Follow by step in
http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/acpi-debug.html
#sysctl debug.bootverbose=1
#sysctl debug.acpi.suspend_bounce=1
#acpiconf -s 3 (or push Fn+F3)
After a moment, the display is light and black, LED Sleep is light.
But it cant be resume. No button can do resume.
Some useful info:
hw.acpi : http://pastebin.com/zknEPdVS
acpidump : http://pastebin.com/uH4hXywR
dmesg : http://pastebin.com/wdqi7mfW
In /var/log/message: http://pastebin.com/fcWKMUd7
Jul 2 16:43:22 x201i acpi: suspend at 20120702 16:43:22
[It Can't resume, so I push power force to close my x201. ]
Jul 2 16:52:11 x201i syslogd: kernel boot file is /boot/kernel/kernel
#uname -a
FreeBSD x201i.honestqiao 9.0-STABLE FreeBSD 9.0-STABLE #0: Wed Jun 13 22:36:36
CST 2012 root@x201i.honestqiao:/usr/obj/usr/src/sys/GENERIC amd64
#vmstat -i
interrupt total rate
irq1: atkbd0 16 0
irq9: acpi0 727 4
irq19: ehci1 338 2
irq23: ehci0 255 1
cpu0:timer 7607 50
irq264: em0 135 0
irq265: hdac0 66 0
irq266: iwn0 15781 105
irq267: ahci0 5732 38
cpu1:timer 1578 10
cpu3:timer 1819 12
cpu2:timer 1510 10
irq268: vgapci0 3 0
Total 35567 237
#kldstat
Id Refs Address Size Name
1 85 0xffffffff80200000 1301fa8 kernel
2 1 0xffffffff81502000 2087f0 zfs.ko
3 2 0xffffffff8170b000 5c68 opensolaris.ko
4 2 0xffffffff81711000 484e0 linux.ko
5 1 0xffffffff8175a000 f4d8 aio.ko
6 1 0xffffffff8176a000 29e0 coretemp.ko
7 1 0xffffffff8176d000 3028 amdtemp.ko
8 1 0xffffffff81771000 27398 drm.ko
9 1 0xffffffff81799000 ba40 mmc.ko
10 1 0xffffffff817a5000 4218 mmcsd.ko
12 1 0xffffffff817b0000 6568 cuse4bsd.ko
13 1 0xffffffff817b7000 de08 tmpfs.ko
14 3 0xffffffff817c5000 8ab0 libiconv.ko
15 1 0xffffffff817ce000 24c8 libmchain.ko
16 1 0xffffffff817d1000 11c8 cd9660_iconv.ko
17 1 0xffffffff817d3000 11e0 msdosfs_iconv.ko
18 1 0xffffffff817d5000 10768 cpufreq.ko
19 1 0xffffffff817e6000 59b8 acpi_ibm.ko
20 1 0xffffffff817ec000 6668 sem.ko
21 1 0xffffffff81a12000 15c2 fdescfs.ko
22 1 0xffffffff81a14000 3dfd linprocfs.ko
23 1 0xffffffff81a18000 a9bb fuse.ko
24 1 0xffffffff81a23000 5f7b7 i915kms.ko
25 1 0xffffffff81a83000 123d iicbb.ko
26 4 0xffffffff81a85000 12ff iicbus.ko
27 1 0xffffffff81a87000 dc9 iic.ko
28 1 0xffffffff81a88000 2be29 drm2.ko
#sysctl dev.acpi_ibm
dev.acpi_ibm.0.%desc: IBM ThinkPad ACPI Extras
dev.acpi_ibm.0.%driver: acpi_ibm
dev.acpi_ibm.0.%location: handle=\_SB_.PCI0.LPC_.EC__.HKEY
dev.acpi_ibm.0.%pnpinfo: _HID=IBM0068 _UID=0
dev.acpi_ibm.0.%parent: acpi0
dev.acpi_ibm.0.initialmask: 2060
dev.acpi_ibm.0.availmask: 134217727
dev.acpi_ibm.0.events: 1
dev.acpi_ibm.0.eventmask: 134217727
dev.acpi_ibm.0.hotkey: 388
dev.acpi_ibm.0.lcd_brightness: 0
dev.acpi_ibm.0.volume: 7
dev.acpi_ibm.0.mute: 0
dev.acpi_ibm.0.thinklight: 0
dev.acpi_ibm.0.bluetooth: 0
dev.acpi_ibm.0.wlan: 1
dev.acpi_ibm.0.fan_speed: 3265
dev.acpi_ibm.0.fan_level: 2
dev.acpi_ibm.0.fan: 0
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