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=-0.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS autolearn=ham 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 6E734ECDE32 for ; Wed, 17 Oct 2018 09:15:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 193F721523 for ; Wed, 17 Oct 2018 09:15:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="vghqIsqY" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 193F721523 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-btrfs-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727008AbeJQRKf (ORCPT ); Wed, 17 Oct 2018 13:10:35 -0400 Received: from mail-lf1-f52.google.com ([209.85.167.52]:42238 "EHLO mail-lf1-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726964AbeJQRKf (ORCPT ); Wed, 17 Oct 2018 13:10:35 -0400 Received: by mail-lf1-f52.google.com with SMTP id s10-v6so19195705lfc.9 for ; Wed, 17 Oct 2018 02:15:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:subject:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=pEr5On5t0wAUqHI2KrCUIVyM2jWo9pI4qIpErMTi94E=; b=vghqIsqYD3nfOIUSadgDAn3VGQBImTCWMe0Cylc0a3S2Be/ftUXIcTd+XuJV5mg6j3 u1ko+7m9F2VzwY/e8cIEGyKg3P2wnDJ0jNjWyoBRfvsdkK72lAn1BGHIOFHi44Qd5fpl yKo8BZiA5ZUtDJddcBnAWDQc7IFw+wzzx1+3u3Qy4dLYC7AIsSrHTnGF1HHVejLBnCxS GDAF524JGPZzbcL/tBhcRcw+LET0nknDpDMk+JYVjZrOgCaGvuGu04Htb3yk54/aJ4Hd lH9JIxTEI4IdaLfqj3ngxcZX0Xg2FannqweE+C5LjV0/ByB8Rz4B8+QncsvooT82e3Tz HdXg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:subject:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=pEr5On5t0wAUqHI2KrCUIVyM2jWo9pI4qIpErMTi94E=; b=Y6oddOLYESDU6Wgj4ld7KSoToZCM5SVfgLbZZJS7HdIyw+oWRHy2UpPYClvjnlLhJX XfKU9/RQbVq5ktJ3gxNCHJmJEwreQ6P1gr38ys4ngSkSyt+Hex6owtDN3tMU3Sxg7c7o IvcpvW+Q/xmkAiPjN/FFlimbNq8IkGJ7aV8WTt/yn5PezZtbKxZapAImnySQIgsT+spa AfwkLOE2SH+ATU/Fa/FN1i20S7jprS83Rsm6YYA+xv+ZSwYrzP6cH53nRj9xWi2bw58J JgIwY36dXU+nxYWBOJ02JrJ5a0hfbuBqXdHTqy68T7QEL894UuyJ4axfpeB22s3Lh9TK wYuA== X-Gm-Message-State: ABuFfogeatqzJUGM34y3yKnF/wyR+hP81C7ixeyYnOLfDHPqebU84KBa xmkZPNo5j4y3M1BlE/bkOTGV1dw6 X-Google-Smtp-Source: ACcGV62s8Sl4wgHC4sZvGpsjfYcymadyGx5FdJ0n/a46NJ1IjZSuggKI0ILXgmKOInWVDcaOhCUFIQ== X-Received: by 2002:a19:d0c2:: with SMTP id h185-v6mr14837507lfg.81.1539767745743; Wed, 17 Oct 2018 02:15:45 -0700 (PDT) Received: from erp07.git.ru ([94.79.3.84]) by smtp.gmail.com with ESMTPSA id m26-v6sm3670500lfc.30.2018.10.17.02.15.44 for (version=TLS1 cipher=AES128-SHA bits=128/128); Wed, 17 Oct 2018 02:15:45 -0700 (PDT) Date: Wed, 17 Oct 2018 12:15:44 +0300 From: Anton Shepelev To: linux-btrfs@vger.kernel.org Subject: Re: CRC mismatch Message-Id: <20181017121544.3d5e310a9266747d2367c871@gmail.com> In-Reply-To: References: <20181016183051.788a79297af47a9798a0c0e3@gmail.com> X-Mailer: Sylpheed 3.5.0 (GTK+ 2.24.23; i686-pc-mingw32) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org [I accdientally replied to Chris instead of the mailing list] Chris Murphy: >Is there still that O_DIRECT related "bug" (or more of a >limitation) if the guest is using cache=none on the block >device? I know nothing about it. >Anton what virtual machine tech are you using? qemu/kvm >managed with virt-manager? The configuration affects host >behavior; but the negative effect manifests inside the >guest as corruption. If I remember correctly. This is a commericial system run inside VMWare. -- () ascii ribbon campaign - against html e-mail /\ http://preview.tinyurl.com/qcy6mjc [archived]