[LU-1807] ASSERTION( atomic_read(&rs->rs_refcount) Created: 31/Aug/12  Updated: 29/May/17  Resolved: 29/May/17

Status: Resolved
Project: Lustre
Component/s: None
Affects Version/s: None
Fix Version/s: None

Type: Bug Priority: Minor
Reporter: Minh Diep Assignee: WC Triage
Resolution: Cannot Reproduce Votes: 0
Labels: USE_OFD
Environment:

Local lab VM with 2 OSTs


Severity: 3
Rank (Obsolete): 7546

 Description   

Run master with USE_OFD=yes, LOAD_MODULES_REMOTE=true

Lustre: DEBUG MARKER: == sanity test 221: make sure fault and truncate race to not cause OOM == 21:54:28 (1346388868)
LustreError: 3525:0:(lustre_net.h:2099:ptlrpc_rs_decref()) ASSERTION( atomic_read(&rs->rs_refcount) > 0 ) failed:
LustreError: 3525:0:(lustre_net.h:2099:ptlrpc_rs_decref()) LBUG
Pid: 3525, comm: ll_ost00_002

Call Trace:
[<ffffffffa03a2905>] libcfs_debug_dumpstack+0x55/0x80 [libcfs]
[<ffffffffa03a2f17>] lbug_with_loc+0x47/0xb0 [libcfs]
[<ffffffffa06eab9a>] ptlrpc_server_free_request+0x22a/0x230 [ptlrpc]
[<ffffffffa06ead52>] ptlrpc_server_drop_request+0x1b2/0x2f0 [ptlrpc]
[<ffffffffa06eaeed>] ptlrpc_server_finish_request+0x5d/0x70 [ptlrpc]
[<ffffffffa06f1552>] ptlrpc_server_handle_request+0x1f2/0xea0 [ptlrpc]
[<ffffffffa06f2d59>] ptlrpc_main+0xb59/0x1860 [ptlrpc]
[<ffffffffa06f2200>] ? ptlrpc_main+0x0/0x1860 [ptlrpc]
[<ffffffff8100c14a>] child_rip+0xa/0x20
[<ffffffffa06f2200>] ? ptlrpc_main+0x0/0x1860 [ptlrpc]
[<ffffffffa06f2200>] ? ptlrpc_main+0x0/0x1860 [ptlrpc]
[<ffffffff8100c140>] ? child_rip+0x0/0x20

Kernel panic - not syncing: LBUG
Pid: 3525, comm: ll_ost00_002 Not tainted 2.6.32-279.5.1.el6_lustre.g7f15218.x86_64 #1
Call Trace:
[<ffffffff814fd58a>] ? panic+0xa0/0x168
[<ffffffffa03a2f6b>] ? lbug_with_loc+0x9b/0xb0 [libcfs]
[<ffffffffa06eab9a>] ? ptlrpc_server_free_request+0x22a/0x230 [ptlrpc]
[<ffffffffa06ead52>] ? ptlrpc_server_drop_request+0x1b2/0x2f0 [ptlrpc]
[<ffffffffa06eaeed>] ? ptlrpc_server_finish_request+0x5d/0x70 [ptlrpc]
[<ffffffffa06f1552>] ? ptlrpc_server_handle_request+0x1f2/0xea0 [ptlrpc]
[<ffffffffa06f2d59>] ? ptlrpc_main+0xb59/0x1860 [ptlrpc]
[<ffffffffa06f2200>] ? ptlrpc_main+0x0/0x1860 [ptlrpc]
[<ffffffff8100c14a>] ? child_rip+0xa/0x20
[<ffffffffa06f2200>] ? ptlrpc_main+0x0/0x1860 [ptlrpc]
[<ffffffffa06f2200>] ? ptlrpc_main+0x0/0x1860 [ptlrpc]
[<ffffffff8100c140>] ? child_rip+0x0/0x20
Initializing cgroup subsys cpuset
Initializing cgroup subsys cpu



 Comments   
Comment by Jinshan Xiong (Inactive) [ 11/Jul/16 ]

Saw this again with current master(v2_8_55_0-49-g5950767)

Comment by Andreas Dilger [ 29/May/17 ]

Close old ticket.

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