Re: panic: pmap_page_protect: illegal for unmanaged page

["Simon 'corecode' Schubert" <corecode@xxxxxxxxxxxx>]

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.
>     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.

Well, turned out it was my fault.  mmap_ops carries a_result as page frame number, not as byte offset.  I think that should be changed, but I have the feeling that you only recently changed this in the other way?  Using byte offsets would be easier to reason about, tho.

cheers
 simon

--
Serve - BSD     +++  RENT this banner advert  +++    ASCII Ribbon   /"\
Work - Mac      +++  space for low €€€ NOW!1  +++      Campaign     \ /
Party Enjoy Relax   |   http://dragonflybsd.org      Against  HTML   \
Dude 2c 2 the max   !   http://golden-apple.biz       Mail + News   / \