WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-devel

Re: [Xen-devel] What is the state of blktap2?

To: Daniel Stodden <daniel.stodden@xxxxxxxxxx>
Subject: Re: [Xen-devel] What is the state of blktap2?
From: "David P. Quigley" <dpquigl@xxxxxxxxxxxxx>
Date: Thu, 21 Jan 2010 17:52:08 -0500
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Delivery-date: Thu, 21 Jan 2010 14:58:00 -0800
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <1264114494.4147.29.camel@xxxxxxxxxxxxxxxxxxxxxxx>
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
Organization: National Security Agency
References: <1264112865.20158.5.camel@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx> <1264114494.4147.29.camel@xxxxxxxxxxxxxxxxxxxxxxx>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
On Thu, 2010-01-21 at 14:54 -0800, Daniel Stodden wrote:
> On Thu, 2010-01-21 at 17:27 -0500, David P. Quigley wrote:
> > I'm currently working on moving storage services into their own domain
> > and I've been looking at blktap2. I've been trying to get an image
> > mounted with blktap2 and for some odd reason and tapdisk2 keeps hanging
> > instead of quitting at the end. I haven't removed any of the storage
> > startup code at this point so everything should be as it normally is in
> > xen-unstable. Is this a known bug? Are there some requirements on
> > blktap2 that I'm possibly not meeting? Is there anything in particular
> > that I should be looking at to try to debug the problem?
> 
> Are you running pvops?
> Cheer up, after 2.6.23 it's not you but just broken.
> 
> The hang you encounter is likely blktap trying to remove a sysfs node
> from within its own callback. That could be circumvented, but it's
> likely not the only issue.
> 
> Daniel
> 

Well if its just broken in general any suggestions on where I should
look to try and fix it? blktap2 seems to be my best bet for implementing
my component so if I need to fix it to get it working I'm fine with
that.

Dave


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel