Hi Folks,
Can someone provide guidance on why igb probe failed? It is not clear by
code walk why igb_probe
<https://opengrok-evo.juniper.net/source/s?refs=igb_probe&project=ker-linux-v5.15-unified>()
is failing and returning -2.
>>
Jan 06 05:05:44 mclaren-ptx-diags-a1-re1 kernel: pci 0000:0a:00.0: working
around ROM BAR overlap defect
Jan 06 05:05:45 mclaren-ptx-diags-a1-re1 kernel: pci 0000:0a:00.0:
[8086:1538] type 00 class 0x020000
Jan 06 05:05:45 mclaren-ptx-diags-a1-re1 kernel: pci 0000:0a:00.0: reg
0x10: [mem 0x90400000-0x904fffff]
Jan 06 05:05:45 mclaren-ptx-diags-a1-re1 kernel: pci 0000:0a:00.0: reg
0x18: [io 0x1000-0x101f]
Jan 06 05:05:45 mclaren-ptx-diags-a1-re1 kernel: pci 0000:0a:00.0: reg
0x1c: [mem 0x90500000-0x90503fff]
Jan 06 05:05:45 mclaren-ptx-diags-a1-re1 kernel: pci 0000:0a:00.0: reg
0x30: [mem 0x90500000-0x905fffff pref]
Jan 06 05:05:45 mclaren-ptx-diags-a1-re1 kernel: pci 0000:0a:00.0: PME#
supported from D0 D3hot D3cold
Jan 06 05:05:45 mclaren-ptx-diags-a1-re1 kernel: pci 0000:0a:00.0:
of_pci_add_device: re-using pre-set node
@/pci-0000-00/pci-0000-00-17.0/pci-0000-0a-00.0
Jan 06 05:05:45 mclaren-ptx-diags-a1-re1 kernel: pci 0000:0a:00.0: BAR 0:
assigned [mem 0x90400000-0x904fffff]
Jan 06 05:05:45 mclaren-ptx-diags-a1-re1 kernel: pci 0000:0a:00.0: BAR 6:
assigned [mem 0x90500000-0x905fffff pref]
Jan 06 05:05:45 mclaren-ptx-diags-a1-re1 kernel: pci 0000:0a:00.0: BAR 3:
no space for [mem size 0x00004000]
Jan 06 05:05:45 mclaren-ptx-diags-a1-re1 kernel: pci 0000:0a:00.0: BAR 3:
failed to assign [mem size 0x00004000]
Jan 06 05:05:45 mclaren-ptx-diags-a1-re1 kernel: pci 0000:0a:00.0: BAR 2:
assigned [io 0x1000-0x101f]
Jan 06 05:05:45 mclaren-ptx-diags-a1-re1 kernel: bus: 'pci':
__driver_probe_device: matched device 0000:0a:00.0 with driver igb
Jan 06 05:05:45 mclaren-ptx-diags-a1-re1 kernel: bus: 'pci': really_probe:
probing driver igb with device 0000:0a:00.0
Jan 06 05:05:45 mclaren-ptx-diags-a1-re1 kernel: igb: probe of 0000:0a:00.0
failed with error -2
Logs of reference working router (RE0) - similar firmware and configuration.
===============================================================
[vrf:none] root@mclaren-ptx-diags-a1-re0:~# journalctl -b0 | grep 0a:00.0
Jan 05 18:45:27 mclaren-ptx-diags-a1-re0 kernel: pci 0000:0a:00.0: working
around ROM BAR overlap defect
Jan 05 18:45:27 mclaren-ptx-diags-a1-re0 kernel: pci 0000:0a:00.0:
[8086:1538] type 00 class 0x020000
Jan 05 18:45:27 mclaren-ptx-diags-a1-re0 kernel: pci 0000:0a:00.0: reg
0x10: [mem 0x90400000-0x904fffff]
Jan 05 18:45:27 mclaren-ptx-diags-a1-re0 kernel: pci 0000:0a:00.0: reg
0x18: [io 0x1000-0x101f]
Jan 05 18:45:27 mclaren-ptx-diags-a1-re0 kernel: pci 0000:0a:00.0: reg
0x1c: [mem 0x90500000-0x90503fff]
Jan 05 18:45:27 mclaren-ptx-diags-a1-re0 kernel: pci 0000:0a:00.0: reg
0x30: [mem 0xfff00000-0xffffffff pref]
Jan 05 18:45:27 mclaren-ptx-diags-a1-re0 kernel: pci 0000:0a:00.0: PME#
supported from D0 D3hot D3cold
Jan 05 18:45:27 mclaren-ptx-diags-a1-re0 kernel: pci 0000:0a:00.0: can't
claim BAR 6 [mem 0xfff00000-0xffffffff pref]: no compatible bridge window
Jan 05 18:45:27 mclaren-ptx-diags-a1-re0 kernel: pci 0000:0a:00.0: BAR 6:
no space for [mem size 0x00100000 pref]
Jan 05 18:45:27 mclaren-ptx-diags-a1-re0 kernel: pci 0000:0a:00.0: BAR 6:
failed to assign [mem size 0x00100000 pref]
Jan 05 18:45:27 mclaren-ptx-diags-a1-re0 kernel: igb 0000:0a:00.0: added
