From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jack Morgenstein Subject: hang when exiting opensm or diagnet Date: Mon, 6 Sep 2010 18:38:13 +0300 Message-ID: <201009061838.13362.jackm@dev.mellanox.co.il> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: tziporet-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org, erezc-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org List-Id: linux-rdma@vger.kernel.org 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: [] wait_for_completion+0x79/0xa2 kernel: [] default_wake_function+0x0/0xe kernel: [] :ib_mad:ib_cancel_rmpp_recvs+0xd0/0x113 kernel: [] :ib_mad:ib_unregister_mad_agent+0x30d/0x424 kernel: [] sk_free+0xc3/0x105 kernel: [] :ib_umad:ib_umad_close+0x9d/0xd6 kernel: [] __fput+0xae/0x198 kernel: [] filp_close+0x5c/0x64 kernel: [] put_files_struct+0x63/0xae Does anyone have any ideas as to what could be causing this? -Jack -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html