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My Wifi seems to be hard blocked when powering my notebook and could not
be unblocked via keyboard switch (Fn + print_screen) nor any other
hardware key. Only if I go to suspend mode and resume the Wifi is
unblocked.

Laptop model is Dell XPS 15 (9530) with Intel 7260 AC Wifi card.

I'm using Ubuntu 15.04, same problem with 14.04 LTS and 14.10. BIOS
installed: A08 (also had this problem with A06 and A07). Wifi is working
in Windows 8.1 without problems.

Output of cat /sys/kernel/debug/dell_laptop before suspending:

status:	0x6030D
Bit 0 : Hardware switch supported:   1
Bit 1 : Wifi locator supported:      0
Bit 2 : Wifi is supported:           1
Bit 3 : Bluetooth is supported:      1
Bit 4 : WWAN is supported:           0
Bit 5 : Wireless keyboard supported: 0
Bit 8 : Wifi is installed:           1
Bit 9 : Bluetooth is installed:      1
Bit 10: WWAN is installed:           0
Bit 16: Hardware switch is on:       0
Bit 17: Wifi is blocked:             1
Bit 18: Bluetooth is blocked:        1
Bit 19: WWAN is blocked:             0

hwswitch_state:	0x0
Bit 0 : Wifi controlled by switch:      0
Bit 1 : Bluetooth controlled by switch: 0
Bit 2 : WWAN controlled by switch:      0
Bit 7 : Wireless switch config locked:  0
Bit 8 : Wifi locator enabled:           0
Bit 15: Wifi locator setting locked:    0

after resuming:

status:	0x6030D
Bit 0 : Hardware switch supported:   1
Bit 1 : Wifi locator supported:      0
Bit 2 : Wifi is supported:           1
Bit 3 : Bluetooth is supported:      1
Bit 4 : WWAN is supported:           0
Bit 5 : Wireless keyboard supported: 0
Bit 8 : Wifi is installed:           1
Bit 9 : Bluetooth is installed:      1
Bit 10: WWAN is installed:           0
Bit 16: Hardware switch is on:       0
Bit 17: Wifi is blocked:             1
Bit 18: Bluetooth is blocked:        1
Bit 19: WWAN is blocked:             0

hwswitch_state:	0x0
Bit 0 : Wifi controlled by switch:      0
Bit 1 : Bluetooth controlled by switch: 0
Bit 2 : WWAN controlled by switch:      0
Bit 7 : Wireless switch config locked:  0
Bit 8 : Wifi locator enabled:           0
Bit 15: Wifi locator setting locked:    0

More reports at http://ubuntuforums.org/showthread.php?t=2260505

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: bot-comment
-- 
Dell XPS 15 (9530) - Wifi hard blocked on startup
https://bugs.launchpad.net/bugs/1443873
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