On Wed, Sep 14, 2022 at 08:41:59PM -0400, Tamas K Lengyel wrote:
> > > Do you have any idea what might be going on and preventing the output
> > > from showing over USB3 afterwards? The /dev/ttyUSB0 device is still
> > > present on the receiving side, just nothing is being received over it.
> >
> > There are few more patches in the series that are de facto required.
> > Especially those about IOMMU, otherwise it can only possibly work with
> > iommu=0 (which I'm not sure if even is enough).
> 
> Unfortunately with iommu=0 Xen doesn't boot at all for me. I see this
> on the console:
> 
> (XEN) Panic on CPU 0:
> (XEN) FATAL PAGE FAULT
> (XEN) [error_code=0011]
> (XEN) Faulting linear address: 00000000328b3a54
> 
> Not sure what's up with that. Either way, can you post a git branch
> with the remaining patches that are not yet merged in master? Want to
> check if those patches resolve the issue.

I keep it at https://github.com/marmarek/xen/tree/master-xue 

-- 
Best Regards,
Marek Marczykowski-Górecki
Invisible Things Lab