https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=221967
Bug ID: 221967
Summary: ixgbe(4) driver for Intel 82598 chip fails to attach
if used 10G-SR SFP+ with message "ix0 attach returned
5"
Product: Base System
Version: CURRENT
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: freebsd-bugs@FreeBSD.org
Reporter: a...@freebsd.org
Created attachment 185963
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=185963&action=edit
some debuginfo from ipmi console
We have several INTEL-E10G42AFDA cards that worked well with Twinax cable, but
driver fails to attach if 10G-SR SFP plugged.
The output from patched driver:
% pciconf -l | grep 0x0200
ix0@pci0:4:0:0: class=0x020000 card=0xa21f8086 chip=0x10f18086 rev=0x01
hdr=0x00
ix1@pci0:4:0:1: class=0x020000 card=0xa21f8086 chip=0x10f18086 rev=0x01
hdr=0x00
ix2@pci0:7:0:0: class=0x020000 card=0x00038086 chip=0x10fb8086 rev=0x01
hdr=0x00
ix3@pci0:7:0:1: class=0x020000 card=0x00038086 chip=0x10fb8086 rev=0x01
hdr=0x00
% grep ^ix /var/run/dmesg.boot
ix0: <Intel(R) PRO/10GbE PCI-Express Network Driver, Version - 3.1.0> port
0x7020-0x703f mem
0xdf720000-0xdf73ffff,0xdf6c0000-0xdf6fffff,0xdf744000-0xdf747fff irq 32 at
device 0.0 on pci4
ix0: Using MSIX interrupts with 8 vectors
ix0: Ethernet address: 00:1b:21:6c:e1:8f
ix0: PCI Express Bus: Speed 2.5GT/s Width x8
ix0: netmap queues/slots: TX 7/2048, RX 7/2048
ix1: <Intel(R) PRO/10GbE PCI-Express Network Driver, Version - 3.1.0> port
0x7000-0x701f mem
0xdf700000-0xdf71ffff,0xdf640000-0xdf67ffff,0xdf740000-0xdf743fff irq 36 at
device 0.1 on pci4
ix1: Using MSIX interrupts with 8 vectors
ix1: Ethernet address: 00:1b:21:6c:e1:8e
ix1: PCI Express Bus: Speed 2.5GT/s Width x8
ix1: netmap queues/slots: TX 7/2048, RX 7/2048
ix2: <Intel(R) PRO/10GbE PCI-Express Network Driver, Version - 3.1.0> port
0x6020-0x603f mem 0xde680000-0xde6fffff,0xde704000-0xde707fff irq 42 at device
0.0 on pci7
ix2: Using MSIX interrupts with 8 vectors
ix2: Ethernet address: 90:e2:ba:2b:52:ac
ix2: PCI Express Bus: Speed 5.0GT/s Width x8
ix2: netmap queues/slots: TX 7/2048, RX 7/2048
ix3: <Intel(R) PRO/10GbE PCI-Express Network Driver, Version - 3.1.0> port
0x6000-0x601f mem 0xde600000-0xde67ffff,0xde700000-0xde703fff irq 45 at device
0.1 on pci7
ix3: Using MSIX interrupts with 8 vectors
ix3: Ethernet address: 90:e2:ba:2b:52:ad
ix3: PCI Express Bus: Speed 5.0GT/s Width x8
ix3: netmap queues/slots: TX 7/2048, RX 7/2048
ix0: link state changed to UP
ix2: link state changed to UP
ix3: link state changed to UP
ix1: link state changed to UP
All cards use the same SFP modules
plugged: SFP/SFP+/SFP28 10G Base-SR (LC)
vendor: Upnet PN: SFP+-10G-SR SN: SB3A680013 DATE: 2011-03-14
but 82598 card fails to attach it with message:
ix0: Unsupported SFP+ Module
device_attach: ix0 attach returned 5
I did some debugging to determine where the driver fails. The fail is in
ixgbe_get_sfp_init_sequence_offsets() function. As I understand, there should
be some values correspoinding to sfp_type, but in the table only one value,
that doesn't match.
I modifed the driver that it thinks that SFP module has ixgbe_sfp_type_da_cu
type, and after that it successful attached and works, but of course an
information about SFP is unavailable:
% ifconfig -v ix0
ix0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 9000
options=8100bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,VLAN_HWFILTER>
ether 00:1b:21:6c:e1:8f
inet6 fe80::21b:21ff:fe6c:e18f%ix0 prefixlen 64 scopeid 0x3
nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
media: Ethernet autoselect (10Gbase-Twinax
<full-duplex,rxpause,txpause>)
status: active
Also there is another version of patch, that seems solves the same issue, but I
didn't test it.
http://www.grosbein.net/freebsd/patches/patch-if_ix.c
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