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[Ronald Duncan <1222033@xxxxxxxxxxxxxxxxxx>]

had a quick look at the log the issue is at

Sep  7 05:23:49 ronald-xubuntu NetworkManager[773]: <info> (wlan0): supplicant interface state: authenticating -> associating
Sep  7 05:23:49 ronald-xubuntu wpa_supplicant[1019]: Associated with a4:b1:e9:40:6b:d1
Sep  7 05:23:49 ronald-xubuntu NetworkManager[773]: <info> (wlan0): supplicant interface state: associating -> 4-way handshake
Sep  7 05:23:52 ronald-xubuntu kernel: [ 2454.163623] wlan0: deauthenticated from a4:b1:e9:40:6b:d1 (Reason: 2)
Sep  7 05:23:52 ronald-xubuntu wpa_supplicant[1019]: WPA: 4-Way Handshake failed - pre-shared key may be incorrect

reboots
Sep  7 04:29:09 ronald-xubuntu kernel: [    0.000000] Linux version 3.2.0-52-generic (buildd@roseapple) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #78-Ubuntu SMP Fri Jul 26 16:21:44 UTC 2013 (Ubuntu 3.2.0-52.78-generic 3.2.48)

wifi working

upgrade kernel
Sep  7 04:43:12 ronald-xubuntu kernel: [    0.000000] Linux version 3.2.0-53-generic (buildd@allspice) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #81-Ubuntu SMP Thu Aug 22 21:01:03 UTC 2013 (Ubuntu 3.2.0-53.81-generic 3.2.50)


wifi stopped

I downgraded using
sudo /etc/kernel/postrm.d/zz-update-grub 3.2.0-52-generic /boot/vmlinuz-3.2.0-52-generic

However uname -a shows
uname -a
Linux ronald-xubuntu 3.2.0-53-generic #81-Ubuntu SMP Thu Aug 22 21:01:03 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux

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https://bugs.launchpad.net/bugs/1222033

Title:
  Wifi encryption does not work Kernel modules: rtl8192se

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  Information for bug Bug #1222029

  linux-image-3.2.0-53-generic

  I forced a dist upgrade (the kernal packages were held back)
  Rebooted
  Wifi stopped working, was able to connect to the wifi network but prompted for WPA & WPA 2 key and then refused to connect.
  Downgraded to 3.2.0-52 and can now connect again and am reporting the bug

  lspci | grep -i wireless
  0f:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8191SEvB Wireless LAN Controller (rev 10)

  lspci -vv -s 0f:00.0
  0f:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8191SEvB Wireless LAN Controller (rev 10)
   Subsystem: Realtek Semiconductor Co., Ltd. RTL8191SEvB Wireless LAN Controller
   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: 32 bytes
   Interrupt: pin A routed to IRQ 18
   Region 0: I/O ports at a000 [size=256]
   Region 1: Memory at f0200000 (32-bit, non-prefetchable) [size=16K]
   Capabilities: [40] Power Management version 3
    Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=375mA PME(D0+,D1+,D2+,D3hot+,D3cold-)
    Status: D0 NoSoftRst- PME-Enable- DSel=0 DScale=0 PME-
   Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit+
    Address: 0000000000000000 Data: 0000
   Capabilities: [70] Express (v1) Legacy Endpoint, MSI 00
    DevCap: MaxPayload 256 bytes, PhantFunc 0, Latency L0s <512ns, L1 <64us
     ExtTag- AttnBtn- AttnInd- PwrInd- RBE+ FLReset-
    DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported-
     RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop-
     MaxPayload 128 bytes, MaxReadReq 512 bytes
    DevSta: CorrErr+ UncorrErr- FatalErr- UnsuppReq+ AuxPwr- TransPend-
    LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s L1, Latency L0 <512ns, L1 <64us
     ClockPM+ Surprise- LLActRep- BwNot-
    LnkCtl: ASPM L1 Enabled; RCB 64 bytes Disabled- Retrain- CommClk+
     ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
    LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
   Capabilities: [100 v1] Advanced Error Reporting
    UESta: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
    UEMsk: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol-
    UESvrt: DLP+ SDES+ TLP- FCP+ CmpltTO- CmpltAbrt- UnxCmplt- RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol-
    CESta: RxErr+ BadTLP+ BadDLLP- Rollover+ Timeout+ NonFatalErr+
    CEMsk: RxErr- BadTLP- BadDLLP- Rollover- Timeout- NonFatalErr+
    AERCap: First Error Pointer: 00, GenCap+ CGenEn- ChkCap+ ChkEn-
   Capabilities: [140 v1] Virtual Channel
    Caps: LPEVC=0 RefClk=100ns PATEntryBits=1
    Arb: Fixed- WRR32- WRR64- WRR128-
    Ctrl: ArbSelect=Fixed
    Status: InProgress-
    VC0: Caps: PATOffset=00 MaxTimeSlots=1 RejSnoopTrans-
     Arb: Fixed- WRR32- WRR64- WRR128- TWRR128- WRR256-
     Ctrl: Enable+ ID=0 ArbSelect=Fixed TC/VC=ff
     Status: NegoPending- InProgress-
   Capabilities: [160 v1] Device Serial Number 88-55-22-fe-ff-4c-e0-00
   Kernel driver in use: rtl8192se
   Kernel modules: rtl8192se

