[LU-4914] 2.1.6<->2.5.1 interop: sanity test_163: FAIL: kernel->userspace send failed

• Type: Bug
• Resolution: Incomplete
• Priority: Minor
• Affects Version/s: Lustre 2.1.6, Lustre 2.4.3
• Labels: mn1 mn4

Environment

Lustre client build: http://build.whamcloud.com/job/lustre-b2_1/220/ (2.1.6)
Lustre server build: http://build.whamcloud.com/job/lustre-b2_5/42/ (2.5.1)

• Severity: 3
• Assignee: Jian Yu
• Reporter: Jian Yu

Description

sanity test 163 failed as follows:

== sanity test 163: kernel <-> userspace comms ======================================================= 00:58:14 (1397635094)
CMD: client-16vm3 lctl set_param mdt.lustre-MDT0000.mdccomm=5b8cc620-3495-8df3-cfaf-128c07e503ae
client-16vm3: error: set_param: /proc/{fs,sys}/{lnet,lustre}/mdt/lustre-MDT0000/mdccomm: Found no match
 sanity test_163: @@@@@@ FAIL: kernel->userspace send failed

Maloo report: https://maloo.whamcloud.com/test_sets/ee2d5a92-c54c-11e3-98dc-52540035b04c

"mdccomm" parameter was removed by patch http://review.whamcloud.com/6534 since Lustre version 2.4.52. We need add Lustre version check codes into sanity test_163() before version 2.4.52.