Re: [Xen-devel] Xen killing my e1000s?

[Nathan Stratton <nathan@xxxxxxxxxxxx>]

On Fri, 11 Dec 2009, Jeremy Fitzhardinge wrote:

> I have this Xeon 3430-based system with a pair of on-board PCI-e e1000s. 
> When I'm running under Xen, they disappear in use.  That is, the PCI devices 
> themselves seem to give up the ghost, and lspci -x shows all 0xff for their 
> config spaces. They come back to life when I reset the machine.
> When I boot under native Linux all seems fine.
>
> I'm running with VT-d and all the other features enabled; I haven't tried 
> turning them off yet.  There are no obvious messages from the kernel or Xen 
> complaining about anything.
> This is a new machine, so it could be an outright hardware problem, but it 
> seems like an odd failure-mode for a hardware fault (I'd expect on-board 
> devices to either work or not work, and not come back on reset).
> Anyone got any ideas?
I am seeing something similar with my Xeon systems and igb (Intel 82576) 
cards. I see the ethernet ports die on my switch and the whole xen box 
crashes. Nothing in the logs at all, only clue I have is that the ethernet 
ports bounce on the switch.

> <>
Nathan Stratton                                CTO, BlinkMind, Inc.
nathan at robotics.net                         nathan at blinkmind.com
http://www.robotics.net                        http://www.blinkmind.com

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