[LU-6730] conf-sanity test_45: FAIL: manual_umount_client failed Created: 16/Jun/15  Updated: 13/Jul/16  Resolved: 13/Jul/16

Status: Resolved
Project: Lustre
Component/s: None
Affects Version/s: Lustre 2.8.0
Fix Version/s: None

Type: Bug Priority: Critical
Reporter: Jian Yu Assignee: Jian Yu
Resolution: Duplicate Votes: 0
Labels: None
Environment:

Lustre Build: https://build.hpdd.intel.com/job/lustre-master/3026
Distro/Arch: RHEL6.6/x86_64
FSTYPE=zfs

Issue Links:
Duplicate
duplicates LU-1882 conf-sanity test_45: umount2: Device ... Resolved
Related
Severity: 3
Rank (Obsolete): 9223372036854775807

 Description   

conf-sanity test 45 failed as follows:

manual umount lustre on /mnt/lustre....
CMD: onyx-35vm6.onyx.hpdd.intel.com umount -d --force /mnt/lustre
umount2: Device or resource busy
umount: /mnt/lustre: device is busy.
        (In some cases useful info about processes that use
         the device is found by lsof(8) or fuser(1))
umount2: Device or resource busy
 conf-sanity test_45: @@@@@@ FAIL: manual_umount_client failed 
df: `/mnt/lustre': Cannot send after transport endpoint shutdown
df: no file systems processed

Maloo report: https://testing.hpdd.intel.com/test_sets/af77cd58-fa4f-11e4-828f-5254006e85c2

 Comments   
Comment by Andreas Dilger [ 18/Jun/15 ]

Note: if there is a patch for this ticket, the fail_loc OBD_FAIL_PTLRPC_LONG_UNLINK has been renamed to OBD_FAIL_PTLRPC_LONG_REPL_UNLINK and should be fixed in the test.

Comment by Andreas Dilger [ 18/Jun/15 ]

I see the following code in ptlrpc_check_set() but according to the client console logs the fail_loc is being hit repeatedly:

                        /* Turn fail_loc off to prevent it from looping forever. */
                        if (OBD_FAIL_CHECK(OBD_FAIL_PTLRPC_LONG_REPL_UNLINK)) {
                                OBD_FAIL_CHECK_ORSET(OBD_FAIL_PTLRPC_LONG_REPL_UNLINK,
                                                     OBD_FAIL_ONCE);
                        }

Should the test be using 0x80000503 (FAIL_ONCE) so that it eventually finishes?

Comment by Gerrit Updater [ 23/Jul/15 ]

Jian Yu (jian.yu@intel.com) uploaded a new patch: http://review.whamcloud.com/15702
Subject: LU-6730 tests: fix fail_loc code in conf-sanity test 45
Project: fs/lustre-release
Branch: master
Current Patch Set: 1
Commit: b7efc2f16c59ab508c5365e5c781862524255980

Comment by Saurabh Tandan (Inactive) [ 16/Dec/15 ]

Server: 2.5.5, b2_5_fe/62
Client: Master, Build# 3266, Tag 2.7.64
https://testing.hpdd.intel.com/test_sets/9bff0100-a04a-11e5-a33d-5254006e85c2

Comment by Saurabh Tandan (Inactive) [ 24/Feb/16 ]

Another instance found for interop - 2.7.1 Server/EL6.7 Client, tag 2.7.90.
https://testing.hpdd.intel.com/test_sessions/f371534e-d573-11e5-bc47-5254006e85c2

Comment by Jian Yu [ 13/Jul/16 ]

Jian Yu (jian.yu@intel.com) uploaded a new patch: http://review.whamcloud.com/15702
Subject: LU-6730 tests: fix fail_loc code in conf-sanity test 45

The above patch didn't fix the unmounting busy issue. The real fix is in LU-1882. The changes in the above patch will be incorporated into the one for that ticket.

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