Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1031262AbcDMOAA (ORCPT ); Wed, 13 Apr 2016 10:00:00 -0400 Received: from mx2.suse.de ([195.135.220.15]:60542 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965353AbcDMN76 convert rfc822-to-8bit (ORCPT ); Wed, 13 Apr 2016 09:59:58 -0400 From: Johannes Thumshirn To: Sergey Senozhatsky Cc: Sergey Senozhatsky , "Ewan D. Milne" , Hannes Reinecke , James Bottomley , "Martin K. Petersen" , Stephen Rothwell , linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, linux-next@vger.kernel.org, Xiong Zhou Subject: Re: [-next] BUG_ON in scsi_target_destroy() Date: Wed, 13 Apr 2016 15:59:31 +0200 Message-ID: <1517391.Uqi4c4PsRt@c203> User-Agent: KMail/5.1.3 (Linux/4.5.0-3-default; KDE/5.20.0; x86_64; ; ) In-Reply-To: <20160413144704.GA490@swordfish> References: <20160411090146.GA537@swordfish> <2201725.I2to9GCRQJ@c203> <20160413144704.GA490@swordfish> MIME-Version: 1.0 Content-Transfer-Encoding: 8BIT Content-Type: text/plain; charset="iso-8859-1" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 933 Lines: 33 On Mittwoch, 13. April 2016 23:47:04 CEST Sergey Senozhatsky wrote: > Hi, > > On (04/13/16 10:41), Johannes Thumshirn wrote: > > Hi Sergey, Xiong, > > > > Can you try below patch? > > it panics my system. > first it warn_on-s in lib/kobject.c:244 > > then NULL dereferences > do_scan_async > __scsi_remove_device > scsi_target_reap > device_del > dpm_sysfs_remove > sysfs_unmerge_group > kernfs_find_and_get_ns > kernfs_find_ns > > -ss > Thanks for the update, I'll have a look into the callchain -- Johannes Thumshirn Storage jthumshirn@suse.de +49 911 74053 689 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 N?rnberg GF: Felix Imend?rffer, Jane Smithard, Graham Norton HRB 21284 (AG N?rnberg) Key fingerprint = EC38 9CAB C2C4 F25D 8600 D0D0 0393 969D 2D76 0850