On Wed, 2024-05-15 at 16:56 -0700, Rick Edgecombe wrote: > > If we think it is not a security issue, and we don't even know if it can be > hit > for TDX, then I'd be included to go with (a). Especially since we are just > aiming for the most basic support, and don't have to worry about regressions > in > the classical sense. > > I'm not sure how easy it will be to root cause it at this point. Hopefully Yan > will be coming online soon. She mentioned some previous Intel effort to > investigate it. Presumably we would have to start with the old kernel that > exhibited the issue. If it can still be found... > Weijiang filled me in. It sounds like a really tough one, as he described: "From my experience, to reproduce the issue, it requires specific HW config + specific SW + specific operations, I almost died on it" If it shows up in TDX, we might get lucky with an easier reproducer...