[LU-4270] Interop 2.5.0<->2.6 failure on test suite sanity test_209: open/close requests are not freed

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.6.0, Lustre 2.5.1
• Affects Version/s: Lustre 2.5.0, Lustre 2.6.0
• Environment: server: 2.5.0 RHEL6 ldiskfs; client: lustre-master build # 1751 RHEL6 ldiskfs
• Severity: 3
• Assignee: Niu Yawei (Inactive)
• Reporter: Maloo

Description

This issue was created by maloo for sarah <[e-mail]>

This issue relates to the following test suite run: http://maloo.whamcloud.com/test_sets/13226d44-4ea9-11e3-b578-52540035b04c.

The sub-test test_209 failed with the following error:

open/close requests are not freed

test log shows:

== sanity test 209: read-only open/close requests should be freed promptly == 21:42:15 (1384494135)
before: 93, after: 1084
 sanity test_209: @@@@@@ FAIL: open/close requests are not freed 

Issue Links

• is related to: LU-2613 opening and closing file can generate 'unreclaimable slab' space

Comments

[Jian Yu]

Landed for Lustre 2.5.1.

[Zhenyu Xu]

patch for b2_5 is tracked at http://review.whamcloud.com/8729

[Jian Yu]

Lustre client build: http://build.whamcloud.com/job/lustre-b2_5/5/
Lustre server build: http://build.whamcloud.com/job/lustre-b2_4/70/ (2.4.2)

The same failure occurred:
https://maloo.whamcloud.com/test_sets/a8e2dbf8-74f5-11e3-95ae-52540035b04c

Hi Oleg,

Could you please cherry-pick patch http://review.whamcloud.com/8326 to Lustre b2_5 branch? Thanks.

[Andreas Dilger]

Patch landed to master.

[Niu Yawei (Inactive)]

http://review.whamcloud.com/8326

[Niu Yawei (Inactive)]

The connect_flags checking is wrong in test_209

[[ $($LCTL get_param -n mdc.*.connect_flags) == ~disp_stripe ]] && skip_env

will cooke a patch to fix it soon.