[LU-17983] LBUG: in mdt_fix_reply() hit during FOFB testing

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.16.0
• Severity: 3
• Assignee: Shaun Tancheff
• Reporter: Shaun Tancheff

Description

http://steve-10.hpc.amslabs.hpecorp.net/TestScreen/neo/index.php?sessionstarttime=1686053724&groupname=racer-FOFB&configuration=dectet&doc_id=647f2360c0ebbd13d13157af&DataBase=lustre&ets=1686131374115

0811 (mds) console:

[  187.296125] LustreError: 7079:0:(mdt_open.c:1373:mdt_reint_open()) @@@ OPEN & CREAT not in open replay/by_fid  req@000000005a1b14a2 x1767947079689920/t0(4294975400) o101->7237381a-7e60-4f2c-bd3d-c3a6e2670fcd@192.168.1.18@tcp:40/0 lens 576/3424 e 0 to 0 dl 1686046445 ref 1 fl Complete:/4/0 rc 0/0 job:'ls.0'
[  187.301936] LustreError: 7079:0:(mdt_handler.c:4777:mdt_intent_open()) @@@ Replay open failed with -14  req@000000005a1b14a2 x1767947079689920/t0(4294975400) o101->7237381a-7e60-4f2c-bd3d-c3a6e2670fcd@192.168.1.18@tcp:40/0 lens 576/600 e 0 to 0 dl 1686046445 ref 1 fl Complete:/4/0 rc 0/0 job:'ls.0'
[  188.159843] LustreError: 7079:0:(mdt_lib.c:816:mdt_fix_reply()) ASSERTION( req_capsule_get_size(pill, &RMF_MDT_MD, RCL_SERVER) == info->mti_attr.ma_lmm_size ) failed: 
[  188.176571] LustreError: 7079:0:(mdt_lib.c:816:mdt_fix_reply()) LBUG
[  188.181052] Pid: 7079, comm: tgt_recover_0 4.18.0-305.10.2.x6.6.000.74.x86_64 #1 SMP Tue May 23 07:54:25 MDT 2023
[  188.199769] Call Trace TBD:
[  188.205106] [<0>] libcfs_call_trace+0x6f/0x90 [libcfs]
[  188.211989] [<0>] lbug_with_loc+0x43/0x80 [libcfs]
[  188.218936] [<0>] mdt_fix_reply+0x6c9/0x700 [mdt]
[  188.232980] [<0>] mdt_reint_internal+0x4e8/0x7d0 [mdt]
[  188.236403] [<0>] mdt_intent_open+0x137/0x420 [mdt]
[  188.240056] [<0>] mdt_intent_opc+0x12c/0xbf0 [mdt]
[  188.243683] [<0>] mdt_intent_policy+0x207/0x3a0 [mdt]
[  188.246854] [<0>] ldlm_lock_enqueue+0x47a/0xb00 [ptlrpc]
[  188.249546] [<0>] ldlm_handle_enqueue0+0x739/0x1410 [ptlrpc]
[  188.252974] [<0>] tgt_enqueue+0xa4/0x210 [ptlrpc]
[  188.256096] [<0>] tgt_request_handle+0xc93/0x1950 [ptlrpc]
[  188.259454] [<0>] handle_recovery_req+0x140/0x270 [ptlrpc]
[  188.263323] [<0>] replay_request_or_update.isra.30+0x2f8/0xa30 [ptlrpc]
[  188.273023] [<0>] target_recovery_thread+0x748/0x12e0 [ptlrpc]
[  188.278908] [<0>] kthread+0x116/0x130
[  188.289521] [<0>] ret_from_fork+0x35/0x40
[  188.292975] Kernel panic - not syncing: LBUG