From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754095AbaELS7F (ORCPT ); Mon, 12 May 2014 14:59:05 -0400 Received: from userp1040.oracle.com ([156.151.31.81]:23539 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750970AbaELS7D (ORCPT ); Mon, 12 May 2014 14:59:03 -0400 Message-ID: <537119EF.2060102@oracle.com> Date: Mon, 12 May 2014 14:58:55 -0400 From: Sasha Levin User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.4.0 MIME-Version: 1.0 To: LKML CC: Tejun Heo , Dave Jones Subject: workqueue: WARN at at kernel/workqueue.c:2176 X-Enigmail-Version: 1.6 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Source-IP: acsinet21.oracle.com [141.146.126.237] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi all, While fuzzing with trinity inside a KVM tools guest running the latest -next kernel I've stumbled on the following spew: [ 1297.886670] WARNING: CPU: 0 PID: 190 at kernel/workqueue.c:2176 process_one_work+0xb5/0x6f0() [ 1297.889216] Modules linked in: [ 1297.890306] CPU: 0 PID: 190 Comm: kworker/3:0 Not tainted 3.15.0-rc5-next-20140512-sasha-00019-ga20bc00-dirty #456 [ 1297.893258] 0000000000000009 ffff88010c5d7ce8 ffffffffb153e1ec 0000000000000002 [ 1297.893258] 0000000000000000 ffff88010c5d7d28 ffffffffae15fd6c ffff88010cdd6c98 [ 1297.893258] ffff8806285d4000 ffffffffb3cd09e0 ffff88010cdde000 0000000000000000 [ 1297.893258] Call Trace: [ 1297.893258] dump_stack (lib/dump_stack.c:52) [ 1297.893258] warn_slowpath_common (kernel/panic.c:430) [ 1297.893258] warn_slowpath_null (kernel/panic.c:465) [ 1297.893258] process_one_work (kernel/workqueue.c:2174 (discriminator 38)) [ 1297.893258] worker_thread (kernel/workqueue.c:2354) [ 1297.893258] ? rescuer_thread (kernel/workqueue.c:2303) [ 1297.893258] kthread (kernel/kthread.c:210) [ 1297.893258] ? kthread_create_on_node (kernel/kthread.c:176) [ 1297.893258] ret_from_fork (arch/x86/kernel/entry_64.S:553) [ 1297.893258] ? kthread_create_on_node (kernel/kthread.c:176) Thanks, Sasha