Using anonymous memory (512 MB)
Copyright (c) 2003-2026 The DragonFly Project.
Copyright (c) 1992-2003 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
	The Regents of the University of California. All rights reserved.
DragonFly 6.5-DEVELOPMENT #0: Sat Oct  3 03:31:30 UTC 2026
    root@dfbsd:/usr/obj/usr/src/sys/VKERNEL64
real memory = 536870912 (524288K bytes)
avail memory = 517398528 (505272K bytes)
DragonFly/MP: Multiprocessor
 cpu0 (BSP)
 cpu1 (AP)
CPU Topology: cores_per_chip: 1; threads_per_core: 2; chips_per_package: 1;
Initialize MI interrupts for 2 cpus
initclocks
SMP: AP CPU #1 Launched!
WARNING: KERNBASE being used
interrupt uses mplock: swi_taskq
wdog: In-kernel automatic watchdog reset enabled
vkd0: <Virtual disk> 
vkd0: 1200MB (2457600 512 byte sectors)
md0: Malloc disk
vkd0: MBR magic not found; assume a COMPATIBILITY_SLICE (s0)
md0: MBR magic not found; assume a COMPATIBILITY_SLICE (s0)
ipfw2 initialized, default to accept, logging disabled
DUMMYNET initialized (011031)
CAM: Configuring 0 busses
CAM: finished configuring all busses
Mounting root from ufs:vkd0s0a
no disk named 'vkd0s0a'
setrootbyname failed
ffs_mountroot: can't find rootvp
Root mount failed: 6
Mounting root from ufs:vkd0s1a
no disk named 'vkd0s1a'
setrootbyname failed
ffs_mountroot: can't find rootvp
Root mount failed: 6

Manual root filesystem specification:
  <fstype>:<device>  Specify root (e.g. ufs:da0s1a)
  ?                  List valid disk boot devices
  panic              Just panic
  abort              Abort manual input

mountroot> ufs:vkd0
Mounting root from ufs:vkd0
DMA space used: 0k, remaining available: 0k
Mounting devfs
Cannot read termcap database;
using dumb terminal settings.
sh: can't access tty; job control turned off
# id; sysctl hw.ncpu
sh: id: not found
hw.ncpu: 2
# /root/df5337 corrupt 8 240
DF5337: mode=corrupt threads=8 secs=240 uid=0


Fatal trap 12: page fault while in kernel mode
cpuid = 0
fault virtual address	= 0x20
fault code		= supervisor read, page not present
instruction pointer	= 0x2b:0x4c6a2b
stack pointer	        = 0x10:0x80142df2c0
frame pointer	        = 0x10:0x80142df860
processor eflags	= interrupt enabled, resume, IOPL = 0
current process		= 4 (df5337)
current thread          = pri 6 
 <- SMP: XXX
kernel: type 12 trap, code=0

CPU0 stopping CPUs: 0x0000000000000002
 stopped
Stopped at      0x4c6a2b:       cmpl    %edi,0x20(%rax)
db> trace
uifind() at 0x4c6a2b
change_euid() at 0x4c3426
sys_seteuid() at 0x4c34f7
syscall2() at 0x71f2a4
go_user() at 0x720138
db>