From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755222AbaHNPj5 (ORCPT ); Thu, 14 Aug 2014 11:39:57 -0400 Received: from mail-la0-f48.google.com ([209.85.215.48]:33383 "EHLO mail-la0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755134AbaHNPj4 (ORCPT ); Thu, 14 Aug 2014 11:39:56 -0400 Message-ID: <53ECD842.40302@bjorling.me> Date: Thu, 14 Aug 2014 17:39:46 +0200 From: Matias Bjorling User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.1 MIME-Version: 1.0 To: Jens Axboe , Keith Busch CC: Matthew Wilcox , "Sam Bradshaw (sbradshaw)" , LKML , linux-nvme , Christoph Hellwig , Rob Nelson , Ming Lei Subject: Re: [PATCH v11] NVMe: Convert to blk-mq References: <1406365643-27020-1-git-send-email-m@bjorling.me> <1406365643-27020-2-git-send-email-m@bjorling.me> <53EC7273.5060303@bjorling.me> <53ECD125.3080701@fb.com> In-Reply-To: <53ECD125.3080701@fb.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > >>> I haven't event tried debugging this next one: doing an insmod+rmmod >>> caused this warning followed by a panic: >>> >> >> I'll look into it. Thanks > > nr_tags must be uninitialized or screwed up somehow, otherwise I don't > see how that kmalloc() could warn on being too large. Keith, are you > running with slab debugging? Matias, might be worth trying. Thanks for the hint. Keith, I'll first have a chance to fix it tomorrow. Let me know if you find it in the mean time. I've put up a nvmemq_v12 on the github repository with the q_suspended removed.