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[Anders Lanzen <anders.lanzen@xxxxxxxxx>]

The same problem occurs for me with the latest v.3.11-07 kernel. Signal
strength is very low and with some encodings (WPA2?) does not work at
all (connection dropped after some seconds). I have spent days trying to
fix this bug without luck. Proprietary drivers for rt3290 from Realtek
do not compile in the 3.11 kernel and caused kernel panic frequently in
3.9, why I upgraded to saucy.  I see no other solution than to change
computers or replace the wifi card, for now.

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https://bugs.launchpad.net/bugs/1221876

Title:
  1814:5390 [Asus X55A] Driver rt2800pci doesn't work, WiFi logout and
  login continuously

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  After connecting to a local wifi network, Ubuntu 13.04 will log out randomly.
  Driver rt2800pci doesn't work, WiFi logout and login continuously.
  2 out of 3 times I am able to turn of the wifi, then turn it back on and connect. One third of the time it disconnects and will not re-enter despite restarting, forgetting network, configuring network, ect. This has occurred on multiple different wifi networks and routers. I have a Asus laptop.
  Network controller: Ralink corp. RT5390 Wireless 802.11n 1T/1R PCIe.
  I tried to download and install 3.10 kernel, but the problem is the same.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: linux-image-3.8.0-30-generic 3.8.0-30.44
  ProcVersionSignature: Ubuntu 3.8.0-30.44-generic 3.8.13.6
  Uname: Linux 3.8.0-30-generic x86_64
  ApportVersion: 2.9.2-0ubuntu8.4
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ambra      3894 F.... pulseaudio
  Date: Fri Sep  6 20:01:13 2013
  HibernationDevice: RESUME=UUID=705401ee-af26-4c2a-95e5-410ecbc4b319
  InstallationDate: Installed on 2013-06-03 (95 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  MachineType: ASUSTeK COMPUTER INC. X55A
  MarkForUpload: True
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=it_IT.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-30-generic root=UUID=9f89f8a0-ac6b-4eae-8aa1-f53eb9bdbd63 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.8.0-30-generic N/A
   linux-backports-modules-3.8.0-30-generic  N/A
   linux-firmware                            1.106
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 08/20/2012
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: X55A.413
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: X55A
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK COMPUTER INC.
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrX55A.413:bd08/20/2012:svnASUSTeKCOMPUTERINC.:pnX55A:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnX55A:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
  dmi.product.name: X55A
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK COMPUTER INC.

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