Re: FW: [Xen-users] Problem with Dell Poweredge 1850

[David Harms <davidh.davidh@xxxxxxxxx>]

I think I may be seeing the same problem on a set of supermicro server
based on the same Intel E7520 "Lindenhurst" chipset as the 1850.  I
can run xen-2.0.3 from the Jan 24th tarball using kernel 2.6.10 on
these systems without any problem but if I use the latest 2.0.5,
testing or unstable tarballs with 2.6.11 the server hangs under IO
load.  It often happens when I tar/untar, cp, or mkfs.  I am running
Redhat EL 3 & 4.

I don't know if it's relevant but it looks like there was a patch
added in 2.6.11 specifically for this chipset.

"Disable SW irqbalance/irqaffinity for E7520/E7320/E7525"

David

> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
> [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of michal
> urbanski
> Sent: Monday, May 09, 2005 2:50 PM
> To: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-users] Problem with Dell Poweredge 1850
> 
> On Sun, May 08, 2005 at 06:43:59PM +0200, Arie Kraai wrote:
> > On Sun, May 08, 2005 at 10:15:45AM -0400, Rob See wrote:
> > >
> > > Any time the system is placed under high IO ( for example
> untar/bz2ing a
> > > tarball to create the fs for a xenU partiton) the machine hangs.
> >
> > Is this problem really xen-related; can you do the same actions booted
> > from a "native" kernel without a crash?
> > It looks like a memory or heating problem...
> 
> I can state for certain that it is a xen problem. I've shelved the xen
> stuff on our 2850 for the past few months, and the machine has been
> running non-stop since then on a non-xen kernel.
> 
> Just a data-point for you, fyi :)
> 
> -michal
> 
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