Re: [PATCH v5 0/1] MR8466: ntdll: Also restore rbp before calling user mode callback.

[Paul Gofman (＠gofman)]

> // unwinding out of a syscall seems to break some internal state?`

More likely those registers (which hold the code's variables) being voluntary altered break something (and thus hard to judge if the test results are correct in general or this breakage triggers some unrelated difference).