=== DF-2573 variant B: non-empty list, readq kmalloc failure ===
conn=0 sz=40 list: | M_DEVBUF memuse=213504 inuse=211 calls=224
mkpeerConnection to 127.0.0.1 closed by remote host.
--- arming one-shot kmalloc(10240, M_DEVBUF) failure and driving newhook (expect PANIC at ng_device.c:300) ---
Connection timed out during banner exchange
	inet6 ::1 prefixlen 128
	inet6 fe80::1%lo0 prefixlen 64 scopeid 0x2
	groups: lo
vtnet0: flags=808802<BROADCAST,SIMPLEX,MULTICAST,PROXY> metric 0 mtu 1500
	options=28<VLAN_MTU,JUMBO_MTU>
	ether 52:54:00:12:34:56
	media: Ethernet 1000baseT <full-duplex>
	status: active
route: writing to routing socket: Network is unreachable
add net default: gateway 10.0.2.2: Network is unreachable
Additional routing options:.
Starting devd.
Additional TCP options:.
Mounting NFS file systems:.
ELF ldconfig path: /lib /usr/lib /usr/local/lib /usr/local/libdata/ldconfig/pkg
Building databases...
Starting syslogd.
Oct 20 00:05:00 dfbsd syslogd: kernel boot file is /boot/kernel/kernel

No core dumps found.
swap low/high-water marks set to 41940/62910
swapon: adding /dev/vbd0s1b as swap device
NFS CLIENT: access_cache_timeout=5 neg_cache_timeout=3.
Starting local daemons:.
Updating motd.
Configuring syscons: blanktime.
Starting sshd.
sendmail_submit: /etc/mail/aliases.db not present,  generating
sendmail_clientmqueue: /etc/mail/aliases.db not present,  generating
Starting cron.
Local package initialization:.

Tue Oct 20 00:05:00 UTC 2026


DragonFly/x86_64 (dfbsd) (ttyd0)



login: ng_device_newhook()
get_free_unit()
NGDPOC: injected make_dev() failure
ng_device_newhook(): make_dev failed
Fatal user address access from kernel mode from sysctl at ffffffff80a871d3


Fatal trap 12: page fault while in kernel mode
cpuid = 2; lapic id = 2
fault virtual address	= 0x0
fault code		= supervisor read data, page not present
instruction pointer	= 0x8:0xffffffff80a871d3
stack pointer	        = 0x10:0xfffff80117e8b3d8
frame pointer	        = 0x10:0xfffff80117e8b3e8
code segment		= base 0x0, limit 0xfffff, type 0x1b
			= DPL 0, pres 1, long 0, def32 0, gran 1
processor eflags	= interrupt enabled, resume, IOPL = 0
current process		= 853
current thread          = pri 6 
kernel: type 12 trap, code=0

CPU2 stopping CPUs: 0x0000003b
 stopped
Stopped at      ng_device_newhook+0x1a3:        movq    (%rdx),%rax
db> === guest state after variant B ===
down
=== recovering guest (down/up; disk and NGDPOC kernel are preserved) ===