From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756188AbbDIUto (ORCPT ); Thu, 9 Apr 2015 16:49:44 -0400 Received: from userp1040.oracle.com ([156.151.31.81]:19631 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754189AbbDIUth (ORCPT ); Thu, 9 Apr 2015 16:49:37 -0400 Message-ID: <5526E5DB.1020602@oracle.com> Date: Thu, 09 Apr 2015 16:49:31 -0400 From: Sasha Levin User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.5.0 MIME-Version: 1.0 To: "Theodore Ts'o" , adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, LKML Subject: Re: ext4: WARNING: CPU: 10 PID: 23340 at fs/block_dev.c References: <55268959.6040507@oracle.com> <20150409151736.GA31268@thunk.org> <55269891.3050709@oracle.com> <20150409202736.GA13705@thunk.org> In-Reply-To: <20150409202736.GA13705@thunk.org> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-Source-IP: aserv0022.oracle.com [141.146.126.234] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 04/09/2015 04:27 PM, Theodore Ts'o wrote: > I tried manually running generic/019, and even though I have > CONFIG_FAIL_MAKE_REQUEST defined, /sys/kernel/debug/fail_make_request > isn't present, and so the test complains that I haven't compiled it > into my kernel --- even though /proc/config.gz confirms that it is > enabled. > > Is there anything special I have to do to get generic/019 to run? The only thing I can think of is that maybe debugfs isn't mounted at all? Do you see anything else in /sys/kernel/debug/? Thanks, Sasha