[Bug 256806] panic: vm_page_free_prep: freeing mapped page

From: <bugzilla-noreply_at_freebsd.org>
Date: Thu, 24 Jun 2021 14:55:26 +0000
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=256806

--- Comment #6 from Niels Bakker <niels=freebsd_at_bakker.net> ---
(kgdb) f 9
#9  0xffffffff80ee9620 in vm_map_entry_delete
(map=map_at_entry=0xfffffe012b0ee3e0, 
    entry=entry_at_entry=0xfffff8007818be40) at /usr/src/sys/vm/vm_map.c:3870
3870                            vm_object_page_remove(object, offidxstart,
offidxend,
(kgdb) p/x *entry
$1 = {left = 0xfffffe012b0ee3e0, right = 0xfffff80060bc9c00, start =
0x807368000, end = 0x8075f2000, 
  next_read = 0x80758e000, max_free = 0x7f3fda7f2000, object = {vm_object =
0xfffff80290744318, 
    sub_map = 0xfffff80290744318}, offset = 0x0, eflags = 0xc, protection =
0x3, max_protection = 0x7, 
  inheritance = 0x1, read_ahead = 0x0, wired_count = 0x0, cred = 0x0,
wiring_thread = 0x0}

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Received on Thu Jun 24 2021 - 14:55:26 UTC

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