Re: S390 testing for IOMMUFD

Jason Gunthorpe
2022-11-09T20:43:13Z

On Wed, Nov 09, 2022 at 02:13:22PM -0500, Anthony Krowiak wrote:
>
> On 11/9/22 11:12 AM, Jason Gunthorpe wrote:
> > On Wed, Nov 09, 2022 at 09:49:01AM -0500, Anthony Krowiak wrote:
> > > I cloned the https://lore.kernel.org/kvm/Y2q3nFXwOk9jul5u@nvidia.com/T/#m76a9c609c5ccd1494c05c6f598f9c8e75b7c9888
> > > repo and ran the vfio_ap test cases. The tests ran without encountering the
> > > errors related to the vfio_pin_pages() function
> > I updated the git repos with this change now
> >
> > > but I did see two tests fail attempting to run crypto tests on the
> > > guest. I also saw a WARN_ON stack trace in the dmesg output
> > > indicating a timeout occurred trying to verify the completion of a
> > > queue reset. The reset problem has reared its ugly head in our CI,
> > > so this may be a good thing as it will allow me to debug why its
> > > happening.
> > Please let me know if you think this is iommufd related, from your
> > description it sounds like an existing latent bug?
>
>
> Just in case you missed my response to my previous email, the problems I was
> seeing were due to using a set regression tests that I patched to try to
> improve the tests performance. When I ran the vanilla tests they ran
> successfully without any problems with your patch. I will continue testing
> but as of now, it looks good to me.

Great, can all of you provide some Tested-by's for the various things
you've run?

Thanks,
Jason