From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bart Van Assche Subject: Re: [PATCHv6 00/23] ALUA device handler update, part II Date: Fri, 12 Feb 2016 11:28:23 -0800 Message-ID: <56BE3257.9070808@sandisk.com> References: <1455265546-44470-1-git-send-email-hare@suse.de> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-bl2on0062.outbound.protection.outlook.com ([65.55.169.62]:63264 "EHLO na01-bl2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750852AbcBLT22 (ORCPT ); Fri, 12 Feb 2016 14:28:28 -0500 In-Reply-To: <1455265546-44470-1-git-send-email-hare@suse.de> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Hannes Reinecke , "Martin K. Petersen" Cc: Christoph Hellwig , James Bottomley , "linux-scsi@vger.kernel.org" , Ewan Milne , Johannes Thumshirn On 02/12/2016 12:25 AM, Hannes Reinecke wrote: > as promised here is now the second part of my ALUA device handler update. Hello Hannes, Thanks for the quick respin. The first lockdep warning I noticed with the previous version is gone. But I saw the following with this patch series: ------------[ cut here ]------------ WARNING: CPU: 7 PID: 43 at kernel/locking/mutex.c:869 mutex_trylock+0x1ad/0x1c0() DEBUG_LOCKS_WARN_ON(in_interrupt()) CPU: 7 PID: 43 Comm: ksoftirqd/7 Tainted: G E 4.5.0-rc3+ #8 Call Trace: [] dump_stack+0x6b/0xa4 [] warn_slowpath_common+0x8b/0xd0 [] warn_slowpath_fmt+0x41/0x70 [] mutex_trylock+0x1ad/0x1c0 [] alua_check+0x31/0x260 [scsi_dh_alua] [] alua_check_sense+0x6e/0x90 [scsi_dh_alua] [] scsi_check_sense+0x71/0x270 [] scsi_decide_disposition+0x18e/0x200 [] scsi_softirq_done+0x65/0x150 [] __blk_mq_complete_request+0x81/0x100 [] blk_mq_complete_request+0x17/0x20 [] scsi_mq_done+0x16/0x20 [] srp_process_rsp+0x13e/0x280 [ib_srp] [] srp_recv_done+0x187/0x380 [ib_srp] [] __ib_process_cq+0x43/0xc0 [ib_core] [] ib_poll_handler+0x2d/0x80 [ib_core] [] irq_poll_softirq+0xa8/0xf0 [] __do_softirq+0xf6/0x240 [] run_ksoftirqd+0x1a/0x60 [] smpboot_thread_fn+0x113/0x1d0 [] kthread+0xe4/0x100 [] ret_from_fork+0x3f/0x70 ---[ end trace 34fb3b7c104f6c3d ]--- Can you also address this warning ? Thanks, Bart.