I initially reported this against Fedora's bugzilla, but have just reproduced same bug with Debian's kernel.

Description of problem:
Wireless fails to work after I put laptop to sleep.
Laptop is new Lenovo Thinkpad Edge E320.


Version-Release number of selected component (if applicable):

uname -a
Linux thinkfed 2.6.40.3-0.fc15.i686 #1 SMP Tue Aug 16 04:24:09 UTC 2011 i686
i686 i386 GNU/Linux

yum list installed | kernel
kernel.i686                     2.6.40.3-0.fc15     @updates                    


How reproducible:
Just tried multiple times after rebooting and happened everytime.


Steps to Reproduce:
1. Put laptop to sleep.
2. Wake laptop from sleep.
3. Can't use wireless (option to enable wireless in network manager isn't even
available [it's greyed out]).

Noticed warning in dmesg output about RF_KILL switch (see below).
This laptop doesn't have a wifi switch.
And I get this same result if I sleep by closing laptop lid, or just sleep by
choosing sleep from software menu without opening/closing laptop lid.

Need to reboot to get wifi access again.

Actual results:

Let me know what other info is required.

Expected results:


Additional info:


lspci | grep -i wireless
02:00.0 Network controller: Intel Corporation Centrino Wireless-N 1000

dmesg | grep iwl
[   17.527139] iwlagn: Intel(R) Wireless WiFi Link AGN driver for Linux,
in-tree:d
[   17.527143] iwlagn: Copyright(c) 2003-2011 Intel Corporation
[   17.527219] iwlagn 0000:02:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
[   17.527232] iwlagn 0000:02:00.0: setting latency timer to 64
[   17.527263] iwlagn 0000:02:00.0: Detected Intel(R) Centrino(R) Wireless-N
1000 BGN, REV=0x6C
[   17.548412] iwlagn 0000:02:00.0: device EEPROM VER=0x15d, CALIB=0x6
[   17.548414] iwlagn 0000:02:00.0: Device SKU: 0X9
[   17.548416] iwlagn 0000:02:00.0: Valid Tx ant: 0X1, Valid Rx ant: 0X3
[   17.548428] iwlagn 0000:02:00.0: Tunable channels: 13 802.11bg, 0 802.11a
channels
[   17.548516] iwlagn 0000:02:00.0: irq 42 for MSI/MSI-X
[   17.551509] iwlagn 0000:02:00.0: loaded firmware version 39.31.5.1 build
35138
[   18.202197] ieee80211 phy0: Selected rate control algorithm 'iwl-agn-rs'
[   22.780923] NetworkManager[801]: <info> (wlan0): new 802.11 WiFi device
(driver: 'iwlagn' ifindex: 3)
[  166.280423] iwlagn 0000:02:00.0: restoring config space at offset 0xf (was
0x100, writing 0x10a)
[  166.280462] iwlagn 0000:02:00.0: restoring config space at offset 0x4 (was
0x4, writing 0x91600004)
[  166.280471] iwlagn 0000:02:00.0: restoring config space at offset 0x3 (was
0x0, writing 0x10)
[  166.280483] iwlagn 0000:02:00.0: restoring config space at offset 0x1 (was
0x100000, writing 0x100006)
[  166.281424] iwlagn 0000:02:00.0: RF_KILL bit toggled to disable radio.