bhyve pci passthrough usb controller
Wouter Snels
nospam at ofloo.net
Tue Mar 27 13:32:35 UTC 2018
Hi, ..
I've looked up if the "upd720202" supports msi interrupts and it does.
http://www.phasure.com/index.php?action=dlattach;topic=2784.0;attach=3281
Regards, ..
Op 25-03-18 om 03:01 schreef Peter Grehan:
>
>> I surely will try this out, but what about device 4/0/0 showing the
>> same issue. Both tests where performed separately showing the exact
>> same result, of course I'd be happy if either one of them worked.
>
> I think what is happening here is that Windows is enabling legacy
> interrupts on the device, and that happens to be on the same shared
> IRQ line that the ATA controller is on, resulting in spurious interrupts.
>
> The dmesg for the system may be able to confirm this, since it should
> list the legacy IRQs that have been assigned.
>
> bhyve PCI passthru relies not only on the device supporting MSI/MSI-x
> interrupts, but the guest using those.
>
> later,
>
> Peter.
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