From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([208.92.234.80] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1RUlt9-0006Oh-Ev for garchives@archives.gentoo.org; Sun, 27 Nov 2011 21:03:51 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id AF17321C13C; Sun, 27 Nov 2011 21:03:37 +0000 (UTC) Received: from mail-yw0-f53.google.com (mail-yw0-f53.google.com [209.85.213.53]) by pigeon.gentoo.org (Postfix) with ESMTP id 8AED821C169 for ; Sun, 27 Nov 2011 21:02:14 +0000 (UTC) Received: by ywm19 with SMTP id 19so4544914ywm.40 for ; Sun, 27 Nov 2011 13:02:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :content-type; bh=dsNZCCOBNOjZB5SkfQMYBp6ismw6shFuYIqTzHeYCPM=; b=KdzwVjRjoLe55y9jC11a2Or7NUKCeYRLZKI4amv5TvYdP2ykGIRj22GmEteVmFEUjR IwNcs6b8yZTicGvhCVJNFYhYmJRPBa3fxDlMuu+XkOx3gV6fn6f+/WQaPyVLgduyWvd0 XIit4kRVW6AqdN7M3f4Kav+yY9dq/pmqtwxg0= Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 Received: by 10.182.113.38 with SMTP id iv6mr3682726obb.51.1322427732050; Sun, 27 Nov 2011 13:02:12 -0800 (PST) Received: by 10.182.113.10 with HTTP; Sun, 27 Nov 2011 13:02:12 -0800 (PST) In-Reply-To: <20111127225234.755b4597@rohan.example.com> References: <4ED298AA.2000600@myfairpoint.net> <20111127225234.755b4597@rohan.example.com> Date: Sun, 27 Nov 2011 13:02:12 -0800 Message-ID: Subject: Re: [gentoo-user] USB Drive Mount From: Mark Knecht To: gentoo-user@lists.gentoo.org Content-Type: text/plain; charset=UTF-8 X-Archives-Salt: bc02ad7d-a279-4db0-931a-d1dc0a2aa754 X-Archives-Hash: 0d5af3aec6d482d3216a6db04a981b48 On Sun, Nov 27, 2011 at 12:52 PM, Alan McKinnon wrote: > On Sun, 27 Nov 2011 15:08:10 -0500 > sean wrote: > >> I have two 500GB USB drives that my Gentoo system here will not read. >> Both these drives are fat formatted. >> >> The tail of DMESG, the entries actually go on for a long long time, >> has the following report for either of those two drives, >> [ 6027.085508] ehci_hcd 0000:01:0a.2: detected XactErr len 0/8 retry >> 29 [ 6027.085636] ehci_hcd 0000:01:0a.2: detected XactErr len 0/8 >> retry 30 [ 6027.085760] ehci_hcd 0000:01:0a.2: detected XactErr len >> 0/8 retry 31 [ 6027.085885] ehci_hcd 0000:01:0a.2: devpath 3 ep0in >> 3strikes [ 6027.136031] ehci_hcd 0000:01:0a.2: GetStatus port:3 >> status 001002 0 ACK POWER sig=se0 CSC >> [ 6027.136052] hub 1-0:1.0: unable to enumerate USB device on port 3 >> [ 6027.136062] hub 1-0:1.0: state 7 ports 5 chg 0000 evt 0008 >> >> Both these fat formatted drives are easily read on several other >> systems running Windows or MAC OS X. >> >> The Gentoo system will read small usb memory sticks up to 16 GB fat >> formatted. >> The Gentoo system will also read a 750 GB NTFS drive without problems. >> >> Is anyone able to point me in the direction to figure out why the fat >> usb drives will not be read by the Gentoo system? > > This post > > http://permalink.gmane.org/gmane.linux.usb.general/48758 > > implies possible hardware errors (you seem to have protocol errors on > the USB bus). > > Before proceeding further, I'd try a few more tests to narrow down the > circumstances that produce the errors. > > What results do you get if you plug the drives into different USB > controllers/ports on the gentoo system? > > Can you test if they work with a different kernel version (higher and > lower than the current one in use)? > > What kind of drives are these? Are you plugging USB3 drives into USB2 > ports for example? > > If you are really lucky you might have free space on a drive you can > run mkfs.vfat on and see if that works. > > The results of these simple tests stand a good chance of pointing us in > the right direction for the next step. > -- > Alan McKinnnon > alan.mckinnon@gmail.com > > I have something like 10 USB drives here at home. 9 of those drives works perfectly in 5 machines in the house. 1 drive works when attached to 4 of the machines but produces a similar error when attached to my most expensive i7-980x machine. I've never determined what causes it and have sort of decided it's just some weird incompatibility... - Mark