Wifi issues with RTL8723BE in linux mint.

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hchodnekar
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Wifi issues with RTL8723BE in linux mint.

Post by hchodnekar » Sun Sep 16, 2018 2:18 pm

I installed linux mint a couple days ago and was having issues with wifi connectivity. The wifi signal was very slow and wifi connection kept dropping. So, I tried this solution I found on the forums by JeremyB
JeremyB wrote:
Mon May 07, 2018 5:41 am
It likely only has one antenna on a card designed for 2, in terminal

Code: Select all

sudo modprobe -r rtl8723be && sleep 15 && sudo modprobe rtl8723be ant_sel=2
If that fixes the issue do

Code: Select all

echo "options rtl8723be ant_sel=2" | sudo tee /etc/modprobe.d/rtl8723be-ant.conf
This worked and wifi was working fine I had proper connection. But today after reboot the same issues are back again and ant-sel doesn't seem to be working. Wifi works fine in windows 10. How do I get wifi to work properly? I have RTL8723BE wifi card in my laptop.

JeremyB
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Re: Wifi issues with RTL8723BE in linux mint.

Post by JeremyB » Sun Sep 16, 2018 2:24 pm

Use a kernel older than 4.15.0-33 or you can

Code: Select all

sudo apt-get install dkms git build-essential
git clone https://github.com/lwfinger/rtlwifi_new.git
sudo dkms add ./rtlwifi_new
sudo dkms install rtlwifi-new/0.6
With this fix you will need to have Secure Boot disabled in BIOS/UEFI, you can check status by installing mokutil

Code: Select all

sudo apt install moktil && mokutil --sb-state

hchodnekar
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Re: Wifi issues with RTL8723BE in linux mint.

Post by hchodnekar » Sun Sep 16, 2018 2:57 pm

JeremyB wrote:
Sun Sep 16, 2018 2:24 pm
Use a kernel older than 4.15.0-33 or you can

Code: Select all

sudo apt-get install dkms git build-essential
git clone https://github.com/lwfinger/rtlwifi_new.git
sudo dkms add ./rtlwifi_new
sudo dkms install rtlwifi-new/0.6
With this fix you will need to have Secure Boot disabled in BIOS/UEFI, you can check status by installing mokutil

Code: Select all

sudo apt install moktil && mokutil --sb-state
Did the or part and now there is no wireless option. :lol:

JeremyB
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Re: Wifi issues with RTL8723BE in linux mint.

Post by JeremyB » Sun Sep 16, 2018 3:15 pm

What does

Code: Select all

lspci -nnk | grep -iA3 net; mokutil --sb-state
Show us?

hchodnekar
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Re: Wifi issues with RTL8723BE in linux mint.

Post by hchodnekar » Sun Sep 16, 2018 3:31 pm

This.

Code: Select all

08:00.0 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 modules: rtl8723be
09:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller [10ec:8136] (rev 0a)
	Subsystem: Hewlett-Packard Company RTL810xE PCI Express Fast Ethernet controller [103c:8096]
	Kernel driver in use: r8169
	Kernel modules: r8169
0a:00.0 3D controller [0302]: NVIDIA Corporation GM108M [GeForce 940M] [10de:1347] (rev a2)
SecureBoot disabled

JeremyB
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Re: Wifi issues with RTL8723BE in linux mint.

Post by JeremyB » Sun Sep 16, 2018 3:56 pm

Post results for

Code: Select all

modinfo rtl8723be

hchodnekar
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Re: Wifi issues with RTL8723BE in linux mint.

Post by hchodnekar » Sun Sep 16, 2018 4:36 pm

Code: Select all

filename:       /lib/modules/4.15.0-34-generic/updates/rtl8723be.ko
firmware:       rtlwifi/rtl8723befw_36.bin
firmware:       rtlwifi/rtl8723befw.bin
description:    Realtek 8723BE 802.11n PCI wireless
license:        GPL
author:         Realtek WlanFAE	<wlanfae@realtek.com>
author:         PageHe	<page_he@realsil.com.cn>
srcversion:     1B45BB96576F0C4D6674527
alias:          pci:v000010ECd0000B723sv*sd*bc*sc*i*
depends:        rtlwifi,rtl8723-common,rtl_pci,btcoexist,mac80211
retpoline:      Y
name:           rtl8723be
vermagic:       4.15.0-34-generic SMP mod_unload 
signat:         PKCS#7
signer:         
sig_key:        
sig_hashalgo:   md4
parm:           swenc:Set to 1 for software crypto (default 0)
 (bool)
parm:           ips:Set to 0 to not use link power save (default 1)
 (bool)
parm:           swlps:Set to 1 to use SW control power save (default 0)
 (bool)
parm:           fwlps:Set to 1 to use FW control power save (default 1)
 (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)

JeremyB
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Re: Wifi issues with RTL8723BE in linux mint.

