• Do not run X11
• Set

  hw.acpi.sleep.vbios = 1
  

• Boot machine
• close lid (sleeps)
• open lid

CF-N10
Let me use crash command to analyze the dump

CF-SX2@makoto 22:19:00/170423(/var/crash)% ls -lt |head 
total 4070096
-rw-------  1 root  wheel     645748 Apr 22 22:11 netbsd.37.gz
-rw-------  1 root  wheel   35079668 Apr 22 22:11 netbsd.37.core.gz
-rw-------  1 root  wheel          3 Apr 22 22:11 bounds
-rw-------  1 root  wheel    1691943 Apr  8 06:09 netbsd.36
-rw-------  1 root  wheel  214025240 Apr  8 06:09 netbsd.36.core
-rw-------  1 root  wheel     645748 Apr  3 21:09 netbsd.35.gz
-rw-------  1 root  wheel   36534813 Apr  3 21:09 netbsd.35.core.gz
-rw-------  1 root  wheel     645748 Apr  3 21:01 netbsd.34.gz
-rw-------  1 root  wheel   37545679 Apr  3 21:01 netbsd.34.core.gz

gunzip necessary files

CF-SX2@makoto 22:19:28/170423(/var/crash)% sudo gunzip netbsd.37.gz 
CF-SX2@makoto 22:19:44/170423(/var/crash)% sudo gunzip netbsd.37.core.gz 

man crash

M: Memory
N: NetBSD (kernel)

CF-SX2@makoto 22:19:50/170423(/var/crash)% sudo crash -M netbsd.37.core -N netbsd.37
Crash version 7.1_RC2, image version 7.1_STABLE.
WARNING: versions differ, you may not be able to examine this image.
System panicked: trap
Backtrace from time of crash is available.
crash> bt
_KERNEL_OPT_NARCNET() at 0
_KERNEL_OPT_ACPI_SCANPCI() at _KERNEL_OPT_ACPI_SCANPCI+0x7
vpanic() at vpanic+0x145
snprintf() at snprintf
startlwp() at startlwp
calltrap() at calltrap+0x11
crash> 

crash> help

b       call   dmesg    help      next  quit  set     sync
watch   break  continue dwatch    kill  p
reboot  show   trace    whatis    bt    d     examine
machine print  s        sifting   until write c
delete  exit   match    ps search step  w     x

crash> dmesg

   (.. omit ..)
video1 at uvideo1: Vimicro Corp. USB HD Webcam, rev 2.00/1.08, addr 4
ahcisata0 port 0: device present, speed: 3.0Gb/s
ahcisata0 port 1: device present, speed: 1.5Gb/s
fatal protection fault in supervisor mode
trap type 4 code 0 rip ffffffff8028270a cs 8 rflags 10046 cr2 7f7ff7ff4000 ilevel 8 rsp fffffe804069dec8
curlwp 0xfffffe811b79fba0 pid 478.1 lowest kstack 0xfffffe804069b2c0
panic: trap
cpu2: Begin traceback...
vpanic() at netbsd:vpanic+0x13c
snprintf() at netbsd:snprintf
startlwp() at netbsd:startlwp
alltraps() at netbsd:alltraps+0x96
cpu2: End traceback...

dumping to dev 0,1 (offset=24696, size=1017001):
dump
crash> 

(compare to normal dmesg)

uhub1 at usb1: vendor 0x8086 EHCI root hub, class 9/0, rev 2.00/1.00, addr 1
uhub1: 2 ports with 2 removable, self powered
ahcisata0 port 0: device present, speed: 3.0Gb/s
ahcisata0 port 1: device present, speed: 1.5Gb/s
drm: Enabling RC6 states: RC6 on, RC6p on, RC6pp off
wd0 at atabus0 drive 0

Other case of trap type 4 code 0 -- PR/49650 --
crash> show reg

ds          0
es          0
fs          0
gs          0
rdi         0
rsi         0
rbp         fffffe804069dc78
rbx         0
rdx         0
rcx         0
rax         0
r8          0
r9          0
r10         0
r11         0
r12         0
r13         0
r14         0
r15         0
rip         0
cs          0
rflags      0
rsp         fffffe804069dc38
ss          0
crash: kvm_read(0x0, 1): invalid translation (invalid PTE)
0:
crash> 

に、

_KERNEL_OPT_NARCNET() at 0

という字が見えるのは、(どの時にも出るから)意味がないのか、 それとも関係あるのか