I am attempting to get an X520-SR2 card to work in an Intel 1RU system using
the S2600WT2 server board (aka Wildcat Pass). It works great in Centos 7.
Sadly I need to get the ixgbe driver to work in our old creaky 2.6.18-128 based
kernel-- basically the RHEL 5.3 srpm with a few patches.
I know this is not a supported kernel tested by you developers, but if anybody
has seen this before and is feeling generous, any help would be appreciated.
And heck, we're trying to buy Intel cards and Intel servers, so maybe in
addition pleading for mercy there might be a bit of mutual interest for at
least some of the maintainers.
I've tried with the 3.23.2 version from sourceforge (after fixing oops I
reported in bug 465). I've also tried 2.0.84.11 on the theory that we don't
need X540 (yet) and that something older would be more likely to work with
older kernels.
With no instrumentation the symptoms are misleading:
* 3.23.2 complains that "Driver can't access the Eeprom - SMBI Semaphore not
granted."
* 2.0.84.11 complains that SFP+ module is not supported (a head scratcher at
first since we bought it from Intel and it works on Centos).
After turning on various debug options and embracing printk, those are just
symptoms of not being able to read registers from the card. I think something
is wrong with setting up access to PCIe register space-- either in the driver
itself or in the driver interactions with the PCI subsystem. Here's
instrumented output following modprobe:
Intel(R) 10 Gigabit PCI Express Network Driver - version 3.23.2-experimental
Copyright (c) 1999-2014 Intel Corporation.
PCI: Enabling device 0000:81:00.0 (0140 -> 0143)
ACPI: PCI Interrupt 0000:81:00.0[A] -> GSI 56 (level, low) -> IRQ 154
ixgbe_set_mac_type
ixgbe_set_mac_type found mac: 2, returns: 0
PCI: Setting latency timer of device 0000:81:00.0 to 64
ixgbe_init_shared_code
ixgbe_set_mac_type
ixgbe_set_mac_type found mac: 2, returns: 0
ixgbe_init_ops_82599
ixgbe_init_phy_ops_generic
ixgbe_init_ops_generic (I moved DEBUGFUNC before IXGBE_READ_REG)
ixgbe_read_reg called reg_addr=ffffc20010200000 reg=10010
ixgbe_read_reg failed. reg_addr=ffffc20010200000 reg=10010
ixgbe_read_reg failed. reg_addr=ffffc20010200000 reg=8
IXGBE_STATUS failed previously. hw_addr=ffffc20010200000
ixgbe 0000:81:00.0: Adapter removed
After ixgbe_probe sets up hw->hw_addr, the very first call to ixgbe_read_reg(),
in ixgbe_init_ops_generic where it calls IXGBE_READ_REG(hw, IXGBE_EEC) the read
fails. It then proceeds to try to read IXGBE_STATUS which fails too, making it
look like the card has been removed. Bad stuff follows.
Sound familiar? Any hints? I've also copied the lspci -vvv output for the
card below.
Thanks,
Eric
81:00.0 Ethernet controller: Intel Corporation Unknown device 10fb (rev 01)
Subsystem: Intel Corporation Unknown device 0003
Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr+
Stepping- SERR+ FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
Interrupt: pin A routed to IRQ 154
Region 0: Memory at 387fffd80000 (64-bit, prefetchable) [disabled]
[size=512K]
Region 2: I/O ports at 8020 [disabled] [size=32]
Region 4: Memory at 387fffe04000 (64-bit, prefetchable) [disabled]
[size=16K]
Capabilities: [40] Power Management version 3
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA
PME(D0+,D1-,D2-,D3hot+,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=1 PME-
Capabilities: [50] Message Signalled Interrupts: Mask+ 64bit+ Queue=0/0
Enable-
Address: 0000000000000000 Data: 0000
Masking: 00000000 Pending: 00000000
Capabilities: [70] MSI-X: Enable- Mask- TabSize=64
Vector table: BAR=4 offset=00000000
PBA: BAR=4 offset=00002000
Capabilities: [a0] Express Endpoint IRQ 0
Device: Supported: MaxPayload 512 bytes, PhantFunc 0, ExtTag-
Device: Latency L0s <512ns, L1 <64us
Device: AtnBtn- AtnInd- PwrInd-
Device: Errors: Correctable- Non-Fatal+ Fatal+ Unsupported-
Device: RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+
Device: MaxPayload 256 bytes, MaxReadReq 512 bytes
Link: Supported Speed unknown, Width x8, ASPM L0s, Port 0
Link: Latency L0s <1us, L1 <8us
Link: ASPM Disabled RCB 64 bytes CommClk+ ExtSynch-
Link: Speed unknown, Width x8
Capabilities: [100] Advanced Error Reporting
Capabilities: [140] Device Serial Number d0-ac-7f-ff-ff-ba-e2-90
Capabilities: [150] Unknown (14)
Capabilities: [160] Unknown (16)
81:00.1 Ethernet controller: Intel Corporation Unknown device 10fb (rev 01)
Subsystem: Intel Corporation Unknown device 0003
Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr+
Stepping- SERR+ FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
Interrupt: pin B routed to IRQ 162
Region 0: Memory at 387fffd00000 (64-bit, prefetchable) [disabled]
[size=512K]
Region 2: I/O ports at 8000 [disabled] [size=32]
Region 4: Memory at 387fffe00000 (64-bit, prefetchable) [disabled]
[size=16K]
Capabilities: [40] Power Management version 3
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA
PME(D0+,D1-,D2-,D3hot+,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=1 PME-
Capabilities: [50] Message Signalled Interrupts: Mask+ 64bit+ Queue=0/0
Enable-
Address: 0000000000000000 Data: 0000
Masking: 00000000 Pending: 00000000
Capabilities: [70] MSI-X: Enable- Mask- TabSize=64
Vector table: BAR=4 offset=00000000
PBA: BAR=4 offset=00002000
Capabilities: [a0] Express Endpoint IRQ 0
Device: Supported: MaxPayload 512 bytes, PhantFunc 0, ExtTag-
Device: Latency L0s <512ns, L1 <64us
Device: AtnBtn- AtnInd- PwrInd-
Device: Errors: Correctable- Non-Fatal+ Fatal+ Unsupported-
Device: RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+
Device: MaxPayload 256 bytes, MaxReadReq 512 bytes
Link: Supported Speed unknown, Width x8, ASPM L0s, Port 0
Link: Latency L0s <1us, L1 <8us
Link: ASPM Disabled RCB 64 bytes CommClk+ ExtSynch-
Link: Speed unknown, Width x8
Capabilities: [100] Advanced Error Reporting
Capabilities: [140] Device Serial Number d0-ac-7f-ff-ff-ba-e2-90
Capabilities: [150] Unknown (14)
Capabilities: [160] Unknown (16)
------------------------------------------------------------------------------
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