On Fri, Apr 12, 2013 at 1:14 AM, Terry Hsu wrote:
> okay so I looked into the faultinfo structure and was able to obtain the
> faulting address, error code, and trap number(?). From my understanding the
> error code is the bottom 3 bits of the exception code. But I see error code
> "20" sometimes
Do you know which functions are used by UML to write the to be fixed
address into SKAS stub? In the handle_page_fault(), the stub mapping is
never referenced. I print out vm area (in find_vma()) if the address cover
by the stub mapping is referenced, and it prints nothing there.
I want to know whe