** Description changed:

  After having suspended my Samsung 350V5C S07 and re-activated it, it
  fails to re-connect to the WiFi network.  The syslog says:
  
  Jan 20 10:10:02 wolowitz kernel: [ 3726.335745] ath: phy0: DMA failed to stop 
in 10 ms AR_CR=0xffffffff AR_DIAG_SW=0xffffffff DMADBG_7=0xffffffff
  Jan 20 10:10:02 wolowitz kernel: [ 3726.335746] ath: phy0: Could not stop RX, 
we could be confusing the DMA engine when we start RX up
  Jan 20 10:10:02 wolowitz kernel: [ 3726.395437] ath: phy0: Failed to stop TX 
DMA, queues=0x10f!
  Jan 20 10:10:02 wolowitz kernel: [ 3726.505585] ath: phy0: Chip reset failed
  Jan 20 10:10:02 wolowitz kernel: [ 3726.505588] ath: phy0: Unable to reset 
channel, reset status -22
  Jan 20 10:10:02 wolowitz kernel: [ 3726.505591] ath: phy0: Unable to set 
channel
  
  The above is repeated many times.  Then, finally it says:
  
  Jan 20 10:10:02 wolowitz NetworkManager[936]: <warn> Activation 
(wlan0/wireless): association took too long.
  Jan 20 10:10:02 wolowitz NetworkManager[936]: <info> (wlan0): device state 
change: config -> failed (reason 'no-secrets') [50 120 7]
  Jan 20 10:10:02 wolowitz NetworkManager[936]: <info> Marking connection 
'guppyfan' invalid.
  Jan 20 10:10:03 wolowitz NetworkManager[936]: <warn> Activation (wlan0) 
failed for connection 'guppyfan'
  Jan 20 10:10:03 wolowitz NetworkManager[936]: <warn> Couldn't disconnect 
supplicant interface: This interface is not connected.
  Jan 20 10:10:03 wolowitz NetworkManager[936]: <info> (wlan0): device state 
change: failed -> disconnected (reason 'none') [120 30 0]
  Jan 20 10:10:03 wolowitz NetworkManager[936]: <info> (wlan0): deactivating 
device (reason 'none') [0]
  Jan 20 10:10:03 wolowitz NetworkManager[936]: <warn> Couldn't disconnect 
supplicant interface: This interface is not connected.
  Jan 20 10:10:07 wolowitz NetworkManager[936]: <info> (wlan0): supplicant 
interface state: scanning -> inactive
  
  If I restart the computer, it works again.
- --- 
+ 
+ WORKAROUND: Use 802.11b or 802.11g.
+ 
+ ---
  ApportVersion: 2.6.1-0ubuntu9
  Architecture: amd64
  AudioDevicesInUse:
-  USER        PID ACCESS COMMAND
-  /dev/snd/controlC0:  bronger    1436 F.... pulseaudio
+  USER        PID ACCESS COMMAND
+  /dev/snd/controlC0:  bronger    1436 F.... pulseaudio
  CRDA: Error: [Errno 2] Datei oder Verzeichnis nicht gefunden
  DistroRelease: Ubuntu 12.10
  HibernationDevice: RESUME=UUID=68fbe940-90cd-457f-b3dd-ada0921a5891
  InstallationDate: Installed on 2012-12-31 (19 days ago)
  InstallationMedia: Lubuntu 12.10 "Quantal Quetzal" - Release amd64 
(20121017.1)
  MachineType: SAMSUNG ELECTRONICS CO., LTD. 
350V5C/350V5X/350V4C/350V4X/351V5C/351V5X/351V4C/351V4X/3540VC/3540VX/3440VC/3440VX
  MarkForUpload: True
  Package: linux (not installed)
  ProcFB:
-  0 inteldrmfb
-  1 radeondrmfb
+  0 inteldrmfb
+  1 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-22-generic 
root=UUID=4c02b957-40cb-4308-98eb-0b472d3cb756 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.5.0-22.34-generic 3.5.7.2
  RelatedPackageVersions:
-  linux-restricted-modules-3.5.0-22-generic N/A
-  linux-backports-modules-3.5.0-22-generic  N/A
-  linux-firmware                            1.95
+  linux-restricted-modules-3.5.0-22-generic N/A
+  linux-backports-modules-3.5.0-22-generic  N/A
+  linux-firmware                            1.95
  StagingDrivers: rts5139
  Tags:  quantal staging
  Uname: Linux 3.5.0-22-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  dmi.bios.date: 06/30/2012
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: P04AAL
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: NP350V5C-S07DE
  dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.board.version: BOARD REVISION 00
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 9
  dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.chassis.version: 0.1
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvrP04AAL:bd06/30/2012:svnSAMSUNGELECTRONICSCO.,LTD.:pn350V5C/350V5X/350V4C/350V4X/351V5C/351V5X/351V4C/351V4X/3540VC/3540VX/3440VC/3440VX:pvrP04AAL.022.CP:rvnSAMSUNGELECTRONICSCO.,LTD.:rnNP350V5C-S07DE:rvrBOARDREVISION00:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvr0.1:
  dmi.product.name: 
350V5C/350V5X/350V4C/350V4X/351V5C/351V5X/351V4C/351V4X/3540VC/3540VX/3440VC/3440VX
  dmi.product.version: P04AAL.022.CP
  dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.

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https://bugs.launchpad.net/bugs/1102007

Title:
  168c:0032 WiFi doesn't work with 802.11n

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