From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1D217C433F5 for ; Fri, 26 Nov 2021 02:30:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243672AbhKZCdT (ORCPT ); Thu, 25 Nov 2021 21:33:19 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:49092 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1357642AbhKZCbQ (ORCPT ); Thu, 25 Nov 2021 21:31:16 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1637893683; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=Bpqpk+A6MWDqeCE+Wx9fqhfdeDYKPkiWWGLmDWm0KV8=; b=O5g4AsfsvCH5ZbiAXKnnWeOfftqL0nQIekyHKjfCw6h34dOidet/SmetGLN/Ebqj3dNfsU BUrFmE8xIvfas9HQ3nNKeSQKwBcf+tafQhiz+c5F2DeruJGJJ9RneWwNvICxVDRKRzQDD9 corH/NsIWVvw5rwY+zhwgU8wFC+xQTk= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-516-GzfM0-iHOiia8Hn7zibt1g-1; Thu, 25 Nov 2021 21:28:02 -0500 X-MC-Unique: GzfM0-iHOiia8Hn7zibt1g-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 42B2F1006AA2 for ; Fri, 26 Nov 2021 02:28:01 +0000 (UTC) Received: from T590 (ovpn-8-22.pek2.redhat.com [10.72.8.22]) by smtp.corp.redhat.com (Postfix) with ESMTPS id A8794604CC; Fri, 26 Nov 2021 02:27:52 +0000 (UTC) Date: Fri, 26 Nov 2021 10:27:47 +0800 From: Ming Lei To: Yi Zhang Cc: linux-block Subject: Re: [bug report] WARNING at block/mq-deadline.c:600 dd_exit_sched+0x1c6/0x260 triggered with blktests block/031 Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Hi Yi, On Thu, Nov 25, 2021 at 07:02:43PM +0800, Yi Zhang wrote: > Hello > > blktests block/031 triggered below WARNING with latest > linux-block/for-next[1], pls check it. > > [1] > f0afafc21027 (HEAD, origin/for-next) Merge branch 'for-5.17/io_uring' > into for-next After running block/031 for several times in today's linus tree, not reproduce the issue: [root@ktest-09 blktests]# uname -a Linux ktest-09 5.16.0-rc2_up+ #47 SMP PREEMPT Thu Nov 25 21:14:38 EST 2021 x86_64 x86_64 x86_64 GNU/Linux [root@ktest-09 blktests]# ./check block/031 block/031 (do IO on null-blk with a host tag set) [passed] runtime 30.302s ... 30.298s Both for-5.17/block and for-5.17/io_uring have been rebased on v5.16-rc2, maybe you can try the test again with latest block tree and see if it can be reproduced. Thanks, Ming