Post by JeremyB » Sun Sep 16, 2018 4:44 pm

What happens when you

Code: Select all

sudo modprobe -v rtl8723be

hchodnekar
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Re: Wifi issues with RTL8723BE in linux mint.

Post by hchodnekar » Sun Sep 16, 2018 5:01 pm

Code: Select all

insmod /lib/modules/4.15.0-34-generic/kernel/drivers/net/wireless/realtek/rtlwifi/rtl8723com/rtl8723-common.ko 
modprobe: ERROR: could not insert 'rtl8723be': Unknown symbol in module, or unknown parameter (see dmesg)

JeremyB
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Re: Wifi issues with RTL8723BE in linux mint.

Post by JeremyB » Sun Sep 16, 2018 5:14 pm

Code: Select all

dmesg | grep rtl8723be
Strange as that works in Ubuntu with the same kernel

hchodnekar
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Re: Wifi issues with RTL8723BE in linux mint.

Post by hchodnekar » Sun Sep 16, 2018 5:17 pm

dmesg with rtl8723be returned empty so i did one with rtl only

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[   12.557757] Bluetooth: hci0: rtl: examining hci_ver=06 hci_rev=000b lmp_ver=06 lmp_subver=8723
[   12.557759] Bluetooth: hci0: rtl: loading rtl_bt/rtl8723b_config.bin
[   12.578039] rtlwifi: loading out-of-tree module taints kernel.
[   12.578104] rtlwifi: module verification failed: signature and/or required key missing - tainting kernel
[   12.733569] bluetooth hci0: Direct firmware load for rtl_bt/rtl8723b_config.bin failed with error -2
[   12.733576] Bluetooth: hci0: rtl: loading rtl_bt/rtl8723b_fw.bin
[   12.829482] rtl8723_common: Unknown symbol rtl_fw_page_write (err 0)
[   12.829527] rtl8723_common: Unknown symbol rtl_fill_dummy (err 0)
[ 1634.058330] rtl8723_common: Unknown symbol rtl_fw_page_write (err 0)
[ 1634.058362] rtl8723_common: Unknown symbol rtl_fill_dummy (err 0)
[ 2685.875311] rtl8723_common: Unknown symbol rtl_fw_page_write (err 0)
[ 2685.875343] rtl8723_common: Unknown symbol rtl_fill_dummy (err 0)

JeremyB
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Re: Wifi issues with RTL8723BE in linux mint.

Post by JeremyB » Sun Sep 16, 2018 5:19 pm

See the wireless script link in my signature and post results

hchodnekar
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Re: Wifi issues with RTL8723BE in linux mint.

Post by hchodnekar » Sun Sep 16, 2018 5:23 pm


JeremyB
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Re: Wifi issues with RTL8723BE in linux mint.

Post by JeremyB » Sun Sep 16, 2018 5:29 pm

This is strange, do

Code: Select all

cd rtlwifi_new
git status
What does it show?

hchodnekar
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Re: Wifi issues with RTL8723BE in linux mint.

Post by hchodnekar » Sun Sep 16, 2018 5:35 pm

On branch master
Your branch is up to date with 'origin/master'.

nothing to commit, working tree clean

JeremyB
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Re: Wifi issues with RTL8723BE in linux mint.

Post by JeremyB » Sun Sep 16, 2018 6:29 pm

I would use the grub menu at boot advanced options menu to boot into a kernel older than 4.15.0-33 for now

KlakB
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Re: Wifi issues with RTL8723BE in linux mint.

Post by KlakB » Sat Sep 22, 2018 7:28 pm

Hi there. Not at all sure if it's appropriate to post here, but I am having a very similar issue with RTL8723BE on this HP Laptop. Network Manager shows the wireless device, but does not find any available networks. Airplane Mode / F12 key disables and enables the device. Tried updating everything, EVERYTHING including kernel, etc. Formatted and reinstalled 18.3 Sylvia. Wanting to try fixes in their proper order this time. Thanks in advance!

http://termbin.com/z9ew

Code: Select all

########## wireless info START ##########

Report from: 22 Sep 2018 16:53 MDT -0600

Booted last: 22 Sep 2018 00:00 MDT -0600

Script from: 10 Jan 2018 20:04 UTC +0000

##### release ###########################

Distributor ID:	LinuxMint
Description:	Linux Mint 18.3 Sylvia
Release:	18.3
Codename:	sylvia

##### kernel ############################

Linux 4.10.0-38-generic #42~16.04.1-Ubuntu SMP Tue Oct 10 16:32:20 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux

Parameters: ro, quiet, splash, vt.handoff=7

##### desktop ###########################

Cinnamon

##### lspci #############################

02:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8723BE PCIe Wireless Network Adapter [10ec:b723]
	DeviceName: SANJI
	Subsystem: Hewlett-Packard Company RTL8723BE PCIe Wireless Network Adapter [103c:804c]

03:00.0 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:80cc]
	Kernel driver in use: r8169

