[Bug 256806] panic: vm_page_free_prep: freeing mapped page
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Date: Thu, 24 Jun 2021 14:54:12 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=256806
Mark Johnston <markj@FreeBSD.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|New |Open
--- Comment #5 from Mark Johnston <markj@FreeBSD.org> ---
So OBJ_ONEMAPPING is set, and vm_map_delete() should have unmapped the range.
And yet a page in that range is still mapped. PIP is non-zero and the object
has no backing object. Could you finally show:
(kgdb) f 9
(kgdb) p/x *entry
?
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