Re: [Xen-devel] [FIXED] time still going backwards

[Tim Freeman <tfreeman@xxxxxxxxxxx>]

On Sun, 17 Oct 2004 10:30:12 +0100
Ian Pratt <Ian.Pratt@xxxxxxxxxxxx> wrote:

> 
> > btw, for reference, before trying the swap idea, I tried moving the
> > masters to a new physical node, it bombed, and the XenU's reported a new
> > error:
> > 
> > __alloc_pages: 0-order allocation failed (gfp=0x1d2/0) 
> > VM: killing process PMB-MPI1
> 
> This is just the guest kernel running out of memory, and the
> out-of-memory killer selecting a victim. Are you sure this VM had
> swap configured?

Swap is not configured for the guest when this happens, I was just
reporting the error along the way in case it was useful.  When swap is
configured there are no problems.

>  
> > printk("Timer ISR: Time went backwards: %lld %lld %lld\n", delta,
> > shadow_system_time, processed_system_time);
> > 
> > Xen0, just two again:
> > Timer ISR: Time went backwards: -59842000 7226230000000 7226290000000
> > Timer ISR: Time went backwards: -49988000 7226240000000 7226290000000
> 
> That's useful, thanks. I'll take a look at the code.
> 
> Ian
> 


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