Linux Lite 3.0 - flaky wifi w/Lenovo Ideapad G50 (slow/disconnects)

[bbaker6212]

[EDIT] This is ONLY if you have the Realtek RTL8723BE wifi adapter.  Also, try the parameter mod's in my second post below this one before you go to the trouble of rebuilding the driver with these instructions:

This intermittent wifi issue (slow speeds, random disconnects, no wifi on boot up, etc.) with the common Realtek RTL8723BE WiFi adapter is commonly dealt with on the Ubuntu and Linux Mint forums.  Search there for more info.
I had this issue with Linux Mint Cinnamon 17.2 when I installed it a while back.  Anyway, I did a similar thing to workaround the issue on Linux Lite 3.0, and at least so far seems to be working. Here's what I did, FYI, if you have the same Realtek wifi chip it might help you as well...

root@G50:/home/brad/#

Code:

sudo apt-get install linux-headers-generic build-essential git

root@G50:/home/brad#

Code:

git clone https://github.com/lwfinger/rtlwifi_new

... then...

Code:

cd rtlwifi_new
make clean
sudo make install
sudo modprobe -r rtl8723be
sudo modprobe rtl8723be

root@G50:/home/brad/rtlwifi_new#

Code:

modinfo rtl8723be

filename:      /lib/modules/4.4.0-24-generic/kernel/drivers/net/wireless/realtek/rtlwifi/rtl8723be/rtl8723be.ko
firmware:      rtlwifi/rtl8723befw.bin
description:    Realtek 8723BE 802.11n PCI wireless
license:        GPL
author:        Realtek WlanFAE <[email protected]>
author:        PageHe <[email protected]>
srcversion:    00619764255210776FAB54D
alias:          pci:v000010ECd0000B723sv*sd*bc*sc*i*
depends:        rtlwifi,rtl_pci,btcoexist,mac80211
vermagic:      4.4.0-24-generic SMP mod_unload modversions
parm:          swlps:bool
parm:          swenc:using hardware crypto (default 0 [hardware])
(bool)
parm:          ips:using no link power save (default 1 is open)
(bool)
parm:          fwlps:using linked fw control power save (default 1 is open)
(bool)
parm:          msi:Set to 1 to use MSI interrupts mode (default 0)
(bool)
parm:          debug:Set debug level (0-5) (default 0) (int)
parm:          disable_watchdog:Set to 1 to disable the watchdog (default 0)
(bool)
parm:          ant_sel:Set to 1 or 2 to force antenna number (default 0)
(int)

then create file: /etc/modprobe.d/rtl8723be.conf with the following content

Code:

options rtl8723be debug=0
options rtl8723be fwlps=N
options rtl8723be ips=N
options rtl8723be msi=N

then reboot...

you can then verify those parameter settings...

brad@G50:/home/brad/rtlwifi_new$

Code:

sudo systool -a -v -m rtl8723be | grep -A8 "Parameters:"

  Parameters:
    ant_sel            = "0"
    debug              = "0"
    disable_watchdog    = "N"
    fwlps              = "N"
    ips                = "N"
    msi                = "N"
    swenc              = "N"
    swlps              = "N"

[bbaker6212]

NOTE: Parameter changes which might help...

Code:

echo "options rtl8723be fwlps=N ips=N" | sudo tee /etc/modprobe.d/rtl8723be.conf

reboot.  Still not working? try...

Code:

echo "options rtl8723be debug=0 fwlps=N ips=N msi=N" | sudo tee /etc/modprobe.d/rtl8723be.conf

reboot

Still not working?  Try rebuilding the driver as I did in the orginal post above.