xen-users

[Top] [All Lists]

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

from [Alessandro Grassi]

[Permanent Link][Original]

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

[More with this subject...]

<Prev in Thread]	Current Thread	[Next in Thread>
[Xen-users] Random I/O deadlocks in multiple clouds, Alessandro Grassi Re: [Xen-users] Random I/O deadlocks in multiple clouds, Alessandro Grassi <=

Previous by Date:	[Xen-users] New Install Plan Help - Graphic Pass Through, ray
Next by Date:	Re: [Xen-users] Problem with xen VBDs, xen backend, and dom0 drivers on xen 4.0+Debian Squeeze, David Della Vecchia
Previous by Thread:	[Xen-users] Random I/O deadlocks in multiple clouds, Alessandro Grassi
Next by Thread:	[Xen-users] RE: Xen-users Digest, Vol 81, Issue 28, ray
Indexes:	[Date] [Thread] [Top] [All Lists]