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 <gentoo-user+bounces-113242-garchives=archives.gentoo.org@lists.gentoo.org>)
	id 1Oez5R-0001AD-2N
	for garchives@archives.gentoo.org; Fri, 30 Jul 2010 23:33:57 +0000
Received: from pigeon.gentoo.org (localhost [127.0.0.1])
	by pigeon.gentoo.org (Postfix) with SMTP id 874ABE080A;
	Fri, 30 Jul 2010 23:32:41 +0000 (UTC)
Received: from mail-wy0-f181.google.com (mail-wy0-f181.google.com [74.125.82.181])
	by pigeon.gentoo.org (Postfix) with ESMTP id 42AE1E080A
	for <gentoo-user@lists.gentoo.org>; Fri, 30 Jul 2010 23:32:41 +0000 (UTC)
Received: by wyb36 with SMTP id 36so2051082wyb.40
        for <gentoo-user@lists.gentoo.org>; Fri, 30 Jul 2010 16:32:40 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
        d=gmail.com; s=gamma;
        h=domainkey-signature:mime-version:received:sender:received
         :in-reply-to:references:date:x-google-sender-auth:message-id:subject
         :from:to:content-type;
        bh=NYY7HQv2TYd5c6hXoc5qxytGXeyLrnXMO2xKWuGiloA=;
        b=roMMdirohoYfa51GrOU61IZLZS0BPw/a9ZXhNM7bncIn6cxHOYhtu8Yv4FU53QDcbt
         wI/PCtCfKTBnJP4bi+Qo7LrT0HYDDIvPsjcrW8eJNc1YliLKzfSxAYRGP7ExOpdLEhOl
         jmXOKibpW3vmekGiuVRqGw6LSYQYRXE2P+A2U=
DomainKey-Signature: a=rsa-sha1; c=nofws;
        d=gmail.com; s=gamma;
        h=mime-version:sender:in-reply-to:references:date
         :x-google-sender-auth:message-id:subject:from:to:content-type;
        b=UGC2Z5BdP9ejG6CgG07opkdKbHDv5Mwobgj/+hTcfxIfelN9xpeXDBg0wKherRB0zu
         SzTS6IoQN6T70oo4dibLNjRWj/n8YRc3XIkoFC5aknxTOfS26gVhb4LNkM5k4je09LRc
         /Nus03NXONMKRIQM2dwVouV2nDnC0gBPEHZrY=
Precedence: bulk
List-Post: <mailto:gentoo-user@lists.gentoo.org>
List-Help: <mailto:gentoo-user+help@lists.gentoo.org>
List-Unsubscribe: <mailto:gentoo-user+unsubscribe@lists.gentoo.org>
List-Subscribe: <mailto:gentoo-user+subscribe@lists.gentoo.org>
List-Id: Gentoo Linux mail <gentoo-user.gentoo.org>
X-BeenThere: gentoo-user@lists.gentoo.org
Reply-to: gentoo-user@lists.gentoo.org
MIME-Version: 1.0
Received: by 10.227.147.204 with SMTP id m12mr2379083wbv.131.1280532759326; 
	Fri, 30 Jul 2010 16:32:39 -0700 (PDT)
Sender: paul.hartman@gmail.com
Received: by 10.227.152.138 with HTTP; Fri, 30 Jul 2010 16:32:39 -0700 (PDT)
In-Reply-To: <AANLkTinn7a0wh4jE3T5fKOyxAVTZhXPtQ2FFF4A1rE9G@mail.gmail.com>
References: <AANLkTinn7a0wh4jE3T5fKOyxAVTZhXPtQ2FFF4A1rE9G@mail.gmail.com>
Date: Fri, 30 Jul 2010 18:32:39 -0500
X-Google-Sender-Auth: ATWHhdWzUWKR2H5mA-Jqa_qm2TY
Message-ID: <AANLkTinkmxJ-_D9UsiE5JrSJsPuuGXo0uJb5+h7Bx1Sw@mail.gmail.com>
Subject: [gentoo-user] Re: USB SDHC Card Reader works, but only if mounted first in WinXP 
	virtual machine
From: Paul Hartman <paul.hartman+gentoo@gmail.com>
To: gentoo-user@lists.gentoo.org
Content-Type: text/plain; charset=ISO-8859-1
X-Archives-Salt: 27d32cec-09b3-4a03-bafc-e0a44996a80a
X-Archives-Hash: 021f682141c9eaacde32d576ab4d648c

On Wed, Jul 28, 2010 at 9:37 AM, Paul Hartman
<paul.hartman+gentoo@gmail.com> wrote:
> Hi,
>
> I have a USB SDHC card reader whose partition table is not read, and
> device node not created, when plugged into my Gentoo Linux computer. I
> posted about this a year or two ago but was never able to get it
> working, until I recently made an accidental discovery:
>
> If I let a VMWare WinXP take control of the USB device, on the same
> physical linux machine as above, the card reader mounts normally in
> the virtual WinXP. Then, if I release the USB device from VMware,
> Linux takes control of the device back and can read the partition
> table and creates the device node normally. After that everything
> works fine, I can copy files to/from etc. and everything seems normal.

BradN on the Forums suggested "hdparm -z" to force the kernel to
re-read the partition table, and this works. Much easier than using a
virtual machine!