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Re: [Xen-devel] pvops domu soft lockup under load (more logs)


  • To: xen-devel@xxxxxxxxxxxxxxxxxxx
  • From: Pim van Riezen <pi@xxxxxxxxxxxxx>
  • Date: Mon, 12 Apr 2010 11:44:39 +0200
  • Delivery-date: Wed, 14 Apr 2010 07:32:42 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>

On Apr 10, 2010, at 9:12 , Pim van Riezen wrote:

>> When you're getting lockups, could you capture the output of sysrq-t (xm
>> sysrq <domain> t, or "Ctrl-O t" on the domain's console)?
> 
> This one is going to be a bit tough. I only get the error after the fact. The 
> domain has multiple vcpu's, so it's usually not apparent that it's hanging, 
> all depending on which process gets stuck. I'll keep poking at it and if I 
> manage to catch it in the act I'll follow up with a sysrq-t.

xm sysrq $vps t doesn't seem to add anything to the console. Am I doing it 
wrong?

Pi


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