On 30 Oct 1997 10:59:44 -0500 
 rvb@sicily.odyssey.cs.cmu.edu wrote:

 > IBM has been stupid for a long time.  On the 701c and 755 they steal
 > the last physical page before the gap (0xbffff) and use of as part of
 > their suspend/resume processing; they will store into the page!!!!
 > You must not use this physical page for netbsd.  In my case, this page
 > often turned out to be in the buffer pool and I could clobber pages or
 > inodes whenever I did a suspend/resume.  I'd recommend a patchable
 > flag or option that allowes this page to be ignored.

If this is indeed the case, it whould be trivial to get NetBSD to skip
over that page when bootstrapping the managed page freelist.  I would
recommend a kernel option that is enabed by default, and users can comment
out if they don't have one of these braindamaged laptops. 

Jason R. Thorpe                                       thorpej@nas.nasa.gov
NASA Ames Research Center                            Home: +1 408 866 1912
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