PHC on eth0
Jan 05 18:45:27 mclaren-ptx-diags-a1-re0 kernel: igb 0000:0a:00.0: Intel(R)
Gigabit Ethernet Network Connection
Jan 05 18:45:27 mclaren-ptx-diags-a1-re0 kernel: igb 0000:0a:00.0: eth0:
(PCIe:2.5Gb/s:Width x1) 00:a0:c9:00:00:00
Jan 05 18:45:27 mclaren-ptx-diags-a1-re0 kernel: igb 0000:0a:00.0: eth0:
PBA No: 000500-000
Jan 05 18:45:27 mclaren-ptx-diags-a1-re0 kernel: igb 0000:0a:00.0: Using
MSI-X interrupts. 4 rx queue(s), 4 tx queue(s)
Jan 05 18:45:27 mclaren-ptx-diags-a1-re0 kernel: igb 0000:0a:00.0 eth0:
igb: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX/TX
Jan 05 18:45:32 mclaren-ptx-diags-a1-re0 kernel: igb 0000:0a:00.0 eth0:
igb: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX/TX
Jan 05 18:45:39 mclaren-ptx-diags-a1-re0 kernel: igb 0000:0a:00.0 eth0:
igb: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX/TX
[vrf:none] root@mclaren-ptx-diags-a1-re0:~# lspci -vvvv -s 0a:00.0
0a:00.0 Ethernet controller: Intel Corporation I210 Gigabit Network
Connection (rev 03)
Physical Slot: 11
Device tree node:
/sys/firmware/devicetree/base/pci-0000-00/pci-0000-00-17.0/pci-0000-0a-00.0
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 16
NUMA node: 0
Region 0: Memory at 90400000 (32-bit, non-prefetchable) [size=1M]
Region 2: I/O ports at 1000 [size=32]
Region 3: Memory at 90500000 (32-bit, non-prefetchable) [size=16K]
Expansion ROM at <ignored> [disabled]
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=5 Masked-
Vector table: BAR=3 offset=00000000
PBA: BAR=3 offset=00002000
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 256 bytes, MaxReadReq 512 bytes
DevSta: CorrErr- NonFatalErr- FatalErr- UnsupReq- AuxPwr+
TransPend-
LnkCap: Port #3, Speed 2.5GT/s, Width x1, ASPM L0s L1, Exit
Latency L0s <2us, L1 <16us
ClockPM- Surprise- LLActRep- BwNot- ASPMOptComp+
LnkCtl: ASPM L1 Enabled; RCB 64 bytes, Disabled- CommClk+
ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
LnkSta: Speed 2.5GT/s (ok), Width x1 (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-
LnkCtl2: Target Link Speed: 2.5GT/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: [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: [140 v1] Device Serial Number 00-a0-c9-ff-ff-00-00-00
Capabilities: [1a0 v1] Transaction Processing Hints
Device specific mode supported
Steering table in TPH capability structure
Kernel driver in use: igb
[vrf:none] root@mclaren-ptx-diags-a1-re0:~# ethtool -i eth0
driver: igb
version: 5.15.164-10.22.33.18-yocto-stan
firmware-version: 3.30, 0x8000076e
expansion-rom-version:
bus-info: 0000:0a:00.0
supports-statistics: yes
supports-test: yes
supports-eeprom-access: yes
supports-register-dump: yes
supports-priv-flags: yes
[vrf:none] root@mclaren-ptx-diags-a1-re0:~# ethtool eth0
Settings for eth0:
Supported ports: [ TP ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Supported pause frame use: Symmetric
Supports auto-negotiation: Yes
Supported FEC modes: Not reported
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Advertised pause frame use: Symmetric
Advertised auto-negotiation: Yes
Advertised FEC modes: Not reported
Speed: 1000Mb/s
Duplex: Full
Port: Twisted Pair
PHYAD: 5
Transceiver: internal
Auto-negotiation: on
MDI-X: on (auto)
Supports Wake-on: pumbg
Wake-on: g
Current message level: 0x00000007 (7)
drv probe link
Link detected: yes
>>
Regards,
-sam
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