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-users

Re: [Xen-users] Random I/O deadlocks in multiple clouds

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] Random I/O deadlocks in multiple clouds
From: Alessandro Grassi <alessandro.grassi@xxxxxxxxx>
Date: Mon, 14 Nov 2011 14:48:46 +0100
Delivery-date: Mon, 14 Nov 2011 05:49:43 -0800
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <1321267717.2315.14.camel@oracle>
List-help: <mailto:xen-users-request@lists.xensource.com?subject=help>
List-id: Xen user discussion <xen-users.lists.xensource.com>
List-post: <mailto:xen-users@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=unsubscribe>
References: <1321267717.2315.14.camel@oracle>
Sender: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
On Mon, 2011-11-14 at 11:48 +0100, Alessandro Grassi wrote:
> INFO: task [random program] blocked for more than 120 seconds.
[..]
> The trace suggests it's an I/O problem, but the crashes don't seem to
> follow a pattern: they happen during high as well as low I/O traffic,
> high/low cpu load, high/low memory usage.
[..]
> The domUs are all running PVOPS enabled kernels (2.6.32+), in a mix of
> vanilla+grsec, debian stock and debian backports (lenny/squeeze).

I forgot to add a thing that might be useful for what i'm reading on old
discussions.
All the machines i run use XFS.

Best regards,

Alessandro

-- 
Alessandro Grassi - System Manager at Devise.It S.r.l.
Tel: +39 0574870600 | Fax: +39 0574870601


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

<Prev in Thread] Current Thread [Next in Thread>