Re: [Xen-devel] x86_64 eth0 e1000_clean_tx_irq tx hang

[Chris Wright <chrisw@xxxxxxxxxxxx>]

* Ian Pratt (m+Ian.Pratt@xxxxxxxxxxxx) wrote:
> > xeon, 4 cpu (2-ht), e1000, 4G
> > 
> > - works fine w/ 32-bit
> > - dom0 is UP (SMP fails as well)
> >   - this is dom0 only, no xend, no domUs, no bridging
> >   - limiting to 2G works fine, sounds like something with swiotlb
> 
> That's interesting, but I'd be surprised if it was an swiotlb thing --
> it looks so much more like an interrupt problem. e1000 and tg3 shouldn't
> be going anywhere near swiotlb anyhow.
> 
> Please can you try a PAE kernel just to check you don't have the
> problem.

It's 64-bit.

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