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

  • To: Nick Anderson <nick@xxxxxxxxxxxx>
  • From: Alberto Asuero Arroyo <albertoasuero@xxxxxxxxx>
  • Date: Tue, 30 Jun 2009 12:57:43 +0200
  • Cc: xen-users@xxxxxxxxxxxxxxxxxxx, Martin Fernau <m.fernau@xxxxxxxxxx>
  • Delivery-date: Tue, 30 Jun 2009 03:59:15 -0700
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 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)??

finally, have you solved the hangs??

Any response will be apreciated


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

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