[Xen-users] RE: Xen pci device #0

["James Harper" <james.harper@xxxxxxxxxxxxxxxx>]

> > I think I just found the cause of this. It appears that any high
> > network load causes 100% CPU utilisation. None of the processes are
> > taking up the CPU cycles though, so I assume its the XenNet driver.
> 
> Just an update. Starting with a fresh XP SP3 install, I tried
> installing (in that order):
>     1. Latest version from hg
>     2. 0.10.0.134 from meadowcourt
>     3. 0.11.0.238 from meadowcourt
> Each time reverting to initial state via System Restore.
> 
> The results were all similar:
>     1. Xentop shows no block activity
>     2. Unresponsive UI + bad speed when transferring files from Dom0
to VM
>     3. For small files (<5MB), the above problem doesn't occur
>     4. For file transfers from the VM to Dom0, the above problem
> doesn't occur as well
>     5. Stray Xen pci device #0 with no driver installed
> 
> The same thing occurs with check RX checksum dis/enabled.
> 
> I now suspect that something changed in the recent xen and/or kernel
> (since I'm running yesterday's snapshot) that's causing this. Or is my
> hardware at fault?
> 
> Please tell me if I can be of help remedying this.
> 

Can you post your domu config file?

James

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