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=-0.5 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 C3E70C35247 for ; Mon, 3 Feb 2020 19:06:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8E5222086A for ; Mon, 3 Feb 2020 19:06:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=gmx.net header.i=@gmx.net header.b="Q+7Zk5Nb" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727209AbgBCTG3 (ORCPT ); Mon, 3 Feb 2020 14:06:29 -0500 Received: from mout.gmx.net ([212.227.17.20]:41469 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726366AbgBCTG3 (ORCPT ); Mon, 3 Feb 2020 14:06:29 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1580756787; bh=CG0+lWtGXm3alu7GpugOvVz+CO/ZSXhShWlBtIGa1oo=; h=X-UI-Sender-Class:From:To:Subject:Date:In-Reply-To:References; b=Q+7Zk5NbWmqya5tj5qkBxWz1uiOLJ8zIk0DD+QN24ABjGAOJ1Tt7orzlZs1Wiuksv 7niDmPfjsMjaEeQjawQmUG0gQ/T4N4UD8puO/gSI/oPeLEb1wiXUGun9PRvTw7clQj CUZtMHHciXyrPGMw+iGAObfavffIOUgsVHNxwgM4= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from thetick.localnet ([95.90.202.39]) by mail.gmx.com (mrgmx105 [212.227.17.168]) with ESMTPSA (Nemesis) id 1MmlXK-1jQpzl1A2A-00jrOY for ; Mon, 03 Feb 2020 20:01:27 +0100 From: Marc Joliet To: linux-btrfs@vger.kernel.org Subject: Re: My first attempt to use btrfs failed miserably Date: Mon, 03 Feb 2020 20:01:18 +0100 Message-ID: <2497374.lGaqSPkdTl@thetick> In-Reply-To: References: MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart2328398.XAFRqVoOGU"; micalg="pgp-sha256"; protocol="application/pgp-signature" X-Provags-ID: V03:K1:ZfsLP8Jk+Kb0G7Z2ekXiRQd+JIBBebPQOckjY3D5/ZdY6yLU9Eu XtcJh3GST+ltR0DnzHmCP9nCYgXnsLmpFuF71u1TdyKRMdR6770WrZnYVs1gpQDsrDKJRBo cco+dX9VxLC2iMr5y5V445cRdxD6wFGsm7+1wCjxZppGiahcW0Vf1GRRTl7U8Wy+qLDAzG4 mFVg+zqkAP1/ap3taqzWA== X-UI-Out-Filterresults: notjunk:1;V03:K0:LYTV3hT5Ryo=:J1SoXu8lVOX6Y1AnpUHURK EYZ8J30khdIsUBXdDsN/CopoQXaxD6o+a/e4+dVcCweJvmVqk/fTEYGzJSxp59c84VFg/ikJ+ HqpLqxX4E6BZypE/sHNc3SJlASncnlGPWO05F+uOGBoLNAtGakssAoSiecAydOdkiuRiDt/M+ m8PogcAQNxU90QH2QJTDAXJRtNumDIiruJR6EKMLNifA6fHKE3kQJwqrwT04D7N2kc747k9oI hR5Jm1/xQL9AUvoBw6MkabVD6ZC2Hx1YeXLeIWl1F5QlAA64zXjkIBCLlNAGZEoTsDPuGdDpC +DR83tjRpibNFTSxiuYunwfJGsnoc8oFp5EsqEpV5MteCBTJnBqkl4JFbanHzt6HEDA+4/8Ul 0TZ4qi4vbvn5ecDiv2Wqs+k97gYySM12StewilfqwCisoTvqCJ+p5BuzW4iZvecBO8Wx94VLw ILtUBJ7MXSEun+umJKsdtg+7qaKmpZ14rzNkPSkR0wrT1Uke53fGF68WTWXPDWPtNDlK+I4Ne m/0whSuHhmG0tgFq+EGtDGhAtHZnzj3a6Bqby1tLu6857ZAChGT+Rnt5ABH+5GlFSUy+udkG7 HisW3xzUlhvx3XwHmkQHlH5l3uOxBmWJSKFMxrMgnB9h1NmWjIRJcicA0v5NTCRdXX/vXv4jk AJR/Ec0XuJcxtBXs4MNj8MaTC6W/usIni9cck9whM6gUmaPKZn24hmaTvsQB5oCiCP+EQO+xE 5qouBBlZxjxDaBRGbFycpTF/pgZZA4KXP7KUl8l29G34Psy4/UYX+qdxet78fKmqWv5CG3UJ4 XCDlW6lteMjOkvqy6UcOtZABgr1GgdGXu6Z1G+Fy356CTNd1xpJ48NYaYfAO5bs9L5/EFvayo ttoFmNMxY4BzXs400M9SGLev/qPdfww0a492UKF70LFenPglvxTiLNQHnoz3jhc+3uT9BLYxO uTHkWibh50ZcaccQOgSDLjH5V82g5E8U48WoQhF1ba4yDVzXT0ZTrE8p8wrg+btqBB/B+RBb0 58B9P3ZftlY5/5PoySk5tnvPB6+KW+fV/neSz5hp35BkkCMsSNrp3HuO5lQWCDBfxcJeW2HX8 LB5YumtPuvcgtc8KMmoVCvwVtOphBQFxLvUMD+LUti5i0ZxOGBESPHg3OuRtka6pUTbazoKj7 651BbYgLubH9r4MGOO+fB1MAx5RT0Mh20QbHSGCq/oXMzl+2B0M3NSLLwlTbyvtl2UPhZmqf8 LDMROQYlcidPGKs36 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org --nextPart2328398.XAFRqVoOGU Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="us-ascii" Am Montag, 3. Februar 2020, 17:12:17 CET schrieben Sie: > > Yeah, I found out some errors in dmesg suggesting this: > > [ 370.569700] usb 2-1: reset SuperSpeed Gen 1 USB device number 2 > > using xhci_hcd > > [ 428.820969] usb 2-1: reset SuperSpeed Gen 1 USB device number 2 > > using xhci_hcd > > [ 473.621875] usb 2-1: reset SuperSpeed Gen 1 USB device number 2 > > using xhci_hcd > > [ 618.254211] usb 2-1: reset SuperSpeed Gen 1 USB device number 2 > > using xhci_hcd > > [ 664.334958] usb 2-1: reset SuperSpeed Gen 1 USB device number 2 > > using xhci_hcd > > I get these with a very common USB-SATA enclosure bridge chipset, > plugged directly into an Intel NUC. I also sometimes see dropped > writes. When I use a Dyconn USB hub (externally powered) it never > happens. I'm not a USB expert, but my understanding is a hub isn't a > simple thing, it's reading and rewriting the whole stream to and from > host and device. So any peculiarities between them tend to get cleaned > up. FWIW, I used to see errors like this with my external HDD (3TB Toshiba), b= ut not anymore after I increased its device timeout, i.e., its SCSI command timeout, to 3 minutes (following a recommendation on the Debian wiki). =2D- Marc Joliet =2D- "People who think they know everything really annoy those of us who know w= e don't" - Bjarne Stroustrup --nextPart2328398.XAFRqVoOGU Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part. Content-Transfer-Encoding: 7Bit -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQS2YUPDQn1ADQEoj0uXgvYOs+E2oAUCXjht/gAKCRCXgvYOs+E2 oFkiAPwN6epvQHoP83Nr+5OG8ESH1kDTMhwSb3uYUoWOkjJ5nAEAozQ6nSumJ1nX EK9hilXXITHzWc9QYDNJZl592HmUEQI= =l+UC -----END PGP SIGNATURE----- --nextPart2328398.XAFRqVoOGU--