== uname ==
DragonFly dfbsd 6.5-DEVELOPMENT DragonFly 6.5-DEVELOPMENT #1: Sat Oct  3 10:46:28 UTC 2026     root@dfbsd:/usr/obj/usr/src/sys/X86_64_GENERIC  x86_64
== panic-trigger KVA (absent PDPT) ==
pmx_user: pread(/dev/kmem, 8 bytes) at kva fffff80140000000 ...
pmx_user: pread returned -1 errno=14 (Bad address)
pmx_user: kernel survived (no panic)
rc=0
== control: valid KVA (/boot/kernel/kernel version sym) ==
pmx_user: pread(/dev/kmem, 24 bytes) at kva ffffffff811449e0 ...
pmx_user: pread returned 24 errno=0 (Undefined error: 0)
pmx_user: kernel survived (no panic)
rc=0
== module dmesg (fixed kernel) ==
pmxtest: KvaStart=fffff80040000000 KvaEnd=ffffffffff1ff000 KvaSize=000007ffbf1ff000
pmxtest[1]: CONTROL pmap_kextract(&dummy=0xffffffff826002d8) = 000000013218e2d8 (mapped, sane)
pmxtest[2]: va=ffffffff82601000 while-mapped pa=000000012d188000
pmxtest[2]: PT-present/PTE-0: aligned   pmap_kextract(va)     = 0000000000000000
pmxtest[2]: PT-present/PTE-0: unaligned pmap_kextract(va+0x30) = 0000000000000000  <-- non-zero garbage (no PG_V check; aligned queries luck out: va&PAGE_MASK==0)
pmxtest[2]: restored + freed
pmxtest[3]: kernel_vm_end=fffff80118600000
pmxtest[3]: PML4[496] present, PDPT[5] ABSENT (0000000000000000) -> /dev/kmem test KVA fffff80140000000
== uptime ==
10:55AM  up 2 mins, 0 users, load averages: 0.04, 0.03, 0.01