[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-users] System Freezes


  • From: Bruce Edge <bruce.edge@xxxxxxxxx>
  • Date: Wed, 16 Jun 2010 06:57:38 -0700
  • Cc: xen-users@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Wed, 16 Jun 2010 07:07:02 -0700
  • Domainkey-signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:cc :content-type; b=CbhiGolkTxEixQcs1bgraXTA9hj64YP9Ob7EMtnfj7TOGDwHUTKR0EFpI4LqZa9Z4R HH5fvAg6LFRPjuZ87imfnLQDkx7GXwlfNMDYJCWy65VBuRsb4EM10wMAp747D/NGgawh FcUpkujOnRNrxdTH1sKepOx405/9iQrE6b0JM=
  • List-id: Xen user discussion <xen-users.lists.xensource.com>

What dom0 kernel & xen version?

Try toggle the Xen console, Ctrl-A 3 times, then 'h' for help to see if you get output.

-Bruce


On Wed, Jun 16, 2010 at 1:29 AM, Jonathan Tripathy <jonnyt@xxxxxxxxxxx> wrote:
Hi Everyone,
 
I wish to gather whether the following issue is a disk or CPU issue.
 
U have a Xen host, running Ubuntu 10.04 64 bit Dom0. It has a single hard drive.
 
FOr testing purposes, I ran 2 DomUs. Both running Ubuntu 10.04 64bit PV. From a remote machine, I ssh'ed into the 2 VMs.
 
On one session I ran a script that would constantly download a file from the net. Delete it, then repeat.
On the other session, I ran a script which ran dd to create a 1G file, delete it, and repeat.
On my remote machine, I also ran another 2 terminals to ping each DomU.
 
Everything seemed ok, until I decided to move a window on the Dom0's screen (Via VGA port and USB keyboard and mouse). The system just became unresponsive for a couple of minutes. Pings stoped working, ssh sessions woudn't refresh..
 
Now, I also had an HVM pfsense machine running, which has a real NIC passed through to it. I can't be 100% sure, however I think that its web GUI was still responsive when accessing it via the real NIC's IP. This leads me to think that the only machine that freezes is the Dom0, which includes the bridge that the DomUs are connected to.
 
Does the above sound like a disk issue or CPU? What can I do to help things? Maybe I should run a Dom0 without a windows manager?
 
Thanks

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

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

 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.