Re: [Xen-users] what is "Panic: queue_invalidate_wait_descriptor"

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

On Sun, 2015-04-12 at 16:44 +0200, HÃkon Alstadheim wrote:
> ... and why might it not be executed?
> 
> After installing an extra usb 3.0 card to give out to a vm, I started
> getting the above (roughly, according to a hastily scribbled note). I
> think the added card must be the triggering factor, though I may have
> fiddled with other things in the time-frame. I know, one change at a
> time ...
> 
> 
> Panic on Cpu 0:
> "que invalidate wait descriptor was not executed
> DMAR_IQA_REG=87cc7002
> DMAR_IQH_REG=2ee0
> DMAR_IQT_REG=2ee0"

Does this happen when running natively too or is it only under Xen?

Ian.


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