From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752233Ab3J1FoT (ORCPT ); Mon, 28 Oct 2013 01:44:19 -0400 Received: from mx1.redhat.com ([209.132.183.28]:38166 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751381Ab3J1FoR (ORCPT ); Mon, 28 Oct 2013 01:44:17 -0400 Message-ID: <526DF9A4.70709@redhat.com> Date: Mon, 28 Oct 2013 13:44:04 +0800 From: Jason Wang User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.0 MIME-Version: 1.0 To: Fengguang Wu CC: virtualization@lists.linux-foundation.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [virtio-net] BUG: sleeping function called from invalid context at kernel/mutex.c:616 References: <20131020023418.GA6737@localhost> <526638D4.1030403@redhat.com> <20131023232033.GA7404@localhost> In-Reply-To: <20131023232033.GA7404@localhost> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/24/2013 07:20 AM, Fengguang Wu wrote: > Yes it reduces the sleeping function bug: > > /kernel/x86_64-lkp-CONFIG_SCSI_DEBUG/7c4ed2767afb813493b0a8fb18d666cd44550963 > > +------------------------------------------------------------------------------------+-----------+--------------+--------------+ > | | v3.12-rc3 | 3ab098df35f8 | 7c4ed2767afb | > +------------------------------------------------------------------------------------+-----------+--------------+--------------+ > | good_boots | 30 | 0 | 93 | > | has_kernel_error_warning | 0 | 20 | 7 | > | BUG:sleeping_function_called_from_invalid_context_at_kernel/mutex.c | 0 | 20 | | > | INFO:rcu_sched_self-detected_stall_on_CPU(t=jiffies_g=c=q=) | 0 | 0 | 1 | > | INFO:task_blocked_for_more_than_seconds | 0 | 0 | 2 | > | INFO:NMI_handler(arch_trigger_all_cpu_backtrace_handler)took_too_long_to_run:msecs | 0 | 0 | 1 | > | Kernel_panic-not_syncing:hung_task:blocked_tasks | 0 | 0 | 1 | > | BUG:kernel_test_crashed | 0 | 0 | 3 | > | BUG:kernel_test_hang | 0 | 0 | 1 | > +------------------------------------------------------------------------------------+-----------+--------------+--------------+ > > However I'll need to increase tests on v3.12-rc3 to make sure it's not > the patch that added the other error messages. > > Thanks, > Fengguang Thanks, any more update on the result of v3.12-rc3 for this?