panic: pmap_page_protect: illegal for unmanaged page

Simon 'corecode' Schubert corecode at
Fri Jan 11 14:43:21 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.

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