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 X-Spam-Level: X-Spam-Status: No, score=-2.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5B570C432C0 for ; Tue, 3 Dec 2019 03:15:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 265CC2068E for ; Tue, 3 Dec 2019 03:15:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="eYomzYuU" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726214AbfLCDPB (ORCPT ); Mon, 2 Dec 2019 22:15:01 -0500 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:23186 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726186AbfLCDPB (ORCPT ); Mon, 2 Dec 2019 22:15:01 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1575342900; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=08LSHP3i4KAxSfFtz46KlYbHrqxFlYZ5I+U9GzefzGw=; b=eYomzYuURRWoBtVOOg3/YLFcaLr13PFkTkS64nv3YjRyDr7xJNrv452H3sBLXVf8VQ3drs Da31+S+dC2ULNVoKyFmbL2BmxdlDu1k6fD2mBAO4QqJ7Jv5WQYomfUJ9cui5j8l9TAWaw1 2iP/yhAFq1dnCMz1yvfH4qFD1IvYG20= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-399-2aGRxKaSPSulL06JJzt_Dg-1; Mon, 02 Dec 2019 22:14:58 -0500 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id F30F2107ACC5; Tue, 3 Dec 2019 03:14:56 +0000 (UTC) Received: from ming.t460p (ovpn-8-19.pek2.redhat.com [10.72.8.19]) by smtp.corp.redhat.com (Postfix) with ESMTPS id AA49B5DA60; Tue, 3 Dec 2019 03:14:49 +0000 (UTC) Date: Tue, 3 Dec 2019 11:14:44 +0800 From: Ming Lei To: Stephen Rust Cc: Rob Townley , Christoph Hellwig , Jens Axboe , linux-block@vger.kernel.org, linux-rdma@vger.kernel.org, linux-scsi@vger.kernel.org, martin.petersen@oracle.com, target-devel@vger.kernel.org Subject: Re: Data corruption in kernel 5.1+ with iSER attached ramdisk Message-ID: <20191203031444.GB6245@ming.t460p> References: <20191128015748.GA3277@ming.t460p> <20191128025822.GC3277@ming.t460p> <20191128091210.GC15549@ming.t460p> <20191203005849.GB25002@ming.t460p> MIME-Version: 1.0 In-Reply-To: User-Agent: Mutt/1.12.1 (2019-06-15) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-MC-Unique: 2aGRxKaSPSulL06JJzt_Dg-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org On Mon, Dec 02, 2019 at 10:04:20PM -0500, Stephen Rust wrote: > Hi Ming, >=20 > The log you requested with the (arg4 & 512 !=3D 0) predicate did not oops, it should have been (arg4 & 511) !=3D 0. Thanks, Ming