Re: PCIe NVME drives not detected on Dell R6515

Can you send me the output of ‘pciconf -llv’, either in 12-STABLE or 13-CURRENT?  Also, can you send me the output of ‘dmesg’?

Thanks,
Scott


> On Apr 17, 2020, at 5:23 AM, Miroslav Lachman <000.fbsd_at_quip.cz> wrote:
> 
> I already asked on stable_at_ but as I tried it on 13-CURRENT with the same result I am trying to ask for help here.
> 
> I have rented dedicated server Dell PowerEdge R6515 with iDRAC access only.
> There are 2 NVME drives which I wanted to use as ZFS root pool.
> 
> They are shown in iDRAC
> 
> Device Description:   PCIe SSD in Slot 1 in Bay 1
> Device Protocol:      NVMe-MI1.0
> Model:                Dell Express Flash NVMe P4510 1TB SFF
> Bus:                  130
> Manufacturer:         INTEL
> Product ID:           a54
> Revision:             VDV1DP23
> Enclosure:            PCIe SSD Backplane 1
> 
> 
> pciconf -l show many things, some of them are named "noneN_at_pci..." but none "nvme"
> 
> The is printscreen (12.1 but 13-CURRENT is the same)
> 
> https://ibb.co/tPnymL7
> 
> But I booted Linux SystemRescueCd and nvme devices are there visible in /dev/
> https://ibb.co/sj22Nwg
> 
> There is verbose output of Linux lspci https://ibb.co/dPZTwV1
> 
> Linux dmesg contains:
> nvme nvme0: pci function 0000:81:00.0
> nvme nvme1: pci function 0000:82:00.0
> nvme nvme0: 32/0/0 default/read/poll queues
> nvme nvme1: 32/0/0 default/read/poll queues
> 
> 
> The machine is Dell PowerEdge R6515 with AMD EPYC 7302P
> 
> 
> More details extracted from iDRAC web interface
> 
> I found this informations
> 
> PCIe SSD in Slot 1 in Bay 1
> Bus:   82
> BusProtocol:  PCIE
> Device:  0
> DeviceDescription:  PCIe SSD in Slot 1 in Bay 1
> DeviceProtocol:  NVMe-MI1.0
> DeviceType:  PCIeSSD
> DriveFormFactor:  2.5 inch
> FailurePredicted:  NO
> FQDD:  Disk.Bay.1:Enclosure.Internal.0-1
> FreeSizeInBytes:  Information Not Available
> Function:  0
> HotSpareStatus:  Information Not Available
> InstanceID:  Disk.Bay.1:Enclosure.Internal.0-1
> Manufacturer:  INTEL
> MaximumCapableSpeed:  8 GT/s
> MediaType:  Solid State Drive
> Model:  Dell Express Flash NVMe P4510 1TB SFF
> NegotiatedSpeed:  8 GT/s
> PCIeCapableLinkWidth:  x4
> PCIeNegotiatedLinkWidth:  x4
> PrimaryStatus:  Ok
> ProductID:  a54
> RaidStatus:  Information Not Available
> RAIDType:  Unknown
> RemainingRatedWriteEndurance:  100 %
> Revision:  VDV1DP23
> SerialNumber:  PHLJxxxxxxWF1PxxxxN
> SizeInBytes:  1000204886016
> Slot:  1
> State:  Ready
> SystemEraseCapability:  CryptographicErasePD
> 
> PCIe SSD in Slot 1 in Bay 1 - PCI Device
> BusNumber:  130
> DataBusWidth:  4x or x4
> Description:  Express Flash NVMe 1.0 TB 2.5" U.2 (P4510)
> DeviceDescription:  PCIe SSD in Slot 1 in Bay 1
> DeviceNumber:  0
> DeviceType:  PCIDevice
> FQDD:  Disk.Bay.1:Enclosure.Internal.0-1
> FunctionNumber:  0
> InstanceID:  Disk.Bay.1:Enclosure.Internal.0-1
> LastSystemInventoryTime:  2020-04-17T03:21:39
> LastUpdateTime:  2020-03-31T13:55:06
> Manufacturer:  Intel Corporation
> PCIDeviceID:  0A54
> PCISubDeviceID:  2003
> PCISubVendorID:  1028
> PCIVendorID:  8086
> SlotLength:  2.5 Inch Drive Form Factor
> SlotType:  PCI Express Gen 3 SFF-8639
> 
> 
> Can anybody shed some light what the real problem is?
> 
> Is the hardware not properly detected or is the driver completely missing?
> 
> NVME PCIe architecture is out of my knowledge.
> 
> I really appreciate any help.
> 
> Kind regards
> Miroslav Lachman
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