##### lsusb #############################

Bus 002 Device 003: ID 064e:930b Suyin Corp. 
Bus 002 Device 002: ID 0438:7900 Advanced Micro Devices, Inc. 
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 004: ID 0bda:b006 Realtek Semiconductor Corp. 
Bus 001 Device 003: ID 046d:c016 Logitech, Inc. Optical Wheel Mouse
Bus 001 Device 002: ID 0438:7900 Advanced Micro Devices, Inc. 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

##### PCMCIA card info ##################

##### rfkill ############################

0: phy0: Wireless LAN
	Soft blocked: no
	Hard blocked: no
1: hci0: Bluetooth
	Soft blocked: no
	Hard blocked: no

##### lsmod #############################

hp_wmi                 16384  0
sparse_keymap          16384  1 hp_wmi
rtl8723be              90112  0
btcoexist              53248  1 rtl8723be
rtl8723_common         24576  1 rtl8723be
rtl_pci                28672  1 rtl8723be
rtlwifi                73728  2 rtl_pci,rtl8723be
mac80211              782336  3 rtl_pci,rtlwifi,rtl8723be
cfg80211              602112  2 mac80211,rtlwifi
wmi                    16384  1 hp_wmi

##### interfaces ########################

[/etc/network/interfaces]
auto lo
iface lo inet loopback

##### ifconfig ##########################

enp3s0    Link encap:Ethernet  HWaddr <MAC 'enp3s0' [IF1]>  
          inet addr:192.168.1.11  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::61a5:6407:d20b:4d4f/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:65931 errors:0 dropped:0 overruns:0 frame:0
          TX packets:18146 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:27257076 (27.2 MB)  TX bytes:1863440 (1.8 MB)

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:1430 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1430 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:150751 (150.7 KB)  TX bytes:150751 (150.7 KB)

wlo1      Link encap:Ethernet  HWaddr <MAC 'wlo1' [IF2]>  
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

##### iwconfig ##########################

lo        no wireless extensions.

enp3s0    no wireless extensions.

wlo1      IEEE 802.11  ESSID:off/any  
          Mode:Managed  Access Point: Not-Associated   Tx-Power=20 dBm   
          Retry short limit:7   RTS thr=2347 B   Fragment thr:off
          Power Management:off
          

##### route #############################

Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
0.0.0.0         192.168.1.1     0.0.0.0         UG    100    0        0 enp3s0
169.254.0.0     0.0.0.0         255.255.0.0     U     1000   0        0 enp3s0
192.168.1.0     0.0.0.0         255.255.255.0   U     100    0        0 enp3s0

##### resolv.conf #######################

nameserver 127.0.1.1

##### network managers ##################

Installed:

	NetworkManager

Running:

root       896     1  0 00:24 ?        00:00:05 /usr/sbin/NetworkManager --no-daemon

