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[Bug 1335646] [NEW] Wireless often disconnects, signal strength doesn't maintain proper levels

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Public bug reported:

System:    Host: innerdistance-Satellite-L650 Kernel: 3.13.0-30-generic x86_64 (64 bit) 
           Desktop: Gnome Distro: Ubuntu 14.04 trusty
Machine:   System: TOSHIBA product: Satellite L650 version: PSK1EE-00Y007SK
           Mobo: TOSHIBA model: Portable PC Bios: INSYDE version: 1.80 date: 09/01/2010
CPU:       Dual core Intel Core i3 CPU M 330 (-HT-MCP-) cache: 3072 KB flags: (lm nx sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx) 
           Clock Speeds: 1: 2133.00 MHz 2: 933.00 MHz 3: 2133.00 MHz 4: 933.00 MHz
Graphics:  Card: Intel Core Processor Integrated Graphics Controller 
           X.Org: 1.15.1 drivers: intel (unloaded: fbdev,vesa) Resolution: 1366x768@60.0hz 
           GLX Renderer: Mesa DRI Intel Ironlake Mobile GLX Version: 2.1 Mesa 10.1.3
Audio:     Card: Intel 5 Series/3400 Series High Definition Audio driver: snd_hda_intel Sound: ALSA ver: k3.13.0-30-generic
Network:   Card-1: Realtek RTL8191SEvB Wireless LAN Controller driver: rtl8192se 
           IF: wlan0 state: up mac: b4:82:fe:bd:63:26
           Card-2: Qualcomm Atheros AR8152 v1.1 Fast Ethernet driver: atl1c 
           IF: eth0 state: down mac: 00:26:6c:6e:2e:52
Drives:    HDD Total Size: 500.1GB (41.5% used) 1: id: /dev/sda model: Hitachi_HTS54505 size: 500.1GB 
Partition: ID: / size: 46G used: 7.4G (17%) fs: ext4 ID: /home size: 241G used: 187G (82%) fs: ext4 
           ID: swap-1 size: 4.09GB used: 0.00GB (0%) fs: swap 
RAID:      No RAID devices detected - /proc/mdstat and md_mod kernel raid module present
Sensors:   System Temperatures: cpu: 53.0C mobo: N/A 
           Fan Speeds (in rpm): cpu: N/A 
Info:      Processes: 238 Uptime: 3 min Memory: 1295.4/3754.0MB Client: Shell (bash) inxi: 1.9.17 

SUMMARY: What happens is that the laptop often loses connection on a
local wireless network that is properly set up. Other devices are
connected to the same network without any issues even when the
connection drops on my device. Even my Android phone maintains the
connection nicely.

This occurs with random devices and random networks and is an ongoing
issue that has lasted throughout many kernel cycles and needs to be
addressed.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-30-generic 3.13.0-30.54
ProcVersionSignature: Ubuntu 3.13.0-30.54-generic 3.13.11.2
Uname: Linux 3.13.0-30-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.2
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  inoki      2434 F.... pulseaudio
CurrentDesktop: Unity
Date: Sun Jun 29 18:57:26 2014
HibernationDevice: RESUME=UUID=840d11e6-004d-49d8-9e60-2b660f9c1ce1
InstallationDate: Installed on 2014-06-12 (16 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
MachineType: TOSHIBA Satellite L650
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-30-generic root=UUID=5f0421c6-35ae-44ea-a80a-60c2dae71af1 ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-3.13.0-30-generic N/A
 linux-backports-modules-3.13.0-30-generic  N/A
 linux-firmware                             1.127.4
RfKill:
 0: phy0: Wireless LAN
 	Soft blocked: no
 	Hard blocked: no
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 09/01/2010
dmi.bios.vendor: INSYDE
dmi.bios.version: 1.80
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: Portable PC
dmi.board.vendor: TOSHIBA
dmi.board.version: Base Board Version
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Chassis Manufacturer
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnINSYDE:bvr1.80:bd09/01/2010:svnTOSHIBA:pnSatelliteL650:pvrPSK1EE-00Y007SK:rvnTOSHIBA:rnPortablePC:rvrBaseBoardVersion:cvnChassisManufacturer:ct10:cvrChassisVersion:
dmi.product.name: Satellite L650
dmi.product.version: PSK1EE-00Y007SK
dmi.sys.vendor: TOSHIBA

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug trusty

-- 
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https://bugs.launchpad.net/bugs/1335646

