From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752196AbeDFPxt (ORCPT ); Fri, 6 Apr 2018 11:53:49 -0400 Received: from mail-ua0-f182.google.com ([209.85.217.182]:34734 "EHLO mail-ua0-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751989AbeDFPxs (ORCPT ); Fri, 6 Apr 2018 11:53:48 -0400 X-Google-Smtp-Source: AIpwx4/n9b84QQiibasyyYHsIvajyo8ABd/dt7AYeQqLo2+ZqDFulhyuiZ2mSHnLtCdDty2GkZyY9Q== Subject: Re: INFO: task hung in __blkdev_get To: Tetsuo Handa , Dmitry Vyukov , Ming Lei Cc: mingo@redhat.com, peterz@infradead.org, syzbot , linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com References: <652eab47-81b5-3249-3c78-427eeec45fbc@I-love.SAKURA.ne.jp> <2e093801-6d71-6747-42df-52f191811ad0@I-love.SAKURA.ne.jp> From: Jens Axboe Message-ID: <87bdec75-3c59-6587-2436-1470263ab11f@kernel.dk> Date: Fri, 6 Apr 2018 09:53:44 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.0 MIME-Version: 1.0 In-Reply-To: <2e093801-6d71-6747-42df-52f191811ad0@I-love.SAKURA.ne.jp> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 4/6/18 4:12 AM, Tetsuo Handa wrote: > ---------------------------------------- > > The reason of q->mq_freeze_depth == 1 turned out that loop_set_status() > forgot to call blk_mq_unfreeze_queue() at error paths for > info->lo_encrypt_type != NULL case. Thanks for finding this, applied. -- Jens Axboe