Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.16 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/v4.16

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

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  Wifi  realtek 8822be BUG <=18.04

Status in linux package in Ubuntu:

Bug description:
  I am a regular linux user and i have bought last week a new computer
  that comes with the realtek 8822be wireless chipset.

  While using Ubuntu 16.04(Kernel version updated to 4.14 where we
  started to have support to this chipset) or both 18.04 beta 1 and
  final version i found a problem:

  1º when i boot all this versions with the kernel version >= 4.14, i
  found out that the driver is instaled and she is detected in the
  network manager.Anyway, when i used she won´t work and in few secconds
  later will shutdown. When i go to the wifi settings i can´t find

  2º I use modprobe so that i can manipulate my drivers/modules and i can start 
to work with my wifi card:
  -> modprobe -rv r8822be
  -> modprobe -v  r8822be aspm=0

  The problem is that when i connect to a 5ghz frequency router, i have
  very slow download speed 8 mbps max (Usually my speed is approximately
  200/210 mbps in wifi mode).In the outher hand when i connect  to a
  2.4ghz frequency router it works fine!


  Best regards

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