----- Original Message -----
...
 >
 > It looks like the kernel patch was backported into Linux 4.14.84, so to satisfy
that
 > possibility, can you apply the attached patch to the upstream github version of
crash,
 > and see if it works?  If it does, I'll apply it upstream in github, and it will
eventually
 > show up in crash-7.2.6.
 
 Yes, I applied this patch against a clone of the master branch and I
 no longer need to use the --machdep page_offset= parameter when
 invoking crash! Thanks so much.
 
 --Marc 
OK good -- the patch is queued for crash-7.2.6:
  
https://github.com/crash-utility/crash/commit/03d2b3c23404a596306203edc41...
Thanks Marc,
  Dave