[vfio-users] vfio fails Guest FreeBSD9.3 host Fedora 23

[Alex Williamson]

[re-adding vfio-users]

On Fri, 27 May 2016 15:03:17 -0400
chintu hetam <rometoroam at gmail.com> wrote:

> that worked Alex, sorry for the delay in response.
> so my memorybacking configuration was
>  <memoryBacking>
>     <hugepages>
>       <page size='1048576' unit='KiB' nodeset='1'/>
>     </hugepages>
>     <nosharepages/>
>     <locked/>
>   </memoryBacking>
> i had to remove it completely in order to make it work.
> 
> So confirming that hugepages and vfio has some issue, making VM to hang in
> case of linux at startup and abruptly crashing from FreeBSD guest during
> startup.

Can you see if the problem persists with updated QEMU from virt-preview:

https://fedoraproject.org/wiki/Virtualization_Preview_Repository

2MB hugepages certainly works, I run it daily.  1GB hugepages sees less
attention, but I certainly thought it worked as well.  Thanks,

Alex