I just got this:
panic: pr_phinpage_check: [vcachepl] item 0xffff000054d19880 not part of pool cpu0: Begin traceback... trace fp ffffffc0405efc90 fp ffffffc0405efcb0 vpanic() at ffffffc000240880 netbsd:vpanic+0x160 fp ffffffc0405efd20 panic() at ffffffc000240974 netbsd:panic+0x44 fp ffffffc0405efdb0 pool_cache_put_paddr() at ffffffc00023e858 netbsd:pool_cache_put_paddr+0x110 fp ffffffc0405efde0 vrelel() at ffffffc00028b058 netbsd:vrelel+0x208 fp ffffffc0405efe20 vrecycle() at ffffffc00028b90c netbsd:vrecycle+0x6c fp ffffffc0405efe50 vdrain_thread() at ffffffc00028bf54 netbsd:vdrain_thread+0x2ac address 0x100 is invalid address 0xe8 is invalid cpu0: End traceback... I didn't have it set to enter ddb on panic and don't have enough swap on the eMMC disk to dump to. Have enabled DDB now.