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[209.132.180.67]) by mx.google.com with ESMTP id j4-v6si9120743pll.128.2018.04.06.08.55.36; Fri, 06 Apr 2018 08:55:49 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel-dk.20150623.gappssmtp.com header.s=20150623 header.b=mFmB+eT4; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752187AbeDFPxt (ORCPT + 99 others); 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 Received: by mail-ua0-f182.google.com with SMTP id l21so985021uak.1 for ; Fri, 06 Apr 2018 08:53:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=oak+VfGK/dqq8qtz87xQYAPAL0HcP97bBSfu+zGGruE=; b=mFmB+eT4sBzHZWvYlXwcVF6zdOwdpmUweMHn4ZAXkd9gQH19ouTtVLm4nOoQH6r1Ek jWlapxPZhb/T6zrnqusk32gM8ufRiJCHB8ClUMz8yEXWgJL79kBP1t6sD7c6O5VtuAB/ oIgr/Rb86gV839aNx8C1M8IhDFV5vOp7XeMAbGi6Md5RbQq8BmmOlQ4QYs37Z5ELnADz U+b6KOM8mT12iSVaGnwK9QSmhYFIaFVuQMrBuE+UmFlTcikmkdce0RDtywDLuMy5qY1t cQb4qS+ml+NxtvTtcDDDdqcQ6eLF2fAzwz6q+h2WF9vHGNcFoGdLPrpMEHv2JOCCr5hH mPAw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=oak+VfGK/dqq8qtz87xQYAPAL0HcP97bBSfu+zGGruE=; b=tahFMNV7aFCv17cZqIxeUzipglXqYLXiuxfzFMiB+5AtzspKFW1yzm3MYHRj9xBCEv 5rbQwkcbufcyiAVc9dEmby0QrQrQa6e6Ifi33o2Jz8sOzJgVQNyJ6ExlWcMQ/ePBFb1q uKRxrfZfRkmqptKzeWcg8qIngrZaqnPHKpue/H2Wt2GY1kX08mzNzxRPXlxZ8u4HhXfO 6X0zj43F+AenU5Sa6i0AsS9KHAEW5WxNLyXbTNH/3GhNymuMspKsKhq3aFpOvQGk7/gP 9vzVhuBGXVXGxtU36YbKtObjZ1+YfmmpgXX8s7hlQAgeAf/b+s3MyjcUp1HbRylJhnV2 DuPQ== X-Gm-Message-State: ALQs6tAS+t/mmM+PeEGHDWnIZiuLu9Vc54q0xk1WhGsXNcu4S/AD6szL NONKReMxofm+DT7I60nbFvDt7g== X-Received: by 10.176.96.45 with SMTP id n13mr17523674ual.102.1523030027729; Fri, 06 Apr 2018 08:53:47 -0700 (PDT) Received: from [192.168.1.154] ([216.160.245.98]) by smtp.gmail.com with ESMTPSA id o79sm986169vkd.45.2018.04.06.08.53.45 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 06 Apr 2018 08:53:46 -0700 (PDT) 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 Precedence: bulk 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