- > ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- > LnkSta: Speed 8GT/s (ok), Width x4 (ok) > TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt- > DevCap2: Completion Timeout: Range ABCD, TimeoutDis+ NROPrPrP- LTR+ > 10BitTagComp- 10BitTagReq- OBFF Not Supported, ExtFmt- EETLPPrefix- > 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: 2.5-8GT/s, Crosslink- Retimer- 2Retimers- DRS+ > LnkCtl2: Target Link Speed: 8GT/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: [b0] MSI-X: Enable+ Count=13 Masked- > Vector table: BAR=0 offset=00003000 > PBA: BAR=0 offset=00002000 > Capabilities: [d0] Vital Product Data > Not readable > 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] Device Serial Number 00-00-00-00-00-00-00-00 > Capabilities: [158 v1] Power Budgeting <?> > Capabilities: [168 v1] Secondary PCI Express > LnkCtl3: LnkEquIntrruptEn- PerformEqu- > LaneErrStat: 0 > Capabilities: [188 v1] Latency Tolerance Reporting > Max snoop latency: 0ns > Max no snoop latency: 0ns > Capabilities: [190 v1] L1 PM Substates > L1SubCap: PCI-PM_L1.2+ PCI-PM_L1.1+ ASPM_L1.2+ ASPM_L1.1+ L1_PM_Substates+ > PortCommonModeRestoreTime=10us PortTPowerOnTime=10us > L1SubCtl1: PCI-PM_L1.2- PCI-PM_L1.1- ASPM_L1.2- ASPM_L1.1- > T_CommonMode=0us LTR1.2_Threshold=0ns > L1SubCtl2: T_PwrOn=10us > Capabilities: [1a0 v1] Dynamic Power Allocation <?> > Capabilities: [1d0 v1] Readiness Time Reporting <?> > Capabilities: [1dc v1] Vendor Specific Information: ID=0002 Rev=3 Len=100 <?> > Capabilities: [2dc v1] Vendor Specific Information: ID=0001 Rev=1 Len=038 <?> > Capabilities: [314 v1] Precision Time Measurement > PTMCap: Requester:+ Responder:- Root:- > PTMClockGranularity: Unimplemented > PTMControl: Enabled:- RootSelected:- > PTMEffectiveGranularity: Unknown > Capabilities: [320 v1] Vendor Specific Information: ID=0003 Rev=1 Len=054 <?> > Kernel driver in use: nvme > Kernel modules: nvme > > > I am able to use it without issues on my AMD Ryzen 3 3600 system: > > pci 0000:23:00.0: [144d:a809] type 00 class 0x010802 > pci 0000:23:00.0: reg 0x10: [mem 0xfc900000-0xfc903fff 64bit] > pci_bus 0000:23: resource 1 [mem 0xfc900000-0xfc9fffff] > pci 0000:23:00.0: Adding to iommu group 24 > nvme nvme2: pci function 0000:23:00.0 > nvme nvme2: Shutdown timeout set to 8 seconds > nvme nvme2: allocated 64 MiB host memory buffer. > nvme nvme2: 12/0/0 default/read/poll queues > nvme2n1: p1 p2 p3 p4 p5 > > > Here lspci does not mention VPD part at all: > > 23:00.0 Non-Volatile memory controller [0108]: Samsung Electronics Co Ltd NVMe SSD Controller 980 [144d:a809] (prog-if 02 [NVM Express]) > Subsystem: Samsung Electronics Co Ltd Device [144d:a801] > 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: 64 bytes > Interrupt: pin A routed to IRQ 39 > NUMA node: 0 > IOMMU group: 24 > Region 0: Memory at fc900000 (64-bit, non-prefetchable) [size=16K] > 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=0 PME- > Capabilities: [50] MSI: Enable- Count=1/32 Maskable- 64bit+ > Address: 0000000000000000 Data: 0000 > Capabilities: [70] Express (v2) Endpoint, MSI 00 > DevCap: MaxPayload 256 bytes, PhantFunc 0, Latency L0s unlimited, L1 unlimited > ExtTag- AttnBtn- AttnInd- PwrInd- RBE+ FLReset+ SlotPowerLimit 0W > DevCtl: CorrErr+ NonFatalErr+ FatalErr+ UnsupReq+ > RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+ FLReset- > MaxPayload 128 bytes, MaxReadReq 512 bytes > DevSta: CorrErr+ NonFatalErr- FatalErr- UnsupReq+ AuxPwr- TransPend- > LnkCap: Port #0, Speed 8GT/s, Width x4, ASPM L1, Exit Latency L1 <64us > ClockPM+ Surprise- LLActRep- BwNot- ASPMOptComp+ > LnkCtl: ASPM Disabled; RCB 64 bytes, Disabled- CommClk+ > ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- > LnkSta: Speed 8GT/s, Width x4 > TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt- > DevCap2: Completion Timeout: Range ABCD, TimeoutDis+ NROPrPrP- LTR+ > 10BitTagComp- 10BitTagReq- OBFF Not Supported, ExtFmt- EETLPPrefix- > EmergencyPowerReduction Not Supported, EmergencyPowerReductionInit- > FRS- TPHComp- ExtTPHComp- > AtomicOpsCap: 32bit- 64bit- 128bitCAS- > DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis- LTR+ 10BitTagReq- OBFF Disabled, > AtomicOpsCtl: ReqEn- > LnkCap2: Supported Link Speeds: 2.5-8GT/s, Crosslink- Retimer- 2Retimers- DRS- > LnkCtl2: Target Link Speed: 8GT/s, EnterCompliance- SpeedDis- > Transmit Margin: Normal Operating Range, EnterModifiedCompliance- ComplianceSOS- > Compliance Preset/De-emphasis: -6dB de-emphasis, 0dB preshoot > LnkSta2: Current De-emphasis Level: -3.5dB, EqualizationComplete+ EqualizationPhase1+ > EqualizationPhase2+ EqualizationPhase3+ LinkEqualizationRequest- > Retimer- 2Retimers- CrosslinkRes: unsupported > Capabilities: [b0] MSI-X: Enable+ Count=13 Masked- > Vector table: BAR=0 offset=00003000 > PBA: BAR=0 offset=00002000 > 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] Device Serial Number 00-00-00-00-00-00-00-00 > Capabilities: [158 v1] Power Budgeting <?> > Capabilities: [168 v1] Secondary PCI Express > LnkCtl3: LnkEquIntrruptEn- PerformEqu- > LaneErrStat: 0 > Capabilities: [188 v1] Latency Tolerance Reporting > Max snoop latency: 1048576ns > Max no snoop latency: 1048576ns > Capabilities: [190 v1] L1 PM Substates > L1SubCap: PCI-PM_L1.2+ PCI-PM_L1.1+ ASPM_L1.2+ ASPM_L1.1+ L1_PM_Substates+ > PortCommonModeRestoreTime=10us PortTPowerOnTime=10us > L1SubCtl1: PCI-PM_L1.2- PCI-PM_L1.1- ASPM_L1.2- ASPM_L1.1- > T_CommonMode=0us LTR1.2_Threshold=32768ns > L1SubCtl2: T_PwrOn=10us > Kernel driver in use: nvme > Kernel modules: nvme > > > Any idea what can be wrong? Other than usual "it is fault of > used PCI Express implementation". > > NOTE: Honeycomb does not expose root ports to the OS.
