Mahsa Mohammadkhani, could you please test the latest upstream kernel available 
from the very top line at the top of the page (the release names are irrelevant 
for testing in your release) following 
https://wiki.ubuntu.com/KernelMainlineBuilds ? It will allow additional 
upstream developers to examine the issue. Once you've tested the upstream 
kernel, please comment on which kernel version specifically you tested. If this 
bug is fixed in the mainline kernel, please add the following tags:
kernel-fixed-upstream
kernel-fixed-upstream-VERSION-NUMBER

where VERSION-NUMBER is the version number of the kernel you tested exactly 
shown as:
kernel-fixed-upstream-3.18-rc3

This can be done by clicking on the yellow circle with a black pencil
icon next to the word Tags located at the bottom of the bug description.

If the mainline kernel does not fix this bug, please add the following tags:
kernel-bug-exists-upstream
kernel-bug-exists-upstream-VERSION-NUMBER

Once testing of the upstream kernel is complete, please mark this bug's
Status as Confirmed. Please let us know your results. Thank you for your
understanding.

** Description changed:

- Hi,
+ After resuming from suspend via closing the lid, my wireless doesn't
+ work. It  finds the wireless network and tries to reconnect but fails.
+ The only I can solve it now is by restarting. This happens with both my
+ home and university AP. I do not have any other problem with these APs
+ with my other laptop.
  
