(In reply to James from comment #7)
> The link is here.
> https://www.dropbox.com/s/15mfgng35b2rmt2/SwordCoast.x86_64.1.trace?dl=0

I don't get any VM faults when replaying that, let alone a lockup, neither on
Kaveri nor Verde. Does replaying this apitrace reproduce the problem for you?