[LU-2895] recovery-small 24a: osp_precreate_get_fid(): ASSERTION( lu_fid_diff(&d->opd_pre_used_fid, &d->opd_pre_last_created_fid) < 0 ) failed: next fid [0x0:0x1:0x0] last created fid [0x0:0x1:0x0]

• Type: Bug
• Resolution: Fixed
• Priority: Blocker
• Fix Version/s: Lustre 2.4.0
• Affects Version/s: Lustre 2.4.0
• Labels: LB
• Severity: 3
• Assignee: Niu Yawei (Inactive)
• Reporter: Maloo

Description

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

This issue relates to the following test suite run: https://maloo.whamcloud.com/test_sets/0c78ac7a-81ad-11e2-9f6b-52540035b04c.

The sub-test test_24a failed with the following error:

test failed to respond and timed out

Info required for matching: recovery-small 24a

First, the test failed with return code 1. Second, the MDS hit an assertion failure afterward:

12:39:11:Lustre: DEBUG MARKER: == recovery-small test 24a: fsync error (should return error) == 12:39:10 (1361997550)
12:39:36:Lustre: lustre-OST0000-osc-MDT0000: slow creates, last=[0x0:0x1:0x0], next=[0x0:0x1:0x0], reserved=0, syn_changes=0, syn_rpc_in_progress=0, status=0
12:39:36:LustreError: 18701:0:(osp_precreate.c:1164:osp_precreate_get_fid()) ASSERTION( lu_fid_diff(&d->opd_pre_used_fid, &d->opd_pre_last_created_fid) < 0 ) failed: next fid [0x0:0x1:0x0] last created fid [0x0:0x1:0x0]
12:39:36:LustreError: 18701:0:(osp_precreate.c:1164:osp_precreate_get_fid()) LBUG
12:39:36:Pid: 18701, comm: mdt00_000
12:39:36:
12:39:37:Call Trace:
12:39:37: [<ffffffffa06f1895>] libcfs_debug_dumpstack+0x55/0x80 [libcfs]
12:39:37: [<ffffffffa06f1e97>] lbug_with_loc+0x47/0xb0 [libcfs]
12:39:37: [<ffffffffa0ba4f63>] osp_precreate_get_fid+0x253/0x310 [osp]
12:39:37: [<ffffffffa07022e1>] ? libcfs_debug_msg+0x41/0x50 [libcfs]
12:39:37: [<ffffffffa0ba28cb>] osp_object_assign_fid+0x7b/0x160 [osp]
12:39:37: [<ffffffffa0ba30b6>] osp_object_create+0x406/0x890 [osp]
12:39:38: [<ffffffffa07022e1>] ? libcfs_debug_msg+0x41/0x50 [libcfs]
12:39:38: [<ffffffffa0b5e683>] lod_striping_create+0x193/0x320 [lod]
12:39:38: [<ffffffffa0b5e983>] lod_object_create+0x173/0x260 [lod]
12:39:38: [<ffffffffa0a1a580>] mdd_object_create_internal+0xe0/0x220 [mdd]
12:39:38: [<ffffffffa0a2d22c>] mdd_create+0x77c/0x11f0 [mdd]
12:39:38: [<ffffffffa07022e1>] ? libcfs_debug_msg+0x41/0x50 [libcfs]
12:39:38: [<ffffffffa0ac0ef9>] mdt_reint_open+0x12b9/0x1ab0 [mdt]
12:39:39: [<ffffffffa07022e1>] ? libcfs_debug_msg+0x41/0x50 [libcfs]
12:39:39: [<ffffffffa0aab7f1>] mdt_reint_rec+0x41/0xe0 [mdt]
12:39:39: [<ffffffffa0aa4e53>] mdt_reint_internal+0x4e3/0x7d0 [mdt]
12:39:39: [<ffffffffa0aa540d>] mdt_intent_reint+0x1ed/0x4f0 [mdt]
12:39:39: [<ffffffffa0aa0fde>] mdt_intent_policy+0x3ae/0x750 [mdt]
12:39:39: [<ffffffffa0fb0351>] ldlm_lock_enqueue+0x361/0x8d0 [ptlrpc]
12:39:39: [<ffffffffa0fd6447>] ldlm_handle_enqueue0+0x4f7/0x1080 [ptlrpc]
12:39:39: [<ffffffffa0aa14b6>] mdt_enqueue+0x46/0x110 [mdt]
12:39:39: [<ffffffffa0a96078>] mdt_handle_common+0x628/0x1620 [mdt]
12:39:39: [<ffffffffa0acd845>] mds_regular_handle+0x15/0x20 [mdt]
12:39:39: [<ffffffffa100802c>] ptlrpc_server_handle_request+0x41c/0xdf0 [ptlrpc]
12:39:39: [<ffffffffa06f25de>] ? cfs_timer_arm+0xe/0x10 [libcfs]
12:39:39: [<ffffffffa0fff759>] ? ptlrpc_wait_event+0xa9/0x290 [ptlrpc]
12:39:39: [<ffffffff8105fa40>] ? default_wake_function+0x0/0x20
12:39:39: [<ffffffffa1009576>] ptlrpc_main+0xb76/0x1870 [ptlrpc]
12:39:39: [<ffffffffa1008a00>] ? ptlrpc_main+0x0/0x1870 [ptlrpc]
12:39:39: [<ffffffff8100c0ca>] child_rip+0xa/0x20
12:39:39: [<ffffffffa1008a00>] ? ptlrpc_main+0x0/0x1870 [ptlrpc]
12:39:40: [<ffffffffa1008a00>] ? ptlrpc_main+0x0/0x1870 [ptlrpc]
12:39:40: [<ffffffff8100c0c0>] ? child_rip+0x0/0x20
12:39:40:
12:39:40:Kernel panic - not syncing: LBUG