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] [PATCH] xenstored: allow guests to reintroduce themselve

To: Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH] xenstored: allow guests to reintroduce themselves
From: Olaf Hering <olaf@xxxxxxxxx>
Date: Tue, 9 Aug 2011 11:34:29 +0200
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Delivery-date: Tue, 09 Aug 2011 02:36:11 -0700
Dkim-signature: v=1; a=rsa-sha1; c=relaxed/relaxed; t=1312882520; l=702; s=domk; d=aepfle.de; h=In-Reply-To:Content-Type:MIME-Version:References:Subject:Cc:To:From: Date:X-RZG-CLASS-ID:X-RZG-AUTH; bh=7zPZ/5TCVehucWuTZ2TUo1ih3B4=; b=Wx61UuDqF6HNGByQihMCLLGTzLu1Pb2Ee8nFMFhHM0tBq9cmHGUXntphe1HQiXvZ4iY fM9dzY+aYJ3VXlKnRm/0zXKPfnlhPptL81SraTvaaxy0xK2Rbl2Tcaht9K7TiThVVZpiJ 3s/9KRuMaxJd4DcBV2KAF4CTnXTJcMsbZ8M=
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <1312881938.26263.52.camel@xxxxxxxxxxxxxxxxxxxxxx>
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>
References: <edb96c34f4a638e8ba97.1312202316@xxxxxxxxxxxx> <1312880369.26263.33.camel@xxxxxxxxxxxxxxxxxxxxxx> <20110809091714.GA6436@xxxxxxxxx> <1312881938.26263.52.camel@xxxxxxxxxxxxxxxxxxxxxx>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
User-agent: Mutt/1.5.21.rev5535 (2011-07-01)
On Tue, Aug 09, Ian Campbell wrote:

> > This patch is only for kexec boots, with kdump the crash in the kdump
> > kernel may happen as well but so far I have not seen it. Maybe because
> > the kdump kernel runs in its own memory range.

I think the kernel still has some bug with watch handling, since the
crash is (in my testing) a jump to NULL. Its worth debugging that part.

> > If you prefer, kexec can be modified to check for certain xenstored
> > properties.
> 
> That might be a good place to check, although I think we are still
> missing the mechanism to expose such properties...

Is there no way for an application running in a guest to query xenstore
properties?

Olaf

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