_Testing issues_

Branch: tags/v20.11

28596f9ebca8e04f6711458839629960afcc6091 --> testing fail

Test environment and result as below:

+-----------------------------+----------+
|         Environment         | abi_test |
+=============================+==========+
| Ubuntu 20.04 ARM GCC Native | PASS     |
+-----------------------------+----------+
| RHEL8                       | PASS     |
+-----------------------------+----------+
| Fedora 31                   | PASS     |
+-----------------------------+----------+
| Ubuntu 20.04                | PASS     |
+-----------------------------+----------+
| Fedora 34 clang             | FAIL     |
+-----------------------------+----------+
| RHEL 7                      | PASS     |
+-----------------------------+----------+
| Ubuntu 18.04                | PASS     |
+-----------------------------+----------+
| Fedora 32                   | PASS     |
+-----------------------------+----------+
| openSUSE Leap 15            | FAIL     |
+-----------------------------+----------+
| Fedora 33                   | PASS     |
+-----------------------------+----------+
| Fedora 34                   | FAIL     |
+-----------------------------+----------+

==== 20 line log output for Fedora 34 (abi_test): ====
[C] 'function int rte_intr_allow_others(rte_intr_handle*)' at eal_interrupts.c:1536:1 has some indirect sub-type changes:
parameter 1 of type 'rte_intr_handle*' has sub-type changes:
in pointed to type 'struct rte_intr_handle' at rte_eal_interrupts.h:69:1:
type size hasn't changed
1 data member deletion:
'union {struct {union {int vfio_dev_fd; int uio_cfg_fd;}; int fd;}; void* handle;}', at offset 0 (in bits)
no data member change (1 filtered);

[C] 'function int rte_intr_callback_unregister(const rte_intr_handle*, rte_intr_callback_fn, void*)' at rte_interrupts.h:69:1 has some indirect sub-type changes:
parameter 1 of type 'const rte_intr_handle*' has sub-type changes:
in pointed to type 'const rte_intr_handle':
in unqualified underlying type 'struct rte_intr_handle' at rte_eal_interrupts.h:69:1:
type size hasn't changed
1 data member deletion:
'union {struct {union {int vfio_dev_fd; int uio_cfg_fd;}; int fd;}; void* handle;}', at offset 0 (in bits)

Error: ABI issue reported for 'abidiff --suppr dpdk/devtools/libabigail.abignore --no-added-syms --headers-dir1 reference/include --headers-dir2 build_install/include reference/dump/librte_eal.dump build_install/dump/librte_eal.dump'

ABIDIFF_ABI_CHANGE, this change requires a review (abidiff flagged this as a potential issue).

==== End log output ====

Ubuntu 20.04 ARM GCC Native
	Kernel: 5.4.0-53-generic
	Compiler: gcc 9.3

RHEL8
	Kernel: 4.18.0-240.10.1.el8_3.x86_64
	Compiler: gcc 8.3.1 20191121 (Red Hat 8.3.1-5)

Fedora 31
	Kernel: 4.18.0-240.10.1.el8_3.x86_64
	Compiler: gcc 9.3.1

Ubuntu 20.04
	Kernel: 4.18.0-240.10.1.el8_3.x86_64
	Compiler: gcc 9.3.0-17ubuntu1~20.04

Fedora 34 clang
	Kernel: 5.4.0-72-generic
	Compiler: clang 12.0.0 (Fedora 12.0.0-0.3.rc1.fc34)

RHEL 7
	Kernel: 4.18.0-240.10.1.el8_3.x86_64
	Compiler: gcc 4.8.5 20150623 (Red Hat 4.8.5-44)

Ubuntu 18.04
	Kernel: 4.18.0-240.10.1.el8_3.x86_64
	Compiler: gcc 7.5.0-3ubuntu1~18.04

Fedora 32
	Kernel: 4.18.0-240.10.1.el8_3.x86_64
	Compiler: gcc 10.2.1

openSUSE Leap 15
	Kernel: 4.18.0-240.10.1.el8_3.x86_64
	Compiler: gcc 7.5.0

Fedora 33
	Kernel: 5.4.0-72-generic
	Compiler: gcc 10.3.1 20210422 (Red Hat 10.3.1-1)

Fedora 34
	Kernel: 5.4.0-72-generic
	Compiler: gcc 11.1.1 20210428 (Red Hat 11.1.1-1)

To view detailed results, visit:
https://lab.dpdk.org/results/dashboard/tarballs/21156/

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