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I have to restart my network-manger once in an hour(random time) to get internet working, even after having good wifi signal all of sudden network is down.

Environment Ubuntu 16.04 and realtek wifi adapter.

**rfkill list**
0: hci0: Bluetooth
    Soft blocked: yes
    Hard blocked: no
1: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no

**lspci -knn | grep "net" -A3**
07:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller [10ec:8136] (rev 07)
    Subsystem: Hewlett-Packard Company RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller [103c:80c1]
    Kernel driver in use: r8169
    Kernel modules: r8169
0d:00.0 Display controller [0380]: Advanced Micro Devices, Inc. [AMD/ATI] Sun XT [Radeon HD 8670A/8670M/8690M / R5 M330] [1002:6660] (rev 83)

lspci -knn | grep Net -A3; rfkill list

13:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8723BE PCIe Wireless Network Adapter [10ec:b723]
    Subsystem: Hewlett-Packard Company RTL8723BE PCIe Wireless Network Adapter [103c:804c]
    Kernel driver in use: rtl8723be
    Kernel modules: rtl8723be
0: hci0: Bluetooth
    Soft blocked: yes
    Hard blocked: no
1: phy0: Wireless LAN
    Soft blocked: no
    Hard blocked: no
Pilot6
  • 92,041
vishwanath patil
  • 1

1 Answers1

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You can fix it by upgrading the kernel to 4.10.

Run

sudo apt install linux-generic-hwe-16.04

and reboot.

Pilot6
  • 92,041