> Do you want LOG_UNIMP or LOG_GUEST_ERROR? I would actually use LOG_IN_ASM. As you noticed, guests sometimes use illegal opcodes; another example is Xen's hypercall interface.
On 03/03/2016 07:57, Hervé Poussineau wrote: > This patch is not quiet on some operating systems: > OS/2: > ILLOPC: 000172e1: 0f a6 > > Windows XP: > ILLOPC: 00020d1a: c4 c4 > > And very verbose in Windows 3.11, Windows 9x: > ILLOPC: 000ffb17: 63 > ILLOPC: 000ffb17: 63 > > Is it normal? Yes, it is. As usual, Raymond Chen explains what's going on: https://blogs.msdn.microsoft.com/oldnewthing/20041215-00/?p=37003 Alternatively, you can buy Unauthorized Windows 95 on Amazon for about 10 euros. Which of course I just did. :) Paolo
