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xen-devel
Re: [Xen-devel] I cannot get any message from domU by console / pv_ops d
> Turning PREEMPT off entirely made all the "scheduling while atomic"
> messages on dom0 go away.
The "scheduling while atomic" messages also go away with PREEMPT_VOLUNTARY
instead of PREEMPT.
>
> With our witout PREEMPT, I can successfully pass PCI devices to an old
> 2.6.18-xen domU as long as the devices are page-aligned. I only can't
> pass PCI devices into pv_ops domUs. Is the PCI frontend code even in
> xen/master?
Yikes. Jeremy merged pcifront after I pulled last... :-( My bad.
I can now pass page-aligned PCI devices into a pv_ops domU from my dom0.
If domU has PREEMPT, it gets tons of "scheduling while atomic" messages
too.
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