[LU-17846] sanity test_812c: mdt_handler.c:196:mdt_lock_handle_assert()) ASSERTION( !lustre_handle_is_used(&lh->mlh_rreg_lh) ) failed

• Type: Bug
• Resolution: Unresolved
• Priority: Minor
• Severity: 3
• Assignee: WC Triage
• Reporter: Maloo

Description

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

This issue relates to the following test suite run: https://testing.whamcloud.com/test_sets/b5e30c7d-bac2-4be2-bc4c-5028af675364

Test session details:
clients: https://build.whamcloud.com/job/lustre-reviews/104701 - 5.14.0-362.18.1.el9_3.x86_64
servers: https://build.whamcloud.com/job/lustre-reviews/104701 - 5.14.0-362.18.1_lustre.el9.x86_64

sanity test_812c:

Lustre: DEBUG MARKER: == sanity test 812c: idle import vs lock enqueue race ==== 19:58:40 (1715371120)
Lustre: DEBUG MARKER: onyx-107vm1.onyx.whamcloud.com: executing wait_import_state FULL osc.lustre-OST0000-osc-ffff8fd3d0304800.ost_server_uuid 50
Lustre: DEBUG MARKER: osc.lustre-OST0000-osc-ffff8fd3d0304800.ost_server_uuid in FULL state after 0 sec
LustreError: 673669:0:(mdt_handler.c:4622:mdt_intent_lock_replace()) lustre-MDT0000: Invalid lockh=0x0 flags=0x1000 fid1=[0x280000410:0x1:0x0] fid2=[0x200007935:0x2ea:0x0]: rc = 0
LustreError: 673669:0:(mdt_handler.c:196:mdt_lock_handle_assert()) ASSERTION( !lustre_handle_is_used(&lh->mlh_rreg_lh) ) failed: 
LustreError: 673669:0:(mdt_handler.c:196:mdt_lock_handle_assert()) LBUG
CPU: 1 PID: 673669 Comm: mdt00_000  5.14.0-362.18.1_lustre.el9.x86_64 #1
Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011
Call Trace:
  dump_stack_lvl+0x34/0x48
  lbug_with_loc.cold+0x5/0x43 [libcfs]
  mdt_thread_info_fini+0x20f/0x220 [mdt]
  mdt_intent_policy+0x232/0x470 [mdt]
  ldlm_lock_enqueue+0x41a/0xb00 [ptlrpc]
  ldlm_handle_enqueue+0x373/0x1550 [ptlrpc]
  tgt_enqueue+0x60/0x240 [ptlrpc]
  tgt_handle_request0+0x14a/0x770 [ptlrpc]
  tgt_request_handle+0x1eb/0xb80 [ptlrpc]
  ptlrpc_server_handle_request.isra.0+0x3f7/0xc50 [ptlrpc]
  ptlrpc_main+0xa98/0xfe0 [ptlrpc]
  kthread+0xe0/0x100
 Kernel panic - not syncing: LBUG

Issue Links

• is related to: LU-14397 A race between lock enqueue and idle import