newcons(vt) can't work at Intel HD4400

Upgrade from ThinkPad x201i to ThinkPad E430C, newcons work well.
Video card is Intel HD4000.

Upgrade from E430C to x240, newcons can;t work.
Video card is Intel HD4400.

I can press Alt+Ctrl+F1 to switch tty1, but there only has one cursor
blinking, no other content.
I can press Alt_Ctrl+F7 to switch X.

#uname -a
FreeBSD x201i.honestqiao.com 11.0-CURRENT FreeBSD 11.0-CURRENT #0
r260159: Wed Jan  1 17:10:24 CST 2014
root_at_x201i.honestqiao.com:/usr/obj/usr/src/sys/HonestQiaoKernel11
amd64

#pciconv -lv
vgapci0_at_pci0:0:2:0:     class=0x030000 card=0x221417aa chip=0x0a168086
rev=0x09 hdr=0x00
    vendor     = 'Intel Corporation'
    device     = 'Haswell-ULT Integrated Graphics Controller'
    class      = display
    subclass   = VGA

#dmesg
vgapci0: <VGA-compatible display> port 0x4000-0x403f mem
0xf0000000-0xf03fffff,0xe0000000-0xefffffff irq 16 at device 2.0 on
pci0
acpi_video0: <ACPI video extension> on vgapci0
found Internal/Integrated Digital Flat Panel(400), idx#0, port#0, head #0
vgapci0: Boot video device

#kldstat
10    1 0xffffffff8131f000 7488     acpi_video.ko
17    1 0xffffffff81385000 6be8     acpi_ibm.ko
18    1 0xffffffff8138c000 d28      acpi_call.ko
33    1 0xffffffff81449000 5eff7    i915kms.ko

#sysctl -a
kern.vt.enable_altgr: 1
kern.vt.debug: 0
kern.vt.deadtimer: 15
kern.vt.suspendswitch: 1
device  vt
device  vt_vga