* hang when exiting opensm or diagnet
@ 2010-09-06 15:38 Jack Morgenstein
0 siblings, 0 replies; only message in thread
From: Jack Morgenstein @ 2010-09-06 15:38 UTC (permalink / raw)
To: linux-rdma-u79uwXL29TY76Z2rM5mHXA
Cc: tziporet-VPRAkNaXOzVS1MOuV/RT9w, erezc-VPRAkNaXOzVS1MOuV/RT9w
We have a situation where ibdiagnet does not succeed in exiting. (OpenSM displays the same behavior).
Performing a sysrq_trigger generates the following stack trace for ibdiagnet:
kernel: ibdiagnet D ffff810001004420 0 7004 6854
kernel: ffff81066899fbc8 0000000000000046 ffff810367160000 ffff810367160310
kernel: ffff81066899fbb8 0000000000000009 ffff81066dfac860 ffffffff80301ae0
kernel: 0000008a75579daa 0000000000008686 ffff81066dfaca48 0000000000000000
kernel: Call Trace:
kernel: [<ffffffff80063167>] wait_for_completion+0x79/0xa2
kernel: [<ffffffff8008cabc>] default_wake_function+0x0/0xe
kernel: [<ffffffff8839034d>] :ib_mad:ib_cancel_rmpp_recvs+0xd0/0x113
kernel: [<ffffffff8838d52e>] :ib_mad:ib_unregister_mad_agent+0x30d/0x424
kernel: [<ffffffff8022296d>] sk_free+0xc3/0x105
kernel: [<ffffffff883d63fd>] :ib_umad:ib_umad_close+0x9d/0xd6
kernel: [<ffffffff800129df>] __fput+0xae/0x198
kernel: [<ffffffff80023a17>] filp_close+0x5c/0x64
kernel: [<ffffffff80038f1a>] put_files_struct+0x63/0xae
Does anyone have any ideas as to what could be causing this?
-Jack
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