From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: USB disk corruption on Xen 4.1.0 & Linux 2.6.38.7 Date: Thu, 2 Jun 2011 10:44:12 -0400 Message-ID: <20110602144411.GA31559@dumpdata.com> References: <20110601142349.GD4081@dumpdata.com> <19639651.14.1307017496558.JavaMail.root@zimbra.overnetdata.com> <20110602143807.GA31439@dumpdata.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20110602143807.GA31439@dumpdata.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Anthony Wright Cc: Ian Pratt , xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org On Thu, Jun 02, 2011 at 10:38:07AM -0400, Konrad Rzeszutek Wilk wrote: > On Thu, Jun 02, 2011 at 01:24:56PM +0100, Anthony Wright wrote: > > > Do you get the same problem if you boot baremetal and do 'iommu=soft' (without the mem=4G)? You should see the same error. > > I'm not quite sure what you mean by "boot baremetal", but I've just done a boot where I removed the mem=4096M options from the Xen boot line and added an 'iommu=soft' option. The result of this was a corrupt USB device again. > > Baremetal = no Xen. > > > > > Can you attach your lspci -vvv output too please? > > attached. > > > > > This is the motherboard you have right? > > > http://www.newegg.com/Product/Product.aspx?Item=N82E16813131613 > > Yes that's the motherboard. I've an BIOSTART motherboard that looks to have a similar EHCI controller - MCP61 based. Is the USB stick that you are using any special? Or is just a normal one?