From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@bugzilla.kernel.org Subject: [Bug 71021] WARNING: CPU: 0 PID: 5517 at /build/buildd/linux-3.13.0/fs/sysfs/group.c:214 sysfs_remove_group+0xc6/0xd0() Date: Sat, 06 Feb 2016 01:20:11 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Return-path: Received: from mail.kernel.org ([198.145.29.136]:52886 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750811AbcBFBUZ (ORCPT ); Fri, 5 Feb 2016 20:20:25 -0500 Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id DA820203C2 for ; Sat, 6 Feb 2016 01:20:23 +0000 (UTC) Received: from bugzilla1.web.kernel.org (bugzilla1.web.kernel.org [172.20.200.51]) by mail.kernel.org (Postfix) with ESMTP id 87E37203DC for ; Sat, 6 Feb 2016 01:20:11 +0000 (UTC) In-Reply-To: Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: linux-scsi@vger.kernel.org https://bugzilla.kernel.org/show_bug.cgi?id=71021 Yijing Wang changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |wangyijing@huawei.com --- Comment #4 from Yijing Wang --- I also found the same issue when remove my disk in my platform, I think the code logic is incorrect, this call trace would appear every disk remove. I found Dan Williams posted a fix patch, but it was not merged to kernel. https://www.mail-archive.com/linux-scsi@vger.kernel.org/msg39187.html Following is my call trace: WARNING: CPU: 2 PID: 6 at fs/sysfs/group.c:224 sysfs_remove_group+0x9c/0xa0() sysfs group (power)ffff800000a2dbe8 not found for kobject '0:0:1:0' Modules linked in: CPU: 2 PID: 6 Comm: kworker/u64:0 Not tainted 4.1.6+ #157 Hardware name: Hisilicon PhosphorV660 Development Board (DT) Workqueue: scsi_wq_0 sas_destruct_devices Call trace: [] dump_backtrace+0x0/0x124 [] show_stack+0x10/0x1c [] dump_stack+0x78/0x98 [] warn_slowpath_common+0x98/0xd0 [] warn_slowpath_fmt+0x4c/0x58 [] sysfs_remove_group+0x98/0xa0 [] dpm_sysfs_remove+0x54/0x68 [] device_del+0x3c/0x208 [] device_unregister+0x10/0x2c [] bsg_unregister_queue+0xbc/0xf8 [] __scsi_remove_device+0x9c/0xbc [] scsi_remove_device+0x44/0x64 [] scsi_remove_target+0x198/0x258 [] sas_rphy_remove+0x8c/0xb4 [] sas_rphy_delete+0x34/0x54 [] sas_destruct_devices+0x60/0x98 [] process_one_work+0x13c/0x344 [] worker_thread+0x13c/0x494 [] kthread+0xd8/0xf0 -- You are receiving this mail because: You are the assignee for the bug.