##### NetworkManager info ###############

GENERAL.DEVICE:                         enp3s0
GENERAL.TYPE:                           ethernet
GENERAL.NM-TYPE:                        NMDeviceEthernet
GENERAL.VENDOR:                         Realtek Semiconductor Co., Ltd.
GENERAL.PRODUCT:                        RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller
GENERAL.DRIVER:                         r8169
GENERAL.DRIVER-VERSION:                 2.3LK-NAPI
GENERAL.FIRMWARE-VERSION:               
GENERAL.HWADDR:                         <MAC 'enp3s0' [IF1]>
GENERAL.MTU:                            1500
GENERAL.STATE:                          100 (connected)
GENERAL.REASON:                         0 (No reason given)
GENERAL.UDI:                            /sys/devices/pci0000:00/0000:00:02.5/0000:03:00.0/net/enp3s0
GENERAL.IP-IFACE:                       enp3s0
GENERAL.IS-SOFTWARE:                    no
GENERAL.NM-MANAGED:                     yes
GENERAL.AUTOCONNECT:                    yes
GENERAL.FIRMWARE-MISSING:               no
GENERAL.NM-PLUGIN-MISSING:              no
GENERAL.PHYS-PORT-ID:                   --
GENERAL.CONNECTION:                     Wired connection 1
GENERAL.CON-UUID:                       d114d361-3b63-3fde-995b-971103e44b94
GENERAL.CON-PATH:                       /org/freedesktop/NetworkManager/ActiveConnection/0
GENERAL.METERED:                        no (guessed)
CAPABILITIES.CARRIER-DETECT:            yes
CAPABILITIES.SPEED:                     100 Mb/s
CAPABILITIES.IS-SOFTWARE:               no
WIRED-PROPERTIES.CARRIER:               on
CONNECTIONS.AVAILABLE-CONNECTION-PATHS: /org/freedesktop/NetworkManager/Settings/{0}
CONNECTIONS.AVAILABLE-CONNECTIONS[1]:   d114d361-3b63-3fde-995b-971103e44b94 | Wired connection 1
IP4.ADDRESS[1]:                         192.168.1.11/24
IP4.GATEWAY:                            192.168.1.1
IP4.ROUTE[1]:                           dst = 169.254.0.0/16, nh = 0.0.0.0, mt = 1000
IP4.DNS[1]:                             24.116.0.53
IP4.DNS[2]:                             24.116.2.50
DHCP4.OPTION[1]:                        requested_subnet_mask = 1
DHCP4.OPTION[2]:                        requested_rfc3442_classless_static_routes = 1
DHCP4.OPTION[3]:                        subnet_mask = 255.255.255.0
DHCP4.OPTION[4]:                        domain_name_servers = 24.116.0.53 24.116.2.50
DHCP4.OPTION[5]:                        ip_address = 192.168.1.11
DHCP4.OPTION[6]:                        requested_static_routes = 1
DHCP4.OPTION[7]:                        dhcp_server_identifier = 192.168.1.1
DHCP4.OPTION[8]:                        default_ip_ttl = 64
DHCP4.OPTION[9]:                        requested_time_offset = 1
DHCP4.OPTION[10]:                       time_offset = 0
DHCP4.OPTION[11]:                       broadcast_address = 192.168.1.255
DHCP4.OPTION[12]:                       requested_interface_mtu = 1
DHCP4.OPTION[13]:                       requested_domain_name_servers = 1
DHCP4.OPTION[14]:                       dhcp_rebinding_time = 3150
DHCP4.OPTION[15]:                       dhcp_message_type = 5
DHCP4.OPTION[16]:                       requested_broadcast_address = 1
DHCP4.OPTION[17]:                       routers = 192.168.1.1
DHCP4.OPTION[18]:                       dhcp_renewal_time = 1800
DHCP4.OPTION[19]:                       requested_domain_name = 1
DHCP4.OPTION[20]:                       requested_routers = 1
DHCP4.OPTION[21]:                       expiry = 1537659404
DHCP4.OPTION[22]:                       requested_wpad = 1
DHCP4.OPTION[23]:                       requested_netbios_scope = 1
DHCP4.OPTION[24]:                       requested_ms_classless_static_routes = 1
DHCP4.OPTION[25]:                       requested_netbios_name_servers = 1
DHCP4.OPTION[26]:                       network_number = 192.168.1.0
DHCP4.OPTION[27]:                       requested_domain_search = 1
DHCP4.OPTION[28]:                       requested_ntp_servers = 1
DHCP4.OPTION[29]:                       next_server = 192.168.1.1
DHCP4.OPTION[30]:                       requested_host_name = 1
DHCP4.OPTION[31]:                       dhcp_lease_time = 3600
IP6.ADDRESS[1]:                         fe80::61a5:6407:d20b:4d4f/64
IP6.GATEWAY:                            

GENERAL.DEVICE:                         wlo1
GENERAL.TYPE:                           wifi
GENERAL.NM-TYPE:                        NMDeviceWifi
GENERAL.VENDOR:                         Realtek Semiconductor Co., Ltd.
GENERAL.PRODUCT:                        RTL8723BE PCIe Wireless Network Adapter
GENERAL.DRIVER:                         rtl8723be
GENERAL.DRIVER-VERSION:                 4.10.0-38-generic
GENERAL.FIRMWARE-VERSION:               N/A
GENERAL.HWADDR:                         <MAC 'wlo1' [IF2]>
GENERAL.MTU:                            0
GENERAL.STATE:                          30 (disconnected)
GENERAL.REASON:                         42 (The supplicant is now available)
GENERAL.UDI:                            /sys/devices/pci0000:00/0000:00:02.4/0000:02:00.0/net/wlo1
GENERAL.IP-IFACE:                       
GENERAL.IS-SOFTWARE:                    no
GENERAL.NM-MANAGED:                     yes
GENERAL.AUTOCONNECT:                    yes
GENERAL.FIRMWARE-MISSING:               no
GENERAL.NM-PLUGIN-MISSING:              no
GENERAL.PHYS-PORT-ID:                   --
GENERAL.CONNECTION:                     --
GENERAL.CON-UUID:                       --
GENERAL.CON-PATH:                       --
GENERAL.METERED:                        unknown
CAPABILITIES.CARRIER-DETECT:            no
CAPABILITIES.SPEED:                     unknown
CAPABILITIES.IS-SOFTWARE:               no
WIFI-PROPERTIES.WEP:                    yes
WIFI-PROPERTIES.WPA:                    yes
WIFI-PROPERTIES.WPA2:                   yes
WIFI-PROPERTIES.TKIP:                   yes
WIFI-PROPERTIES.CCMP:                   yes
WIFI-PROPERTIES.AP:                     yes
WIFI-PROPERTIES.ADHOC:                  yes
WIFI-PROPERTIES.2GHZ:                   yes
WIFI-PROPERTIES.5GHZ:                   no
CONNECTIONS.AVAILABLE-CONNECTION-PATHS: 

