panic: pmap_remove_ptes: managed page without PG_PVLIST: va 0x1b2d44a000, opte 0x6bbb4001 Starting stack trace... panic(ffffffff833c8e48) at panic+0x1d0 sys/kern/subr_prf.c:229 pmap_remove_pte(fffffd800b062200,fffffd8008899640,7f800d96a100,1b2d420000,1b2d600000,0) at pmap_remove_pte pmap_do_remove(fffffd800b062200,1b2d420000,1b2d820000,0) at pmap_do_remove+0x589 sys/arch/amd64/amd64/pmap.c:1920 uvm_unmap_kill_entry_withlock(fffffd806ca8f018,fffffd806cb48de8,0) at uvm_unmap_kill_entry_withlock+0x269 sys/uvm/uvm_map.c:1863 uvm_map_teardown(fffffd806ca8f018) at uvm_map_teardown+0x117 uvm_map_addr_RBT_LEFT sys/uvm/uvm_map.h:-1 [inline] uvm_map_teardown(fffffd806ca8f018) at uvm_map_teardown+0x117 sys/uvm/uvm_map.c:2486 exit1(ffff8000fffeba10,0,0,1) at exit1+0x6fc sys/kern/kern_exit.c:260 sys_exit(ffff8000fffeba10,ffff80003a405ee0,ffff80003a405e30) at sys_exit+0x1a sys/kern/kern_exit.c:-1 syscall(ffff80003a405ee0) at syscall+0xb17 mi_syscall sys/sys/syscall_mi.h:176 [inline] syscall(ffff80003a405ee0) at syscall+0xb17 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x7265fc72fb90, count: 248 End of stack trace.