From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bart Van Assche Subject: Re: threads scsi_eh_ and scsi_tmf_ don't die when ib_srp reconnect Date: Mon, 10 Aug 2015 08:30:35 -0700 Message-ID: <55C8C39B.1010000@sandisk.com> References: <55C8C0DC.7070505@clodo.ru> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mail-bn1on0083.outbound.protection.outlook.com ([157.56.110.83]:10560 "EHLO na01-bn1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751551AbbHJPam (ORCPT ); Mon, 10 Aug 2015 11:30:42 -0400 In-Reply-To: <55C8C0DC.7070505@clodo.ru> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: kkv@clodo.ru, linux-scsi@vger.kernel.org On 08/10/2015 08:18 AM, Konstantin Krotov wrote: > I was faced with the following problem: > > Im exported to compute-node scsi disks through ib_srp from storages. And > if reconnect occurs for any reason, eg > > "[1201117.626498] scsi host62: ib_srp: REJ received > [1201117.626507] scsi host62: ib_srp: SRP LOGIN from > fe80:0000:0000:0000:0002:c903:0009:1796 to > fe80:0000:0000:0000:0002:c903:0009:c1a0 REJECTED, reason 0x00010001 > [1201117.626656] scsi host62: ib_srp: Connection 0/8 failed" > > i find threads in output ps: > "root 28047 0.0 0.0 0 0 ? S 18:04 0:00 > [scsi_eh_62] > root 28048 0.0 0.0 0 0 ? S< 18:04 0:00 > [scsi_tmf_62]" > > Each reconnect generates two thread, which do not die. > > kernel version 3.19.1 > > modinfo ib_srp > filename: /lib/modules/3.19-3-amd64/updates/dkms/ib_srp.ko > release_date: Apr 09 2015 > version: 2.0.32#in-tree Hello Konstantin, Does the above output mean that you are using the ib_srp-backport driver ? If so, please upgrade to version v2.0.34. That version includes all SRP initiator fixes that have been posted on the linux-rdma and linux-scsi mailing lists for inclusion in Linux kernel v4.3. Bart.