SSID  BSSID  MODE  CHAN  FREQ  RATE  SIGNAL  BARS  SECURITY  ACTIVE  * 

##### NetworkManager.state ##############

[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true

##### NetworkManager.conf ###############

[main]
plugins=ifupdown,keyfile,ofono
dns=dnsmasq

[ifupdown]
managed=false

##### NetworkManager profiles ###########

##### Netplan config ####################

##### iw reg get ########################

Region: America/Boise (based on set time zone)

country 00: DFS-UNSET
	(2402 - 2472 @ 40), (N/A, 20), (N/A)
	(2457 - 2482 @ 20), (N/A, 20), (N/A), NO-IR
	(2474 - 2494 @ 20), (N/A, 20), (N/A), NO-OFDM, NO-IR
	(5170 - 5250 @ 80), (N/A, 20), (N/A), NO-IR
	(5250 - 5330 @ 80), (N/A, 20), (0 ms), DFS, NO-IR
	(5490 - 5730 @ 160), (N/A, 20), (0 ms), DFS, NO-IR
	(5735 - 5835 @ 80), (N/A, 20), (N/A), NO-IR
	(57240 - 63720 @ 2160), (N/A, 0), (N/A)

##### iwlist channels ###################

lo        no frequency information.

enp3s0    no frequency information.

wlo1      13 channels in total; available frequencies :
          Channel 01 : 2.412 GHz
          Channel 02 : 2.417 GHz
          Channel 03 : 2.422 GHz
          Channel 04 : 2.427 GHz
          Channel 05 : 2.432 GHz
          Channel 06 : 2.437 GHz
          Channel 07 : 2.442 GHz
          Channel 08 : 2.447 GHz
          Channel 09 : 2.452 GHz
          Channel 10 : 2.457 GHz
          Channel 11 : 2.462 GHz
          Channel 12 : 2.467 GHz
          Channel 13 : 2.472 GHz

##### iwlist scan #######################

lo        Interface doesn't support scanning.

enp3s0    Interface doesn't support scanning.

wlo1      No scan results

##### module infos ######################

[rtl8723be]
filename:       /lib/modules/4.10.0-38-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	<wlanfae@realtek.com>
author:         PageHe	<page_he@realsil.com.cn>
srcversion:     8A4042E8F447BFEE8F45BA5
depends:        rtlwifi,rtl8723-common,rtl_pci,btcoexist,mac80211
intree:         Y
vermagic:       4.10.0-38-generic SMP mod_unload 
parm:           swenc:Set to 1 for software crypto (default 0)
 (bool)
parm:           ips:Set to 0 to not use link power save (default 1)
 (bool)
parm:           swlps:Set to 1 to use SW control power save (default 0)
 (bool)
parm:           fwlps:Set to 1 to use FW control power save (default 1)
 (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)

[rtl8723_common]
filename:       /lib/modules/4.10.0-38-generic/kernel/drivers/net/wireless/realtek/rtlwifi/rtl8723com/rtl8723-common.ko
description:    Realtek RTL8723AE/RTL8723BE 802.11n PCI wireless common routines
license:        GPL
author:         Larry Finger	<Larry.Finger@lwfinger.net>
author:         Realtek WlanFAE	<wlanfae@realtek.com>
srcversion:     B06F4AE01E9561133D82E7E
depends:        
intree:         Y
vermagic:       4.10.0-38-generic SMP mod_unload 

[rtl_pci]
filename:       /lib/modules/4.10.0-38-generic/kernel/drivers/net/wireless/realtek/rtlwifi/rtl_pci.ko
description:    PCI basic driver for rtlwifi
license:        GPL
author:         Larry Finger	<Larry.FInger@lwfinger.net>
author:         Realtek WlanFAE	<wlanfae@realtek.com>
author:         lizhaoming	<chaoming_li@realsil.com.cn>
srcversion:     B93F82B28F7945C22514E4D
depends:        mac80211,rtlwifi
intree:         Y
vermagic:       4.10.0-38-generic SMP mod_unload 

[rtlwifi]
filename:       /lib/modules/4.10.0-38-generic/kernel/drivers/net/wireless/realtek/rtlwifi/rtlwifi.ko
description:    Realtek 802.11n PCI wireless core
license:        GPL
author:         Larry Finger	<Larry.FInger@lwfinger.net>
author:         Realtek WlanFAE	<wlanfae@realtek.com>
author:         lizhaoming	<chaoming_li@realsil.com.cn>
srcversion:     884DE3F31278351A45DA409
depends:        mac80211,cfg80211
intree:         Y
vermagic:       4.10.0-38-generic SMP mod_unload 

[mac80211]
filename:       /lib/modules/4.10.0-38-generic/kernel/net/mac80211/mac80211.ko
license:        GPL
description:    IEEE 802.11 subsystem
srcversion:     309C9ACED540FCAA1DE7422
depends:        cfg80211
intree:         Y
vermagic:       4.10.0-38-generic SMP mod_unload 
parm:           minstrel_vht_only:Use only VHT rates when VHT is supported by sta. (bool)
parm:           max_nullfunc_tries:Maximum nullfunc tx tries before disconnecting (reason 4). (int)
parm:           max_probe_tries:Maximum probe tries before disconnecting (reason 4). (int)
parm:           beacon_loss_count:Number of beacon intervals before we decide beacon was lost. (int)
parm:           probe_wait_ms:Maximum time(ms) to wait for probe response before disconnecting (reason 4). (int)
parm:           ieee80211_default_rc_algo:Default rate control algorithm for mac80211 to use (charp)

