Created attachment 1133806 [details]
kdump NFS fail logs

Description of problem:
kdump NFS test fails with "eth0: Detected Hardware Unit Hung" however succeeds when tested manually.

Version-Release number of selected component (if applicable):
redhat-certification2.0-20151117

How reproducible:
Repeatedly
> Re-run Kdump nfs individually for 13 times in all, got 3 PASS results. (3/13) 

Steps to Reproduce:
1.Load BIOS default and set to UEFI mode
2.Install RHEL6U7 for cert test
3.Install redhat-certification2.0-20151117 , setup test environment
4.Run cert test with OS embedded driver and found output "eth0: Detected Hardware Unit Hung" repeatly on the screen after reboot during kdump nfs test.    System could boot into OS after NIC reset several times
 5.kdump nfs test failed

[Verification]
1.Update NIC driver to e1000e-3.2.6-k (Intel NIC driver for I219-LM), still got the failed result
2. Ran Certification with same configuration under RHEL7.2, passed

Environment :
 System:
    Mfr:  HPE
    Prod: ML10Gen9
 PCH					: Intel Skylake-S (c236)
 Processor Info				: Intel Greenlow / SR2CT/ E3-1275 R5 4c 3.6GHz 80w
 Memory info
 	DIMM #1				        : Hynix 8GB 2RX8 PC4-2133P-EE0-10
 	DIMM #2				: Hynix 8GB 2RX8 PC4-2133P-EE0-10
 	DIMM #3				: Hynix 8GB 2RX8 PC4-2133P-EE0-10
	DIMM #4				: Hynix 8GB 2RX8 PC4-2133P-EE0-10
 Boot Controller 			:  AHCI
 BIOS                                   :  AMI source code (RC code 1.6.0.1)
 ME                                     :  11.0.0.1194
 LOM-I219_eeprom                        :  v0.8
 ~~~

Actual results:
NFS test fails. attached "redhat6u7_Kdump_nfs_FAIL_log.zip"

Expected results:
NFS test should pass as it works when tested manually.

Additional info:
System does not have serial port, so providing console logs won't be possible.

Opening the Bugzilla as per advise from hardware certification team.