ivshmem target may cause hugepage allocation to fail.

[sean mooney]

using the ivshmem dpdk build target may intermitently cause the following error

>>
EAL: 25568 hugepages of size 2097152 reserved, but no mounted hugetlbfs found for that size
EAL: VFIO modules not all loaded, skip VFIO support...
EAL: Searching for IVSHMEM devices...
EAL: No IVSHMEM configuration found!
EAL: Setting up memory...
EAL: Ask a virtual area of 0x3c0000000 bytes
EAL: Virtual area found at 0x7fcbc0000000 (size = 0x3c0000000)
EAL: Segment sanity check failed: wrong physaddr at 0x7fcc80000000 (offset 0xc0000000: 0x29c0000000 (expected 0x14c0000000)
EAL: Failed to remap 1024 MB pages
PANIC in rte_eal_init():
Cannot init memory
7: [/usr/sbin/ovs-vswitchd() [0x4082f3]]
6: [/lib64/libc.so.6(__libc_start_main+0xf0) [0x7fd0099a8fe0]]
5: [/usr/sbin/ovs-vswitchd() [0x407329]]
4: [/usr/sbin/ovs-vswitchd() [0x67ac17]]
3: [/usr/sbin/ovs-vswitchd() [0x52214e]]
2: [/usr/sbin/ovs-vswitchd() [0x406442]]
1: [/usr/sbin/ovs-vswitchd() [0x48bf86]]
>>

to avoid this edge case in the ci the default RTE_TARGET should be change to x86_64-native-linuxapp-gcc

[sean mooney (sean-k-mooney)]

review https://review.openstack.org/246375

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/246375
Committed: https://git.openstack.org/cgit/openstack/networking-ovs-dpdk/commit/?id=76854d0223729ecd6ef08e486ee3670bb0a3b354
Submitter: Jenkins
Branch: master

commit 76854d0223729ecd6ef08e486ee3670bb0a3b354
Author: Sean Mooney <email address hidden>
Date: Tue Nov 17 13:06:19 2015 +0000

    Updated default RTE_TARGET

    - set default RTE_TARGET to x86_64-native-linuxapp-gcc to pervent
      EAL: Segment sanity check failed: wrong physaddr at 0x7fcc80000000
      (offset 0xc0000000: 0x29c0000000 (expected 0x14c0000000) error.

    Change-Id: I2eb5aa0c11f7efdc9ad93c4e66e61ca522255277
    Closes-Bug: #1517032