[cfg80211]
filename:       /lib/modules/4.10.0-38-generic/kernel/net/wireless/cfg80211.ko
description:    wireless configuration support
license:        GPL
author:         Johannes Berg
srcversion:     D77C8F93375950F3BA95B16
depends:        
intree:         Y
vermagic:       4.10.0-38-generic SMP mod_unload 
parm:           bss_entries_limit:limit to number of scan BSS entries (per wiphy, default 1000) (int)
parm:           ieee80211_regdom:IEEE 802.11 regulatory domain code (charp)
parm:           cfg80211_disable_40mhz_24ghz:Disable 40MHz support in the 2.4GHz band (bool)

##### module parameters #################

[rtl8723be]
ant_sel: 0
debug: 0
disable_watchdog: N
fwlps: Y
ips: Y
msi: N
swenc: N
swlps: N

[mac80211]
beacon_loss_count: 7
ieee80211_default_rc_algo: minstrel_ht
max_nullfunc_tries: 2
max_probe_tries: 5
minstrel_vht_only: Y
probe_wait_ms: 500

[cfg80211]
bss_entries_limit: 1000
cfg80211_disable_40mhz_24ghz: N
ieee80211_regdom: 00

##### /etc/modules ######################

##### modprobe options ##################

[/etc/modprobe.d/blacklist-ath_pci.conf]
blacklist ath_pci

[/etc/modprobe.d/blacklist.conf]
blacklist evbug
blacklist usbmouse
blacklist usbkbd
blacklist eepro100
blacklist de4x5
blacklist eth1394
blacklist snd_intel8x0m
blacklist snd_aw2
blacklist i2c_i801
blacklist prism54
blacklist bcm43xx
blacklist garmin_gps
blacklist asus_acpi
blacklist snd_pcsp
blacklist pcspkr
blacklist amd76x_edac

[/etc/modprobe.d/blacklist-rare-network.conf]
alias net-pf-3 off
alias net-pf-6 off
alias net-pf-9 off
alias net-pf-11 off
alias net-pf-12 off
alias net-pf-19 off
alias net-pf-21 off
alias net-pf-36 off

[/etc/modprobe.d/iwlwifi.conf]
remove iwlwifi \
(/sbin/lsmod | grep -o -e ^iwlmvm -e ^iwldvm -e ^iwlwifi | xargs /sbin/rmmod) \
&& /sbin/modprobe -r mac80211

[/etc/modprobe.d/mlx4.conf]
softdep mlx4_core post: mlx4_en

##### rc.local ##########################

exit 0

##### pm-utils ##########################

##### udev rules ########################

##### dmesg #############################

[   19.920913] ieee80211 phy0: Selected rate control algorithm 'rtl_rc'
[   19.921619] rtlwifi: rtlwifi: wireless switch is on
[   20.303002] rtl8723be 0000:02:00.0 wlo1: renamed from wlan0
[   20.323531] Bluetooth: hci0: rtl: examining hci_ver=06 hci_rev=000b lmp_ver=06 lmp_subver=8723
[   20.323535] Bluetooth: hci0: rtl: loading rtl_bt/rtl8723b_config.bin
[   20.356951] bluetooth hci0: Direct firmware load for rtl_bt/rtl8723b_config.bin failed with error -2
[   20.356960] Bluetooth: hci0: Failed to load rtl_bt/rtl8723b_config.bin
[   20.356966] Bluetooth: hci0: rtl: loading rtl_bt/rtl8723b_fw.bin
[   28.384141] IPv6: ADDRCONF(NETDEV_UP): wlo1: link is not ready (repeated 2 times)
[   28.958687] IPv6: ADDRCONF(NETDEV_UP): enp3s0: link is not ready
[   29.262316] r8169 0000:03:00.0 enp3s0: link down (repeated 2 times)
[   29.262454] IPv6: ADDRCONF(NETDEV_UP): enp3s0: link is not ready
[   29.497382] IPv6: ADDRCONF(NETDEV_UP): wlo1: link is not ready
[   30.983682] r8169 0000:03:00.0 enp3s0: link up
[   30.983701] IPv6: ADDRCONF(NETDEV_CHANGE): enp3s0: link becomes ready

########## wireless info END ############
Last edited by JeremyB on Sun Sep 23, 2018 5:13 pm, edited 1 time in total.
Reason: added code tags

JeremyB
Level 19
Level 19
Posts: 9437
Joined: Fri Feb 21, 2014 8:17 am

Re: Wifi issues with RTL8723BE in linux mint.

