Hey Bill,

The reason the your 10G adapters aren't getting recognized is because you have 
undefined SFP+ modules in the cage.

0000:07:00.0: setting latency timer to 64 ixgbe 0000:07:00.0: failed to load
because an unsupported SFP+ module type was detected.
ixgbe 0000:07:00.0: Reload the driver after installing a supported module.

Basically this means that you're using SPF+ modules we haven't tested will so 
we don't know how to initialize them.  You might what to pull a new driver from 
source forge and see if they are supported there.  There is also an unsupported 
module option on that driver.  In might help you but it only really enables 
support for un-branded SFP+ module that we recognize (i.e. we at least know 
they won't harm the device, but not necessarily work) but haven't tested.

As for building the driver we don't control what Redhat/Oracle back ports from 
kernel.org into their driver.  You should talk to them if you want to get it to 
work.  Another option would be to use the Source Forge driver like I mentioned 
above, the latest driver should build in your environment since it is basically 
the kernel.org driver with kcompat code.  We control that driver much like the 
kernel.org driver. :)

Thanks,
-Don Skidmore <donald.c.skidm...@intel.com>

> -----Original Message-----
> From: Yoder, William [mailto:wyo...@bbandt.com]
> Sent: Monday, February 24, 2014 1:20 PM
> To: e1000-de...@lists.sf.net
> Subject: [E1000-devel] Unable to use 10GB NIC cards
> 
> Hi, Folks:
> 
> We'd like to use 10GB interfaces to enable fast interconnects between two
> Oracle servers.  However, we've hit a couple problems as follows:
> 
> Date:                                   02/24/2014
> Problem statement:  Cannot access either of a pair of 10GB NIC Fiber cards
> with SFPs attached.
> Machine:             HP ProLiant DL560 Gen8
> Kernel:                 RHEL 6.5 2.6.32-431.3.1.el6.x86_64
> Driver:                  /lib/modules/2.6.32-
> 431.3.1.el6.x86_64/kernel/drivers/net/ixgbe/ixgbe.ko
> Problem:              I cannot get these cards to be recognized by the kernel.
> Error Message:  From /var/log/dmesg
> 
> ixgbe: Intel(R) 10 Gigabit PCI Express Network Driver - version 3.15.1-k
> ixgbe: Copyright (c) 1999-2013 Intel Corporation.
>   alloc irq_desc for 26 on node 0
>   alloc kstat_irqs on node 0
> alloc irq_2_iommu on node 0
> ixgbe 0000:07:00.0: PCI INT A -> GSI 26 (level, low) -> IRQ 26 ixgbe
> 0000:07:00.0: setting latency timer to 64 ixgbe 0000:07:00.0: failed to load
> because an unsupported SFP+ module type was detected.
> ixgbe 0000:07:00.0: Reload the driver after installing a supported module.
> ixgbe 0000:07:00.0: PCI INT A disabled
> 
> Problem #2 Statement:   We cannot build a fresh version of ixgbe kernel
> module.
> Build environment: gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-4) Support files:
> /usr/src/kernels/2.6.32-431.3.1.el6.x86_64/
> Error messages are of this form:
> # cd ixgbe-3.18.7/src
> # make
> make -C /lib/modules/2.6.32-431.3.1.el6.x86_64/build SUBDIRS=/root/ixgbe-
> 3.18.7src modules
> make[1]: Entering directory `/usr/src/kernels/2.6.32-431.3.1.el6.x86_64'
>   CC [M]  /root/ixgbe-3.18.7/src/ixgbe_main.o
> In file included from /root/ixgbe-3.18.7/src/ixgbe_osdep.h:41,
>                  from /root/ixgbe-3.18.7/src/ixgbe_type.h:69,
>                  from /root/ixgbe-3.18.7/src/ixgbe_dcb.h:32,
>                  from /root/ixgbe-3.18.7/src/ixgbe.h:51,
>                  from /root/ixgbe-3.18.7/src/ixgbe_main.c:54:
> /root/ixgbe-3.18.7/src/kcompat.h:3491: error: conflicting types for
> ânetdev_feaures_tâ
> include/linux/netdevice.h:854: note: previous declaration of
> ânetdev_features_t was here
> 
> It probably shouldn't be necessary to build the kernel driver at all.  
> However,
> we're unable to get the stock RHEL driver to work.  Your perspective would
> be appreciated.
> 
> Thanks!
> 
> Bill Yoder
> wyo...@bbandt.com<mailto:wyo...@bbandt.com>
> 3200 Beechleaf Court, Suite 300
> Raleigh, NC 27604-1085
> 919-745-5733
> 
> 
> 
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