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[Bug 1000208] Re: 10ec:8171 wifi network get disconnected periodically -- Realtek RTL8191SEvA

 

I filed a new report over at bug #1238968.

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https://bugs.launchpad.net/bugs/1000208

Title:
  10ec:8171 wifi network get disconnected periodically -- Realtek
  RTL8191SEvA

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  I found a few similar bugs in launchpad history but they are at least
  3-4 years old, and I encounter this problem just after upgrade to
  12.04!

  I consulted a colleague who is a network expert, he suggested me to
  stop using wireless mouse, adjusted router settings, such as changed
  channels,  added mac address binding, stopped ssid broadcasting, just
  in case there are some hackers trying to attack my network, but to no
  avail.

  Their are still possibilities of hardware configuration, environment
  issues or hackers around my house, but the most strange thing that
  triggered me reporting this bug is that all my other devices like
  windows laptop, android phones are all OK, only this Ubuntu laptop
  having problem!

  I also attach 2 files, one is the output of a ping command so that you
  can see what happened (during the ping session I tried to let network
  manager reconnect, even if it reconnected, the network is still not
  pingable.

  Another file is syslog about the network manager.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.04
  Package: network-manager 0.9.4.0-0ubuntu4
  ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14
  Uname: Linux 3.2.0-24-generic x86_64
  ApportVersion: 2.0.1-0ubuntu7
  Architecture: amd64
  Date: Wed May 16 20:47:46 2012
  IfupdownConfig:
   auto lo
   iface lo inet loopback
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
  IpRoute:
   default via 10.0.0.3 dev wlan0  proto static 
   10.0.0.0/24 dev wlan0  proto kernel  scope link  src 10.0.0.202  metric 2 
   169.254.0.0/16 dev wlan0  scope link  metric 1000
  NetworkManager.state:
   [main]
   NetworkingEnabled=true
   WirelessEnabled=true
   WWANEnabled=true
   WimaxEnabled=true
  SourcePackage: network-manager
  UpgradeStatus: No upgrade log present (probably fresh install)
  nmcli-con:
   NAME                      UUID                                   TYPE              TIMESTAMP    TIMESTAMP-REAL                     AUTOCONNECT   READONLY   DBUS-PATH                                 
   Wired connection 1        1438463e-1c73-40f3-b17c-7e348b229da5   802-3-ethernet    1337172058   2012年05月16日 星期三 20时40分58秒 yes           no         /org/freedesktop/NetworkManager/Settings/1
   MINGYANG                  3cba4065-6d37-46ff-b35b-1f94b2bae5ba   802-11-wireless   1337172358   2012年05月16日 星期三 20时45分58秒 yes           no         /org/freedesktop/NetworkManager/Settings/0
  nmcli-dev:
   DEVICE     TYPE              STATE         DBUS-PATH                                  
   wlan0      802-11-wireless   connected     /org/freedesktop/NetworkManager/Devices/1  
   eth0       802-3-ethernet    unavailable   /org/freedesktop/NetworkManager/Devices/0
  nmcli-nm:
   RUNNING         VERSION    STATE           NET-ENABLED   WIFI-HARDWARE   WIFI       WWAN-HARDWARE   WWAN      
   running         0.9.4.0    connected       enabled       enabled         enabled    enabled         disabled
  --- 
  ApportVersion: 2.6.1-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  xrfang     2170 F.... pulseaudio
   /dev/snd/controlC0:  xrfang     2170 F.... pulseaudio
  DistroRelease: Ubuntu 12.10
  HibernationDevice: RESUME=UUID=3ff6f291-f4b3-43e6-9597-97497c7191c2
  IfupdownConfig:
   auto lo
   iface lo inet loopback
  InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release amd64 (20120425)
  IpRoute:
   default via 10.0.0.3 dev wlan0  proto static 
   10.0.0.0/24 dev wlan0  proto kernel  scope link  src 10.0.0.103  metric 9 
   169.254.0.0/16 dev wlan0  scope link  metric 1000
  MachineType: Hewlett-Packard HP G32 Notebook PC
  NetworkManager.state:
   [main]
   NetworkingEnabled=true
   WirelessEnabled=true
   WWANEnabled=true
   WimaxEnabled=true
  Package: network-manager 0.9.6.0-0ubuntu7
  PackageArchitecture: amd64
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-17-generic root=UUID=d9e5ee0c-a966-4a4e-98b1-46fb99421588 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 3.5.0-17.28-generic 3.5.5
  RelatedPackageVersions:
   linux-restricted-modules-3.5.0-17-generic N/A
   linux-backports-modules-3.5.0-17-generic  N/A
   linux-firmware                            1.95
  Tags:  quantal running-unity quantal running-unity
  Uname: Linux 3.5.0-17-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo vboxusers
  dmi.bios.date: 10/21/2010
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: F.23
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: 146B
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: 58.27
  dmi.chassis.asset.tag: CNU10432PS
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnHewlett-Packard:bvrF.23:bd10/21/2010:svnHewlett-Packard:pnHPG32NotebookPC:pvr0498110000242710000010100:rvnHewlett-Packard:rn146B:rvr58.27:cvnHewlett-Packard:ct10:cvrChassisVersion:
  dmi.product.name: HP G32 Notebook PC
  dmi.product.version: 0498110000242710000010100
  dmi.sys.vendor: Hewlett-Packard
  mtime.conffile..etc.NetworkManager.NetworkManager.conf: 2012-06-19T21:19:14.737169
  nmcli-dev:
   DEVICE     TYPE              STATE         DBUS-PATH                                  
   wlan0      802-11-wireless   connected     /org/freedesktop/NetworkManager/Devices/1  
   eth0       802-3-ethernet    unavailable   /org/freedesktop/NetworkManager/Devices/0
  nmcli-nm:
   RUNNING         VERSION    STATE           NET-ENABLED   WIFI-HARDWARE   WIFI       WWAN-HARDWARE   WWAN      
   running         0.9.6.0    connected       enabled       enabled         enabled    enabled         disabled

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