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: linux-image-3.2.0-53-generic 3.2.0-53.81
  ProcVersionSignature: Ubuntu 3.2.0-53.81-generic 3.2.50
  Uname: Linux 3.2.0-53-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
  ApportVersion: 2.0.1-0ubuntu17.4
  Architecture: amd64
  ArecordDevices:
   **** List of CAPTURE Hardware Devices ****
   card 0: SB [HDA ATI SB], device 0: ALC272 Analog [ALC272 Analog]
     Subdevices: 1/1
     Subdevice #0: subdevice #0
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ronald     1747 F.... pulseaudio
                        ronald     1776 F.... xfce4-volumed
  CRDA:
   country EC:
   	(2402 - 2482 @ 40), (N/A, 20)
   	(5170 - 5250 @ 20), (3, 17)
   	(5250 - 5330 @ 20), (3, 23), DFS
   	(5735 - 5835 @ 20), (3, 30)
  Card0.Amixer.info:
   Card hw:0 'SB'/'HDA ATI SB at 0xf0400000 irq 16'
     Mixer name	: 'Realtek ALC272'
     Components	: 'HDA:10ec0272,15587465,00100001'
     Controls      : 25
     Simple ctrls  : 13
  Date: Sat Sep  7 07:10:48 2013
  HibernationDevice: RESUME=UUID=121c8dcc-d4be-4a65-a443-6d92fca106d0
  InstallationMedia: Xubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012)
  MachineType: clevo M7x0K
  MarkForUpload: True
  ProcEnviron:
   LANGUAGE=en_GB:en
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 VESA VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-53-generic root=UUID=d8c867b1-76a8-4e7d-a4a2-0d1be0c9980d ro nomodeset
  RelatedPackageVersions:
   linux-restricted-modules-3.2.0-53-generic N/A
   linux-backports-modules-3.2.0-53-generic  N/A
   linux-firmware                            1.79.6
  RfKill:
   0: phy0: Wireless LAN
   	Soft blocked: no
   	Hard blocked: no
  SourcePackage: linux
  UpgradeStatus: Upgraded to precise on 2012-05-05 (489 days ago)
  dmi.bios.date: 07/28/2009
  dmi.bios.vendor: Phoenix Technologies LTD
  dmi.bios.version: 4.06
  dmi.board.name: M7x0K
  dmi.board.vendor: clevo
  dmi.board.version: Rev 1
  dmi.chassis.asset.tag: None
  dmi.chassis.type: 1
  dmi.chassis.vendor: AMD
  dmi.chassis.version: None
  dmi.modalias: dmi:bvnPhoenixTechnologiesLTD:bvr4.06:bd07/28/2009:svnclevo:pnM7x0K:pvrRev1:rvnclevo:rnM7x0K:rvrRev1:cvnAMD:ct1:cvrNone:
  dmi.product.name: M7x0K
  dmi.product.version: Rev 1
  dmi.sys.vendor: clevo

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