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RE: [Xen-users] blkback message


  • To: "Jonathan Tripathy" <jonnyt@xxxxxxxxxxx>, "Xen List" <xen-users@xxxxxxxxxxxxxxxxxxx>
  • From: "James Harper" <james.harper@xxxxxxxxxxxxxxxx>
  • Date: Fri, 10 Jun 2011 09:34:58 +1000
  • Cc:
  • Delivery-date: Thu, 09 Jun 2011 16:35:52 -0700
  • List-id: Xen user discussion <xen-users.lists.xensource.com>
  • Thread-index: Acwm+y1AHSBCn3krQ+GqlG9/XUc9PAAAoRaA
  • Thread-topic: [Xen-users] blkback message

> 
> Hi Everyone,
> 
> I'm seeing this message pop up on my console every now and again (or
> something similar):
> 
> blkback: ring-ref 8, event-channel 6, protocol 2 (x86_32-abi)
> 
> Is this a cause for concern?
> 
> I'm using Xen 4.1.0 from Gitco and using the CentOS Dom0 kernel
> (2.6.18-238.12.1.el5xen)
> 
> Any help is appreciated
> 

That's just the blkback driver telling you some info about the ring
setup. It would happen every time you start a DomU and every time you
attach a block-device to a domU. Nothing to worry about.

James

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