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[Bug 1482979] Re: RealTek RTL8821AE at Asus R510L with Ubuntu 14.04 disconnect issues and ping dropped packages


Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.2 kernel[0].

If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.

If the mainline kernel does not fix this bug, please add the tag:

Once testing of the upstream kernel is complete, please mark this bug as

Thanks in advance.

[0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.2-rc6-unstable/

** Changed in: linux (Ubuntu)
   Importance: Undecided => Medium

** Changed in: linux (Ubuntu)
       Status: Confirmed => Incomplete

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  RealTek RTL8821AE at Asus R510L with Ubuntu 14.04 disconnect issues
  and ping dropped packages

Status in linux package in Ubuntu:

Bug description:

  The problem occurs at Ubuntu 14.04 LTS and Asus R510L notebook with RTL8821ae driver. Wifi has the following problems:
  - Wifi periodically disconnects and stops working - system reboot needed,
  - Around 10-20% of ping packages is dropped,
  - dmesg reports a  lot of stuff with rtl8821ae-0.

  The above were tested while connecting with Asus,TPlink and Linksys
  Access Points.

  $ lsb_release -rd
  Description:	Ubuntu 14.04.3 LTS
  Release:	14.04
  $ cat /proc/version_signature
  Ubuntu 3.13.0-61.100-generic 3.13.11-ckt22

  I attach the following files:
  $ dmesg|grep rtl8821ae > dmesg_rtl8821ae.log
  $ sudo lspci -vnvn > lspci-vnvn.log

  I'd be grateful for any information how to fix the bug.

  Best regards,

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-extra-3.13.0-61-generic 3.13.0-61.100
  ProcVersionSignature: Ubuntu 3.13.0-61.100-generic 3.13.11-ckt22
  Uname: Linux 3.13.0-61-generic x86_64
  ApportVersion: 2.14.1-0ubuntu3.11
  Architecture: amd64
   /dev/snd/controlC1:  uw         2001 F.... pulseaudio
   /dev/snd/controlC0:  uw         2001 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Sun Aug  9 13:19:02 2015
  EcryptfsInUse: Yes
  InstallationDate: Installed on 2014-08-08 (365 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-61-generic.efi.signed root=UUID=cab1c267-8c3f-46cb-ba6c-c9715db749a6 ro quiet splash vt.handoff=7
   linux-restricted-modules-3.13.0-61-generic N/A
   linux-backports-modules-3.13.0-61-generic  N/A
   linux-firmware                             1.127.14
  SourcePackage: linux
  StagingDrivers: rtl8821ae
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 01/17/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: X550LN.300
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: X550LN
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: ATN12345678901234567
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK COMPUTER INC.
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrX550LN.300:bd01/17/2014:svnASUSTeKCOMPUTERINC.:pnX550LN:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnX550LN:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
  dmi.product.name: X550LN
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK COMPUTER INC.

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