panic: pmap_page_protect: illegal for unmanaged page

Matthew Dillon dillon at
Sat Jan 12 11:56:21 PST 2008

:Matthew Dillon wrote:
:>    p.s. what are doing that is creating a device mapping in the first place?
:I'm trying and porting the nvidia binary graphics driver.  Right now I'm stuck debugging a memory overwrite error which seems to happen on the physical page level, but I'm not sure.
:  simon

    That's gonna be really hard to port.  Those NVidia binary-only drivers
    are known to be full of bugs and without source there's no way to track
    them down or fix them.


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