[LU-6100] LustreError: 4256:0:(osd_handler.c:1977:osd_attr_set()) ASSERTION( dt_object_exists(dt) )

• Type: Bug
• Resolution: Duplicate
• Priority: Minor
• Severity: 3
• Assignee: Di Wang
• Reporter: Di Wang

Description

LBUG during racer with 4 MDTs, 2 OSTs.
LustreError: 4256:0:(osd_handler.c:1977:osd_attr_set()) ASSERTION( dt_object_exists(dt) ) failed:
LustreError: 4256:0:(osd_handler.c:1977:osd_attr_set()) LBUG
Pid: 4256, comm: mdt_out00_000

Call Trace:
[<ffffffffa04e8895>] libcfs_debug_dumpstack+0x55/0x80 [libcfs]
[<ffffffffa04e8e97>] lbug_with_loc+0x47/0xb0 [libcfs]
[<ffffffffa0d89ed9>] osd_attr_set+0x1c9/0x510 [osd_ldiskfs]
[<ffffffff8152c946>] ? down_write+0x16/0x40
[<ffffffffa0914180>] out_tx_attr_set_exec+0x260/0x3f0 [ptlrpc]
[<ffffffffa090c77a>] out_tx_end+0xda/0x5c0 [ptlrpc]
[<ffffffffa0913246>] out_handle+0x9a6/0xea0 [ptlrpc]
[<ffffffffa08a815c>] ? lustre_msg_get_opc+0x9c/0x110 [ptlrpc]
[<ffffffffa090898e>] tgt_request_handle+0x8be/0x1000 [ptlrpc]
[<ffffffffa08ba471>] ptlrpc_main+0xdb1/0x18e0 [ptlrpc]
[<ffffffffa08b96c0>] ? ptlrpc_main+0x0/0x18e0 [ptlrpc]
[<ffffffff8109b0f6>] kthread+0x96/0xa0
[<ffffffff8100c20a>] child_rip+0xa/0x20
[<ffffffff8109b060>] ? kthread+0x0/0xa0
[<ffffffff8100c200>] ? child_rip+0x0/0x20

Issue Links

• is duplicated by: LU-5565 (osd_handler.c:1959:osd_attr_set()) ASSERTION( dt_object_exists(dt) && !dt_object_remote(dt) ) failed