Post by JeremyB » Mon Sep 24, 2018 4:41 pm

KlakB wrote:
Sat Sep 22, 2018 7:28 pm
Hi there. Not at all sure if it's appropriate to post here, but I am having a very similar issue with RTL8723BE on this HP Laptop. Network Manager shows the wireless device, but does not find any available networks. Airplane Mode / F12 key disables and enables the device. Tried updating everything, EVERYTHING including kernel, etc. Formatted and reinstalled 18.3 Sylvia. Wanting to try fixes in their proper order this time. Thanks in advance!

http://termbin.com/z9ew

Code: Select all

########## wireless info START ##########

Report from: 22 Sep 2018 16:53 MDT -0600

Booted last: 22 Sep 2018 00:00 MDT -0600

Script from: 10 Jan 2018 20:04 UTC +0000

##### release ###########################

Distributor ID:	LinuxMint
Description:	Linux Mint 18.3 Sylvia
Release:	18.3
Codename:	sylvia

##### kernel ############################

Linux 4.10.0-38-generic #42~16.04.1-Ubuntu SMP Tue Oct 10 16:32:20 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux

Parameters: ro, quiet, splash, vt.handoff=7

##### desktop ###########################

Cinnamon

##### lspci #############################

02:00.0 Network controller [0280]: Realtek Semiconductor Co., Ltd. RTL8723BE PCIe Wireless Network Adapter [10ec:b723]
	DeviceName: SANJI
	Subsystem: Hewlett-Packard Company RTL8723BE PCIe Wireless Network Adapter [103c:804c]

03:00.0 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:80cc]
	Kernel driver in use: r8169

##### lsusb #############################

Bus 002 Device 003: ID 064e:930b Suyin Corp. 
Bus 002 Device 002: ID 0438:7900 Advanced Micro Devices, Inc. 
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 004: ID 0bda:b006 Realtek Semiconductor Corp. 
Bus 001 Device 003: ID 046d:c016 Logitech, Inc. Optical Wheel Mouse
Bus 001 Device 002: ID 0438:7900 Advanced Micro Devices, Inc. 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

##### PCMCIA card info ##################

##### rfkill ############################

0: phy0: Wireless LAN
	Soft blocked: no
	Hard blocked: no
1: hci0: Bluetooth
	Soft blocked: no
	Hard blocked: no

##### lsmod #############################

hp_wmi                 16384  0
sparse_keymap          16384  1 hp_wmi
rtl8723be              90112  0
btcoexist              53248  1 rtl8723be
rtl8723_common         24576  1 rtl8723be
rtl_pci                28672  1 rtl8723be
rtlwifi                73728  2 rtl_pci,rtl8723be
mac80211              782336  3 rtl_pci,rtlwifi,rtl8723be
cfg80211              602112  2 mac80211,rtlwifi
wmi                    16384  1 hp_wmi

##### interfaces ########################

[/etc/network/interfaces]
auto lo
iface lo inet loopback

##### ifconfig ##########################

enp3s0    Link encap:Ethernet  HWaddr <MAC 'enp3s0' [IF1]>  
          inet addr:192.168.1.11  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::61a5:6407:d20b:4d4f/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:65931 errors:0 dropped:0 overruns:0 frame:0
          TX packets:18146 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:27257076 (27.2 MB)  TX bytes:1863440 (1.8 MB)

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:1430 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1430 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:150751 (150.7 KB)  TX bytes:150751 (150.7 KB)

wlo1      Link encap:Ethernet  HWaddr <MAC 'wlo1' [IF2]>  
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

##### iwconfig ##########################

lo        no wireless extensions.

enp3s0    no wireless extensions.

wlo1      IEEE 802.11  ESSID:off/any  
          Mode:Managed  Access Point: Not-Associated   Tx-Power=20 dBm   
          Retry short limit:7   RTS thr=2347 B   Fragment thr:off
          Power Management:off
          

##### route #############################

Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
0.0.0.0         192.168.1.1     0.0.0.0         UG    100    0        0 enp3s0
169.254.0.0     0.0.0.0         255.255.0.0     U     1000   0        0 enp3s0
192.168.1.0     0.0.0.0         255.255.255.0   U     100    0        0 enp3s0

##### resolv.conf #######################

nameserver 127.0.1.1

##### network managers ##################

Installed:

	NetworkManager

Running:

root       896     1  0 00:24 ?        00:00:05 /usr/sbin/NetworkManager --no-daemon

