Does FreeBSD support sparse kernel crash dumps?

Paul Marciano pm940 at
Fri Apr 7 19:47:11 UTC 2006

Hello.  I read a while back about someone working on
supporting sparse kernel crash dumps (dumping only the
active kernel pages to the dump device as opposed to
all physical memory - for machines where the phys mem
is greater than the dump dev space.)

Does anyone know the status of that project?  Was it
committed, or are there plans to commit it?


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