- I have installed Ubuntu 14.10 on my new laptop (64 bits) on Oct. 25 and
- I got my laptop on Oct. 24, 2014, but after running "modprobe -r
- r8192ee" command and "modprobe r8192ee", where "r8192ee" is the name of
- my wireless module, my wireless connection cannot reconnect to the
- internet, even though it finds the wireless networks and tries to
- reconnect but it fails. I actually notice this bug after my laptop went
- to sleep mode (by closing its lid) and then it was unable to reconnect
- to wireless again. The only I can solve it now is by restarting.
- 
- I have tried it with AP at my home which the router is nearby and with
- AP at my university which is public. In both cases it happends. I do not
- have any other problem with these APs with the other laptop I have.
- 
- The wireless hardware in my laptop (Lenovo T440) was not working at all
- in Ubuntu 14.04, I have teseted it in this week, and it was reported as
- a confirmed bug. I could not run "upstream's compat-wireless backports".
- 
- Here are the details about it:
- 
- uname -a ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- Linux mahsa-ThinkPad-T440 3.16.0-23-generic #31-Ubuntu SMP Tue Oct 21 
17:56:17 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
- 
- 
- lspci -vvxxx ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- 03:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8192EE PCIe 
Wireless Network Adapter
-       Subsystem: Realtek Semiconductor Co., Ltd. Device 001b
-       Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- 
Stepping- SERR- FastB2B- DisINTx+
-       Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort+ <TAbort- 
<MAbort- >SERR- <PERR- INTx-
-       Latency: 0, Cache Line Size: 64 bytes
-       Interrupt: pin A routed to IRQ 64
-       Region 0: I/O ports at 3000 [size=256]
-       Region 2: Memory at f0400000 (64-bit, non-prefetchable) [size=16K]
-       Capabilities: <access denied>
-       Kernel driver in use: r8192ee
- 00: ec 10 8b 81 07 04 10 08 00 00 80 02 10 00 00 00
- 10: 01 30 00 00 00 00 00 00 04 00 40 f0 00 00 00 00
- 20: 00 00 00 00 00 00 00 00 00 00 00 00 ec 10 1b 00
- 30: 00 00 00 00 40 00 00 00 00 00 00 00 ff 01 00 00
- 
- 
- dmesg (After running modprobe -r r8192ee and modprobe 
r8192ee)~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ I tried to re-initialize the kernel module but it doesn't work as per dmesg:
+ modprobe -r r8192ee && modprobe r8192ee
  [  125.586281] wlan0: deauthenticating from f4:7f:35:cc:f6:71 by local choice 
(Reason: 3=DEAUTH_LEAVING)
  [  125.622205] cfg80211: Calling CRDA to update world regulatory domain
  [  125.630473] cfg80211: World regulatory domain updated:
  [  125.630476] cfg80211:  DFS Master region: unset
  [  125.630478] cfg80211:   (start_freq - end_freq @ bandwidth), 
(max_antenna_gain, max_eirp), (dfs_cac_time)
  [  125.630480] cfg80211:   (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 
2000 mBm), (N/A)
  [  125.630482] cfg80211:   (2457000 KHz - 2482000 KHz @ 40000 KHz), (300 mBi, 
2000 mBm), (N/A)
  [  125.630484] cfg80211:   (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 
2000 mBm), (N/A)
  [  125.630485] cfg80211:   (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 
2000 mBm), (N/A)
  [  125.630487] cfg80211:   (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 
2000 mBm), (N/A)
  [  138.859714] cfg80211: Calling CRDA to update world regulatory domain
  [  138.872238] cfg80211: World regulatory domain updated:
  [  138.872240] cfg80211:  DFS Master region: unset
  [  138.872241] cfg80211:   (start_freq - end_freq @ bandwidth), 
(max_antenna_gain, max_eirp), (dfs_cac_time)
  [  138.872243] cfg80211:   (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 
2000 mBm), (N/A)
  [  138.872244] cfg80211:   (2457000 KHz - 2482000 KHz @ 40000 KHz), (300 mBi, 
2000 mBm), (N/A)
  [  138.872245] cfg80211:   (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 
2000 mBm), (N/A)
  [  138.872246] cfg80211:   (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 
2000 mBm), (N/A)
  [  138.872247] cfg80211:   (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 
2000 mBm), (N/A)
  [  138.878321] r8192ee: module is from the staging directory, the quality is 
unknown, you have been warned.
  [  138.879407] mem mapped space: start: 0xf0400000 len:00004000 
flags:00140204, after map:0xffffc90004ff8000
  [  138.879418] Pci Bridge Vendor is found index: 0
  [  138.879420] pcidev busnumber:devnumber:funcnumber:vendor:link_ctl 
3:0:0:10ec:0
  [  138.879421] pci_bridge 
busnumber:devnumber:funcnumber:vendor:pcie_cap:link_ctl_reg:amd 
0:28:1:8086:40:40:0
  [  138.879441] Boot from EFUSE
  [  138.886730] dev_addr: 38:b1:db:00:1b:9b
  [  138.886735] RT Customized ID: 0x12
  [  138.887501] ieee80211 phy0: Selected rate control algorithm 'minstrel_ht'
  [  138.887743] cfg80211: Calling CRDA for country: EC
  [  138.887777] rtlwifi: wireless switch is on
  [  138.888325] r8192ee 0000:03:00.0: irq 64 for MSI/MSI-X
  [  139.587122] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
  [  139.587167] cfg80211: Regulatory domain changed to country: EC
  [  139.587169] cfg80211:  DFS Master region: unset
  [  139.587170] cfg80211:   (start_freq - end_freq @ bandwidth), 
(max_antenna_gain, max_eirp), (dfs_cac_time)
  [  139.587172] cfg80211:   (2402000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 
2000 mBm), (N/A)
  [  139.587173] cfg80211:   (5170000 KHz - 5250000 KHz @ 20000 KHz), (300 mBi, 
1700 mBm), (N/A)
  [  139.587175] cfg80211:   (5250000 KHz - 5330000 KHz @ 20000 KHz), (300 mBi, 
2300 mBm), (0 s)
  [  139.587175] cfg80211:   (5735000 KHz - 5835000 KHz @ 20000 KHz), (300 mBi, 
3000 mBm), (N/A)
  [  149.723735] wlan0: authenticate with f4:7f:35:dd:e1:c1
  [  150.390674] wlan0: direct probe to f4:7f:35:dd:e1:c1 (try 1/3)
  [  150.593636] wlan0: direct probe to f4:7f:35:dd:e1:c1 (try 2/3)
  [  150.797653] wlan0: direct probe to f4:7f:35:dd:e1:c1 (try 3/3)
  [  151.001675] wlan0: authentication with f4:7f:35:dd:e1:c1 timed out
  [  166.155577] wlan0: authenticate with f4:7f:35:f7:29:d1
  [  166.823724] wlan0: direct probe to f4:7f:35:f7:29:d1 (try 1/3)
  [  167.027908] wlan0: direct probe to f4:7f:35:f7:29:d1 (try 2/3)
  [  167.231945] wlan0: direct probe to f4:7f:35:f7:29:d1 (try 3/3)
  [  167.435952] wlan0: authentication with f4:7f:35:f7:29:d1 timed out
  [  182.580710] wlan0: authenticate with f4:7f:35:f6:9e:d1
  [  183.248770] wlan0: direct probe to f4:7f:35:f6:9e:d1 (try 1/3)
  [  183.450239] wlan0: direct probe to f4:7f:35:f6:9e:d1 (try 2/3)
  [  183.654202] wlan0: direct probe to f4:7f:35:f6:9e:d1 (try 3/3)
  [  183.858252] wlan0: authentication with f4:7f:35:f6:9e:d1 timed out
  [  199.016228] wlan0: authenticate with f4:7f:35:cc:f6:71
  [  199.683511] wlan0: direct probe to f4:7f:35:cc:f6:71 (try 1/3)
  [  199.884523] wlan0: direct probe to f4:7f:35:cc:f6:71 (try 2/3)
  [  200.088554] wlan0: direct probe to f4:7f:35:cc:f6:71 (try 3/3)
  [  200.292604] wlan0: authentication with f4:7f:35:cc:f6:71 timed out
  
