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[getaceres <getaceres@xxxxxxxxx>]

Public bug reported:

Similar to but 1312358, the connection gets cut everytime I'm downloading a big file or a group of big files. The indicator in network manager appears connected but I can't access any site until the wifi connection is restarted. 
Observed in Ubuntu 14.04 and 14.10.
I've tried with the solution in the aforementioned bug but I get this:

$ sudo iwconfig wlan0 power on
Error for wireless request "Set Power Management" (8B2C) :
    SET failed on device wlan0 ; Operation not supported.

ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: linux-image-generic 3.16.0.23.24
ProcVersionSignature: Ubuntu 3.16.0-23.31-generic 3.16.4
Uname: Linux 3.16.0-23-generic x86_64
ApportVersion: 2.14.7-0ubuntu8
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  ubuntu-gnome   4222 F.... pulseaudio
CasperVersion: 1.345
CurrentDesktop: GNOME
Date: Sun Nov 23 19:55:42 2014
LiveMediaBuild: Ubuntu-GNOME 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
MachineType: Hewlett-Packard HP Pavilion dv6 Notebook PC
ProcFB:
 0 inteldrmfb
 1 radeondrmfb
ProcKernelCmdLine: noprompt cdrom-detect/try-usb=true persistent file=/cdrom/preseed/username.seed boot=casper initrd=/casper/initrd.lz quiet splash -- BOOT_IMAGE=/casper/vmlinuz.efi
RelatedPackageVersions:
 linux-restricted-modules-3.16.0-23-generic N/A
 linux-backports-modules-3.16.0-23-generic  N/A
 linux-firmware                             1.138
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 06/24/2011
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.17
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 3388
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 10.2F
dmi.chassis.asset.tag: Chassis Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnHewlett-Packard:bvrF.17:bd06/24/2011:svnHewlett-Packard:pnHPPaviliondv6NotebookPC:pvr058F110000244610000620100:rvnHewlett-Packard:rn3388:rvr10.2F:cvnHewlett-Packard:ct10:cvrChassisVersion:
dmi.product.name: HP Pavilion dv6 Notebook PC
dmi.product.version: 058F110000244610000620100
dmi.sys.vendor: Hewlett-Packard

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


** Tags: amd64 apport-bug utopic

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https://bugs.launchpad.net/bugs/1395520

Title:
  Broadcom Wifi connection gets cut when downloading files

Status in “linux” package in Ubuntu:
  New

Bug description:
  Similar to but 1312358, the connection gets cut everytime I'm downloading a big file or a group of big files. The indicator in network manager appears connected but I can't access any site until the wifi connection is restarted. 
  Observed in Ubuntu 14.04 and 14.10.
  I've tried with the solution in the aforementioned bug but I get this:

  $ sudo iwconfig wlan0 power on
  Error for wireless request "Set Power Management" (8B2C) :
      SET failed on device wlan0 ; Operation not supported.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: linux-image-generic 3.16.0.23.24
  ProcVersionSignature: Ubuntu 3.16.0-23.31-generic 3.16.4
  Uname: Linux 3.16.0-23-generic x86_64
  ApportVersion: 2.14.7-0ubuntu8
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ubuntu-gnome   4222 F.... pulseaudio
  CasperVersion: 1.345
  CurrentDesktop: GNOME
  Date: Sun Nov 23 19:55:42 2014
  LiveMediaBuild: Ubuntu-GNOME 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  MachineType: Hewlett-Packard HP Pavilion dv6 Notebook PC
  ProcFB:
   0 inteldrmfb
   1 radeondrmfb
  ProcKernelCmdLine: noprompt cdrom-detect/try-usb=true persistent file=/cdrom/preseed/username.seed boot=casper initrd=/casper/initrd.lz quiet splash -- BOOT_IMAGE=/casper/vmlinuz.efi
  RelatedPackageVersions:
   linux-restricted-modules-3.16.0-23-generic N/A
   linux-backports-modules-3.16.0-23-generic  N/A
   linux-firmware                             1.138
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 06/24/2011
  dmi.bios.vendor: Hewlett-Packard
  dmi.bios.version: F.17
  dmi.board.asset.tag: Base Board Asset Tag
  dmi.board.name: 3388
  dmi.board.vendor: Hewlett-Packard
  dmi.board.version: 10.2F
  dmi.chassis.asset.tag: Chassis Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: Hewlett-Packard
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnHewlett-Packard:bvrF.17:bd06/24/2011:svnHewlett-Packard:pnHPPaviliondv6NotebookPC:pvr058F110000244610000620100:rvnHewlett-Packard:rn3388:rvr10.2F:cvnHewlett-Packard:ct10:cvrChassisVersion:
  dmi.product.name: HP Pavilion dv6 Notebook PC
  dmi.product.version: 058F110000244610000620100
  dmi.sys.vendor: Hewlett-Packard

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