I am facing this issue recently instantly with my D-Link DWA-131 wireless adapter. Mine is Ubuntu 16.04 LTS. My adapter was working perfectly since past 3 years. All of a sudden since 2 days, I am facing the issue of slow internet. With the adapter, speed becomes less than 10MB/s. Without the adapter, It shows 80-90MB/s.

I am suspecting some issue is with the D-Link adapter / the driver. Also I cant rely on my inbuilt adapter as it doesn't work always & cant afford to replace motherboard.

Every time I reboot my laptop, I get this exception. Is this somehow causing any issue !!
Exception:
[0.056088] ipmi:dmi : Invalid offset : 0

kindly please help....
Please find results:-

himansu@master: sudo rfkill list all 0: dell-rbtn: Wireless LAN Soft blocked: no Hard blocked: no 1: hci0: Bluetooth Soft blocked: yes Hard blocked: no 2: phy0: Wireless LAN Soft blocked: no Hard blocked: no

Uploaded the result of wireless-info at the link https://paste.ubuntu.com/p/DhpjzZpd2k/

Thanks,
Himansu

  • @chilli555 Kindly help – Himansu Dec 6 at 17:34
  • Please see askubuntu.com/questions/425155/… and edit the question to include results – Jeremy31 Dec 6 at 18:43
  • @Jeremy31 Updated the question with required logs. Please check – Himansu Dec 7 at 3:09
  • @Jeremy31 Please let me know, If any other logs I need to share for troubleshooting. – Himansu Dec 7 at 18:20
  • Why are you forcing it to load rtl8192cu and using the echo "2001 3319" | tee /sys/bus/usb/drivers/rtl8192cu/new_id I would get rid of that, then do sudo sed -i 's/3/2/' /etc/NetworkManager/conf.d/* and reboot – Jeremy31 Dec 7 at 22:22
up vote 0 down vote accepted

You can try a module built from source code on github

sudo apt-get install git build-essential dkms
git clone https://github.com/Mange/rtl8192eu-linux-driver.git
sudo dkms add rtl8192eu-linux-driver
sudo dkms install rtl8192eu/1.0
echo "blacklist rtl8xxxu" | sudo tee /etc/modprobe.d/rtl8xxxu.conf

Reboot

  • Thanks a lot @Jeremy31 – Himansu Dec 8 at 18:09

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