I get the following dmesg when disabling the hardware switch:
[  790.570143] iwlagn: Radio Frequency Kill Switch is On:
[  790.570149] Kill switch must be turned off for wireless networking to work.
[  790.792348] usb 1-1: USB disconnect, address 10
[  790.792356] usb 1-1.1: USB disconnect, address 11
[  790.804352] usb 1-1.2: USB disconnect, address 12
[  793.897099] iwlagn: Error sending REPLY_ADD_STA: enqueue_hcmd failed: -5
[  793.897114] mac80211-phy0: failed to remove key (0, 02:10:18:01:00:01) from hardware (-5)
[  793.897215] wlan0: disassociating by local choice (reason=3)
[  793.927564] iwlagn: Error sending REPLY_ADD_STA: enqueue_hcmd failed: -5
[  793.927577] mac80211-phy0: failed to remove key (1, ff:ff:ff:ff:ff:ff) from hardware (-5)



And this when enabling:
[  835.612312] usb 1-1: new full speed USB device using uhci_hcd and address 13
[  835.793465] usb 1-1: configuration #1 chosen from 1 choice
[  835.796747] hub 1-1:1.0: USB hub found
[  835.799049] hub 1-1:1.0: 3 ports detected
[  836.083190] usb 1-1.1: new full speed USB device using uhci_hcd and address 14
[  836.209624] usb 1-1.1: configuration #1 chosen from 1 choice
[  836.229575] input: HID 413c:8157 as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.1/1-1.1:1.0/input/input19
[  836.265034] generic-usb 0003:413C:8157.0008: input,hidraw1: USB HID v1.11 Keyboard [HID 413c:8157] on usb-0000:00:1a.0-1.1/input0
[  836.347700] usb 1-1.2: new full speed USB device using uhci_hcd and address 15
[  836.475948] usb 1-1.2: configuration #1 chosen from 1 choice
[  836.514721] input: HID 413c:8158 as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.2/1-1.2:1.0/input/input20
[  836.525117] generic-usb 0003:413C:8158.0009: input,hidraw2: USB HID v1.11 Mouse [HID 413c:8158] on usb-0000:00:1a.0-1.2/input0
[  838.730578] Registered led device: iwl-phy0:radio
[  838.730618] Registered led device: iwl-phy0:assoc
[  838.730655] Registered led device: iwl-phy0:RX
[  838.730690] Registered led device: iwl-phy0:TX
[  838.747892] ADDRCONF(NETDEV_UP): wlan0: link is not ready
[  838.753048] wlan0: direct probe to AP 00:1e:2a:23:e4:c6 try 1
[  838.911655] wlan0 direct probe responded
[  838.911667] wlan0: authenticate with AP 00:1e:2a:23:e4:c6
[  839.071618] wlan0: authenticated
[  839.071629] wlan0: associate with AP 00:1e:2a:23:e4:c6
[  839.231864] wlan0: RX AssocResp from 00:1e:2a:23:e4:c6 (capab=0x401 status=0 aid=1)
[  839.231872] wlan0: associated
[  839.233877] phy0: failed to restore operational channel after scan
[  839.234341] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[  839.234551] wlan0: disassociating by local choice (reason=3)
[  849.896074] wlan0: no IPv6 routers present
[  866.107266] wlan0: authenticate with AP 02:10:18:01:00:01
[  866.109267] wlan0: authenticate with AP 02:10:18:01:00:01
[  866.111478] wlan0: authenticated
[  866.111485] wlan0: associate with AP 02:10:18:01:00:01
[  866.114943] wlan0: RX AssocResp from 02:10:18:01:00:01 (capab=0x411 status=0 aid=3)
[  866.114950] wlan0: associated


Now if I run hcitool scan I have this output:
Device is not available: No such device


When I do a /etc/init.d/bluetooth restart I get this dmesg:
[  964.529392] usb 1-1.2: usbfs: process 6411 (hid2hci) did not claim interface 0 before use
[  964.825523] usb 1-1.3: new full speed USB device using uhci_hcd and address 16
[  964.952815] usb 1-1.3: configuration #1 chosen from 1 choice