Title:
  Wireless often disconnects, signal strength doesn't maintain proper
  levels

Status in “linux” package in Ubuntu:
  New

Bug description:
  System:    Host: innerdistance-Satellite-L650 Kernel: 3.13.0-30-generic x86_64 (64 bit) 
             Desktop: Gnome Distro: Ubuntu 14.04 trusty
  Machine:   System: TOSHIBA product: Satellite L650 version: PSK1EE-00Y007SK
             Mobo: TOSHIBA model: Portable PC Bios: INSYDE version: 1.80 date: 09/01/2010
  CPU:       Dual core Intel Core i3 CPU M 330 (-HT-MCP-) cache: 3072 KB flags: (lm nx sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx) 
             Clock Speeds: 1: 2133.00 MHz 2: 933.00 MHz 3: 2133.00 MHz 4: 933.00 MHz
  Graphics:  Card: Intel Core Processor Integrated Graphics Controller 
             X.Org: 1.15.1 drivers: intel (unloaded: fbdev,vesa) Resolution: 1366x768@60.0hz 
             GLX Renderer: Mesa DRI Intel Ironlake Mobile GLX Version: 2.1 Mesa 10.1.3
  Audio:     Card: Intel 5 Series/3400 Series High Definition Audio driver: snd_hda_intel Sound: ALSA ver: k3.13.0-30-generic
  Network:   Card-1: Realtek RTL8191SEvB Wireless LAN Controller driver: rtl8192se 
             IF: wlan0 state: up mac: b4:82:fe:bd:63:26
             Card-2: Qualcomm Atheros AR8152 v1.1 Fast Ethernet driver: atl1c 
             IF: eth0 state: down mac: 00:26:6c:6e:2e:52
  Drives:    HDD Total Size: 500.1GB (41.5% used) 1: id: /dev/sda model: Hitachi_HTS54505 size: 500.1GB 
  Partition: ID: / size: 46G used: 7.4G (17%) fs: ext4 ID: /home size: 241G used: 187G (82%) fs: ext4 
             ID: swap-1 size: 4.09GB used: 0.00GB (0%) fs: swap 
  RAID:      No RAID devices detected - /proc/mdstat and md_mod kernel raid module present
  Sensors:   System Temperatures: cpu: 53.0C mobo: N/A 
             Fan Speeds (in rpm): cpu: N/A 
  Info:      Processes: 238 Uptime: 3 min Memory: 1295.4/3754.0MB Client: Shell (bash) inxi: 1.9.17 

  SUMMARY: What happens is that the laptop often loses connection on a
  local wireless network that is properly set up. Other devices are
  connected to the same network without any issues even when the
  connection drops on my device. Even my Android phone maintains the
  connection nicely.

  This occurs with random devices and random networks and is an ongoing
  issue that has lasted throughout many kernel cycles and needs to be
  addressed.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.13.0-30-generic 3.13.0-30.54
  ProcVersionSignature: Ubuntu 3.13.0-30.54-generic 3.13.11.2
  Uname: Linux 3.13.0-30-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  inoki      2434 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Sun Jun 29 18:57:26 2014
  HibernationDevice: RESUME=UUID=840d11e6-004d-49d8-9e60-2b660f9c1ce1
  InstallationDate: Installed on 2014-06-12 (16 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  MachineType: TOSHIBA Satellite L650
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-30-generic root=UUID=5f0421c6-35ae-44ea-a80a-60c2dae71af1 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.13.0-30-generic N/A
   linux-backports-modules-3.13.0-30-generic  N/A
   linux-firmware                             1.127.4
  RfKill:
   0: phy0: Wireless LAN
   	Soft blocked: no
   	Hard blocked: no
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 09/01/2010
  dmi.bios.vendor: INSYDE
  dmi.bios.version: 1.80
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: Portable PC
  dmi.board.vendor: TOSHIBA
  dmi.board.version: Base Board Version
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: Chassis Manufacturer
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnINSYDE:bvr1.80:bd09/01/2010:svnTOSHIBA:pnSatelliteL650:pvrPSK1EE-00Y007SK:rvnTOSHIBA:rnPortablePC:rvrBaseBoardVersion:cvnChassisManufacturer:ct10:cvrChassisVersion:
  dmi.product.name: Satellite L650
  dmi.product.version: PSK1EE-00Y007SK
  dmi.sys.vendor: TOSHIBA

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