[LU-9828] LBUG ASSERTION( desc->bd_nob_transferred == 0 ) failed:

• Type: Bug
• Resolution: Fixed
• Priority: Major
• Fix Version/s: Lustre 2.10.1, Lustre 2.11.0
• Severity: 3
• Assignee: Amir Shehata (Inactive)
• Reporter: Minh Diep

Description

One of clients crashed due to the following LBUG.

LustreError: 11818:0:(events.c:201:client_bulk_callback()) event type 2, status -103, desc ffff880827971600
LustreError: 11840:0:(niobuf.c:329:ptlrpc_register_bulk()) ASSERTION( desc->bd_nob_transferred == 0 ) failed:
LustreError: 11818:0:(events.c:201:client_bulk_callback()) event type 2, status -103, desc ffff880d40623400
Lustre: yshare1-OST0023-osc-ffff882049a1c800: Connection to yshare1-OST0023 (at 172.28.8.204@o2ib1) was lost; in progress operations using this service will wait for recovery to complete
Lustre: Skipped 21 previous similar messages
LNet: 11818:0:(o2iblnd_cb.c:1364:kiblnd_reconnect_peer()) Abort reconnection of 172.28.8.204@o2ib1: connected
LNet: 11818:0:(o2iblnd_cb.c:1364:kiblnd_reconnect_peer()) Skipped 1 previous similar message
LustreError: 11840:0:(niobuf.c:329:ptlrpc_register_bulk()) LBUG
Pid: 11840, comm: ptlrpcd_01_01

Call Trace:
 [<ffffffffa0967895>] libcfs_debug_dumpstack+0x55/0x80 [libcfs]
 [<ffffffffa0967e97>] lbug_with_loc+0x47/0xb0 [libcfs]
 [<ffffffffa0cae07c>] ptlrpc_register_bulk+0xfc/0x9c0 [ptlrpc]
 [<ffffffffa0985c74>] ? cfs_percpt_unlock+0x24/0xb0 [libcfs]
 [<ffffffffa0a1b7b4>] ? LNetMDUnlink+0xd4/0x160 [lnet]
 [<ffffffffa0cb5c64>] ? lustre_msg_get_flags+0x34/0xb0 [ptlrpc]
 [<ffffffffa0caf5af>] ptl_send_rpc+0x1af/0xea0 [ptlrpc]
 [<ffffffffa0ce6804>] ? sptlrpc_req_refresh_ctx+0x154/0x910 [ptlrpc]
 [<ffffffffa0ca90b2>] ptlrpc_check_set+0x1462/0x1bf0 [ptlrpc]
 [<ffffffffa0cd6d83>] ptlrpcd_check+0x3d3/0x610 [ptlrpc]
 [<ffffffffa0cd7232>] ptlrpcd+0x272/0x4f0 [ptlrpc]
 [<ffffffff8106c500>] ? default_wake_function+0x0/0x20
 [<ffffffffa0cd6fc0>] ? ptlrpcd+0x0/0x4f0 [ptlrpc]
 [<ffffffff810a640e>] kthread+0x9e/0xc0
 [<ffffffff8100c28a>] child_rip+0xa/0x20
 [<ffffffff810a6370>] ? kthread+0x0/0xc0
 [<ffffffff8100c280>] ? child_rip+0x0/0x20

 

Issue Links

• is related to: LU-10799 ASSERTION(desc->bd_nob_transferred == 0)