Cannot activate WiFi on Thinkpad X201

[Per olof Ljungmark]

On 05/26/14 16:41, Martin Cracauer wrote:
> The wifi chip in this x201 always says the switch is off, but the
> hardwae switch and the BIOS setting are .
> 
> 
> 
> iwn0: <Intel Centrino Advanced-N 6200> mem 0xf2400000-0xf2401fff irq
> 16 at device 0.0 on pci2
> iwn0: radio is disabled by hardware switch
> 
> [...]
> iwn0 at pci0:2:0:0:        class=0x028000 card=0x13118086 chip=0x42398086
> rev=0x35 hdr=0x00
>     vendor     = 'Intel Corporation'
>     device     = 'Centrino Advanced-N 6200'
>     class      = network
> [...]
> 
> sysctl:
> dev.acpi_ibm.0.wlan: 1 [readonly]
> [...]
> if_iwn_load="YES"
> acpi_video_load="YES"
> legal.intel_iwn.license_ack=1
> if_wpi_load="YES"
> if_iwn_load="YES"
> if_iwnfw_load="YES"
> wlan_wep_load="YES"
> wlan_ccmp_load="YES"
> wlan_tkip_load="YES"
> iwn4965fw_load=YES
> iwn1000fw_load=YES
> iwn5000fw_load=YES
> iwn5150fw_load=YES
> iwn6000fw_load=YES
> iwn6000g2afw_load=YES
> iwn6000g2bfw_load=YES
> iwn6050fw_load=YES
> 
> 
> The hardware lights up the WiFi LED during post but then turns the LED
> off when entering BIOS or bootloader. The hardware switch is on and it
> makes no difference if I work it. The BIOS setting for WiFi is
> on. Using Fn-F5 has no effect either way, however I noticed that the
> Fn switch alone will make the console login cycle, as if return had
> been pressed.
> 
> The thing also refuses to boot from USB on first try after OS reboot
> or poweron and will do so after a control-alt-del on the boot error
> message.
> 
> This is 10-RELEASE 64 bits.
> 
> Am I screwed? Is there hope that I can simulate the Fn-F5 sequence
> from inside via ACPI? Are these Thinkpads still locking in their wifi
> card so that you need a BIOS patch to enable something else?
> 
> I also failed to get an Atheros USB stick when I tried, does anybody
> have a recommendation for a known-Atheros USB stick?

Hi,

>From my x201i

sysctl -a|grep 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: 439
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: 3280
dev.acpi_ibm.0.fan_level: 0
dev.acpi_ibm.0.fan: 1
dev.acpi_ibm.0.handlerevents: NONE

cat /boot/loader.conf
acpi_ibm_load="YES"

Cheers,