[Lustre-discuss] LBUG: check_res_locked

Nirmal Seenu nirmal at fnal.gov
Thu May 21 11:31:29 PDT 2009


Could someone please let me know if the following is a known bug and if 
any patches are available for this bug. I tried looking in bugzilla for 
the following bug but couldn't find anything.

May 20 23:09:02 lustre3 kernel: LustreError: 
7108:0:(lustre_dlm.h:902:check_res_locked()) 
ASSERTION(spin_is_locked(&res->lr_lock)) failed
May 20 23:09:02 lustre3 kernel: LustreError: 
7108:0:(lustre_dlm.h:902:check_res_locked()) LBUG
May 20 23:09:02 lustre3 kernel: Lustre: 
7108:0:(linux-debug.c:222:libcfs_debug_dumpstack()) showing stack for 
process 7108
May 20 23:09:02 lustre3 kernel: ll_mdt_116    R  running task       0 
7108      2 (L-TLB)
May 20 23:09:02 lustre3 kernel:  ffff8103dff55e50 ffff810307f20740 
ffffffff881f6dbd ffff810354840800
May 20 23:09:02 lustre3 kernel:  ffff810160767cf8 ffffffff881f4a56 
ffff8103548409b0 0000000000000000
May 20 23:09:02 lustre3 kernel:  ffff8103dff55e10 ffffffff8022f277 
0000000300000000 ffff8103548409a8
May 20 23:09:02 lustre3 kernel: Call Trace:
May 20 23:09:02 lustre3 kernel:  [<ffffffff881f4a56>] 
:libcfs:lcw_update_time+0x16/0x100
May 20 23:09:02 lustre3 kernel:  [<ffffffff8022f277>] 
__wake_up_common+0x47/0x80
May 20 23:09:02 lustre3 kernel:  [<ffffffff88336aa0>] 
:ptlrpc:ptlrpc_main+0x8d0/0x14f0
May 20 23:09:02 lustre3 kernel:  [<ffffffff8029ca84>] filp_close+0x54/0x90
May 20 23:09:02 lustre3 kernel:  [<ffffffff80232910>] 
default_wake_function+0x0/0x10
May 20 23:09:03 lustre3 kernel:  [<ffffffff8020ad68>] child_rip+0xa/0x12
May 20 23:09:04 lustre3 kernel:  [<ffffffff883361d0>] 
:ptlrpc:ptlrpc_main+0x0/0x14f0
May 20 23:09:04 lustre3 kernel:  [<ffffffff8020ad5e>] child_rip+0x0/0x12

TIA
Nirmal



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