a problem with 82599 using SR-IOV in linux

[idata]

Hi,

Now I am doing test about sr-iov. I can setup vfs using 82576 and pass it to VMs with xen 3.2 and kernel 18 in CENTOS 5.4. However, when I change it to 82599, no VF appears any more. If I use "dmesg" to see what happens, it displays "not enough MMIO resource for SR-IOV" . First ,we think that it may be caused by the OS, but we have tried several OS including Centos 5.4(i386 and X64),5.6, REDHAT 5.5,5.6 and the problem remains.Now we really don't know what's the problem.Thanks very much!

If anyone happen to know what to do with it, I hope you can give me a hand.

[idata]

Patrick,

One last questions (for now):

Is there a good guide for the parameters that I can pass to the igb and igbvf drivers?

Thank you very much for your help.

[Patrick_K_Intel1]

The readme has some of them. I also came across this:

http://www.intel.com/support/network/adapter/pro100/sb/CS-032498.htm# parameters_igb http://www.intel.com/support/network/adapter/pro100/sb/CS-032498.htm# parameters_igb

[idata]

Patrick,

thank you for your answer.

I was using that guide (your link). It may be helpful to others noting that the max_vfs parameter should be specified for each port, therefore it needs to multiple numbers in applications that expect to create VFs on more than one port.

Thank you for your help.