- Thank you for your help.
- --- 
+ ---
  ApportVersion: 2.14.7-0ubuntu8
  Architecture: amd64
  AudioDevicesInUse:
-  USER        PID ACCESS COMMAND
-  /dev/snd/controlC0:  mahsa      2186 F.... pulseaudio
-  /dev/snd/controlC1:  mahsa      2186 F.... pulseaudio
+  USER        PID ACCESS COMMAND
+  /dev/snd/controlC0:  mahsa      2186 F.... pulseaudio
+  /dev/snd/controlC1:  mahsa      2186 F.... pulseaudio
  CRDA:
-  country EC: DFS-UNSET
-       (2402 - 2482 @ 40), (N/A, 20)
-       (5170 - 5250 @ 20), (3, 17)
-       (5250 - 5330 @ 20), (3, 23), DFS
-       (5735 - 5835 @ 20), (3, 30)
+  country EC: DFS-UNSET
+   (2402 - 2482 @ 40), (N/A, 20)
+   (5170 - 5250 @ 20), (3, 17)
+   (5250 - 5330 @ 20), (3, 23), DFS
+   (5735 - 5835 @ 20), (3, 30)
  DistroRelease: Ubuntu 14.10
  HibernationDevice: RESUME=UUID=ddd1312b-78c0-4393-949e-8507904afc64
  InstallationDate: Installed on 2014-10-26 (13 days ago)
  InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  MachineType: LENOVO 20B6CTO1WW
  Package: linux (not installed)
  ProcEnviron:
-  LANGUAGE=en_CA:en
-  TERM=xterm
-  PATH=(custom, no user)
-  LANG=en_CA.UTF-8
-  SHELL=/bin/bash
+  LANGUAGE=en_CA:en
+  TERM=xterm
+  PATH=(custom, no user)
+  LANG=en_CA.UTF-8
+  SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-24-generic.efi.signed 
root=UUID=74eb8dd9-80ed-4d4b-bacd-d0c8e0749a36 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.16.0-24.32-generic 3.16.4
  PulseList:
-  Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not 
accessible: Permission denied
-  No PulseAudio daemon running, or not running as session daemon.
+  Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not 
accessible: Permission denied
+  No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
-  linux-restricted-modules-3.16.0-24-generic N/A
-  linux-backports-modules-3.16.0-24-generic  N/A
-  linux-firmware                             1.138
+  linux-restricted-modules-3.16.0-24-generic N/A
+  linux-backports-modules-3.16.0-24-generic  N/A
+  linux-firmware                             1.138
  StagingDrivers: r8192ee
  Tags:  utopic staging
  Uname: Linux 3.16.0-24-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:
-  
+ 
  _MarkForUpload: True
  dmi.bios.date: 07/29/2014
  dmi.bios.vendor: LENOVO
  dmi.bios.version: GJET78WW (2.28 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20B6CTO1WW
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0E50512 STD
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: 
dmi:bvnLENOVO:bvrGJET78WW(2.28):bd07/29/2014:svnLENOVO:pn20B6CTO1WW:pvrThinkPadT440:rvnLENOVO:rn20B6CTO1WW:rvrSDK0E50512STD:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 20B6CTO1WW
  dmi.product.version: ThinkPad T440
  dmi.sys.vendor: LENOVO

** Summary changed:

- Wireless does not reconnect after modprobe or sleep in Lenovo T440 Ubuntu 
14.10,  Realtek Semiconductor Co., Ltd. RTL8192EE PCIe Wireless Network Adapter
+ 10ec:818b [Lenovo ThinkPad T440] WiFi does not reconnect after resuming from 
sleep in Ubuntu 14.10

** Changed in: linux (Ubuntu)
   Importance: Low => Medium

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https://bugs.launchpad.net/bugs/1386863

Title:
  10ec:818b [Lenovo ThinkPad T440] WiFi does not reconnect after
  resuming from sleep in Ubuntu 14.10

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