Description of problem:

The ixgbe driver reports error when driver is loaded with parameter max_vfs=1 
Original source  -  Bug 566027. 
 

Steps to Reproduce:
1.Install RHEL5.6 on  a blade server having Intel82599 Ethernet Card( SRIOV )
2. Load the ixgbe module with parameter max_vfs=1.
3. Check the dmesg for error - 
ixgbe 0000:07:00.1: not enough MMIO resources for SR-IOV
ixgbe: 0000:07:00.1: ixgbe_probe_vf: Failed to enable PCI sriov: -12

  
Actual results:
ixgbe: Intel(R) 10 Gigabit PCI Express Network Driver - version 2.0.84-k2
ixgbe: Copyright (c) 1999-2010 Intel Corporation.
PCI: Enabling device 0000:07:00.0 (0000 -> 0002)
ACPI: PCI Interrupt 0000:07:00.0[B] -> GSI 50 (level, low) -> IRQ 146
PCI: Setting latency timer of device 0000:07:00.0 to 64
ixgbe 0000:07:00.0: not enough MMIO resources for SR-IOV
ixgbe: 0000:07:00.0: ixgbe_probe_vf: Failed to enable PCI sriov: -12
ixgbe: 0000:07:00.0: ixgbe_init_interrupt_scheme: Multiqueue Enabled: Rx Queue count = 24, Tx Queue count = 24
ixgbe: 0000:07:00.0: ixgbe_probe: (PCI Express:5.0Gb/s:Width x8) 00:1b:21:6b:bc:90
ixgbe: 0000:07:00.0: ixgbe_probe: MAC: 2, PHY: 0, PBA No: e90209-006
ixgbe: eth0: ixgbe_probe: Intel(R) 10 Gigabit Network Connection
PCI: Enabling device 0000:07:00.1 (0000 -> 0002)
ACPI: PCI Interrupt 0000:07:00.1[A] -> GSI 40 (level, low) -> IRQ 163
PCI: Setting latency timer of device 0000:07:00.1 to 64
ixgbe 0000:07:00.1: not enough MMIO resources for SR-IOV
ixgbe: 0000:07:00.1: ixgbe_probe_vf: Failed to enable PCI sriov: -12
ixgbe: 0000:07:00.1: ixgbe_init_interrupt_scheme: Multiqueue Enabled: Rx Queue count = 24, Tx Queue count = 24
ixgbe: 0000:07:00.1: ixgbe_probe: (PCI Express:5.0Gb/s:Width x8) 00:1b:21:6b:bc:92
ixgbe: 0000:07:00.1: ixgbe_probe: MAC: 2, PHY: 0, PBA No: e90209-006
ixgbe: eth1: ixgbe_probe: Intel(R) 10 Gigabit Network Connection

Expected results:
Once the module is loaded as `modprobe ixgbe max_vfs=1` 
A new virtual interface should be created for each physical interface.