Re: [Xen-users] Xen system hang or freeze

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Tue, Jun 30, 2009 at 12:57:43PM +0200, Alberto Asuero Arroyo wrote:
> Hi!
> 
>  I've the same issue!! every 1-2 weeks the servers goes int black, no pings,
> no shh...nothing!
> 
> - Xen 3.3.1 (Debian etch 40r6) 64 bit
> - dom0: Linux kernel 2.6.18
> - domU:
> 
>    - Windows 2008, 64 bit installation ,4 cores, + 20GB memory
>    - Windows XP, 32 bit, 2 cores, 2GB memory.
>    - Debian lenny: 64 bit, 3 cores, 8GB
>    - Debian lenny: 64 bit, 3 cores, 12GB
> 
> Hardware details:
>     Dell PowerEdge 2900 III
>     2 x Quad Core Xeon X5470 (3.33GHz, 2x6MB, 1333MHz FSB, 120W TDP)
>     48GB 667MHz FBD (12x4GB dual rank DIMMs)
>    PERC 5/i integrated RAID Controller *using megasas* driver
> 
> 
> Now I've limited dom0 to 1 cpu...Would be useful upgrade the kernel
> (linux2.6.18 to linux 2.6.30) and xen 3.3.2 to xen 3.4.0)??
> 

Are you running the Debian 2.6.18 kernel, or xenlinux 2.6.18.8 ?

> finally, have you solved the hangs??
> 
> Any response will be apreciated
> 

You should set up a serial console to get the error messages and/or
backtraces of the crash.

It's pretty hard to debug it otherwise. 

-- Pasi

> Thanks!
> 
> 
> On Tue, May 5, 2009 at 8:18 PM, Nick Anderson <nick@xxxxxxxxxxxx> wrote:
> 
> > On Tue, May 05, 2009 at 05:41:03PM +0200, Martin Fernau wrote:
> > > Nick,
> > > I would appreciate if you could send me your little script. I could use
> > it in
> > > my linux box too.
> >
> > Like I said it just wraps sar so you need to have sysstat installed.
> >
> > right now it only supports the default colums from plain old sar
> > output. Its easy to extend though.
> >
> > so you would run it with something like sarget iowait or sarget steal
> > or sarget system
> >
> >
> >
> > --
> > Nick Anderson <nick@xxxxxxxxxxxx>
> > http://www.cmdln.org
> >
> >
> > _______________________________________________
> > Xen-users mailing list
> > Xen-users@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-users
> >

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