##### NetworkManager info ###############

GENERAL.DEVICE:                         enp3s0
GENERAL.TYPE:                           ethernet
GENERAL.NM-TYPE:                        NMDeviceEthernet
GENERAL.VENDOR:                         Realtek Semiconductor Co., Ltd.
GENERAL.PRODUCT:                        RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller
GENERAL.DRIVER:                         r8169
GENERAL.DRIVER-VERSION:                 2.3LK-NAPI
GENERAL.FIRMWARE-VERSION:               
GENERAL.HWADDR:                         <MAC 'enp3s0' [IF1]>
GENERAL.MTU:                            1500
GENERAL.STATE:                          100 (connected)
GENERAL.REASON:                         0 (No reason given)
GENERAL.UDI:                            /sys/devices/pci0000:00/0000:00:02.5/0000:03:00.0/net/enp3s0
GENERAL.IP-IFACE:                       enp3s0
GENERAL.IS-SOFTWARE:                    no
GENERAL.NM-MANAGED:                     yes
GENERAL.AUTOCONNECT:                    yes
GENERAL.FIRMWARE-MISSING:               no
GENERAL.NM-PLUGIN-MISSING:              no
GENERAL.PHYS-PORT-ID:                   --
GENERAL.CONNECTION:                     Wired connection 1
GENERAL.CON-UUID:                       d114d361-3b63-3fde-995b-971103e44b94
GENERAL.CON-PATH:                       /org/freedesktop/NetworkManager/ActiveConnection/0
GENERAL.METERED:                        no (guessed)
CAPABILITIES.CARRIER-DETECT:            yes
CAPABILITIES.SPEED:                     100 Mb/s
CAPABILITIES.IS-SOFTWARE:               no
WIRED-PROPERTIES.CARRIER:               on
CONNECTIONS.AVAILABLE-CONNECTION-PATHS: /org/freedesktop/NetworkManager/Settings/{0}
CONNECTIONS.AVAILABLE-CONNECTIONS[1]:   d114d361-3b63-3fde-995b-971103e44b94 | Wired connection 1
IP4.ADDRESS[1]:                         192.168.1.11/24
IP4.GATEWAY:                            192.168.1.1
IP4.ROUTE[1]:                           dst = 169.254.0.0/16, nh = 0.0.0.0, mt = 1000
IP4.DNS[1]:                             24.116.0.53
IP4.DNS[2]:                             24.116.2.50
DHCP4.OPTION[1]:                        requested_subnet_mask = 1
DHCP4.OPTION[2]:                        requested_rfc3442_classless_static_routes = 1
DHCP4.OPTION[3]:                        subnet_mask = 255.255.255.0
DHCP4.OPTION[4]:                        domain_name_servers = 24.116.0.53 24.116.2.50
DHCP4.OPTION[5]:                        ip_address = 192.168.1.11
DHCP4.OPTION[6]:                        requested_static_routes = 1
DHCP4.OPTION[7]:                        dhcp_server_identifier = 192.168.1.1
DHCP4.OPTION[8]:                        default_ip_ttl = 64
DHCP4.OPTION[9]:                        requested_time_offset = 1
DHCP4.OPTION[10]:                       time_offset = 0
DHCP4.OPTION[11]:                       broadcast_address = 192.168.1.255
DHCP4.OPTION[12]:                       requested_interface_mtu = 1
DHCP4.OPTION[13]:                       requested_domain_name_servers = 1
DHCP4.OPTION[14]:                       dhcp_rebinding_time = 3150
DHCP4.OPTION[15]:                       dhcp_message_type = 5
DHCP4.OPTION[16]:                       requested_broadcast_address = 1
DHCP4.OPTION[17]:                       routers = 192.168.1.1
DHCP4.OPTION[18]:                       dhcp_renewal_time = 1800
DHCP4.OPTION[19]:                       requested_domain_name = 1
DHCP4.OPTION[20]:                       requested_routers = 1
DHCP4.OPTION[21]:                       expiry = 1537659404
DHCP4.OPTION[22]:                       requested_wpad = 1
DHCP4.OPTION[23]:                       requested_netbios_scope = 1
DHCP4.OPTION[24]:                       requested_ms_classless_static_routes = 1
DHCP4.OPTION[25]:                       requested_netbios_name_servers = 1
DHCP4.OPTION[26]:                       network_number = 192.168.1.0
DHCP4.OPTION[27]:                       requested_domain_search = 1
DHCP4.OPTION[28]:                       requested_ntp_servers = 1
DHCP4.OPTION[29]:                       next_server = 192.168.1.1
DHCP4.OPTION[30]:                       requested_host_name = 1
DHCP4.OPTION[31]:                       dhcp_lease_time = 3600
IP6.ADDRESS[1]:                         fe80::61a5:6407:d20b:4d4f/64
IP6.GATEWAY:                            

GENERAL.DEVICE:                         wlo1
GENERAL.TYPE:                           wifi
GENERAL.NM-TYPE:                        NMDeviceWifi
GENERAL.VENDOR:                         Realtek Semiconductor Co., Ltd.
GENERAL.PRODUCT:                        RTL8723BE PCIe Wireless Network Adapter
GENERAL.DRIVER:                         rtl8723be
GENERAL.DRIVER-VERSION:                 4.10.0-38-generic
GENERAL.FIRMWARE-VERSION:               N/A
GENERAL.HWADDR:                         <MAC 'wlo1' [IF2]>
GENERAL.MTU:                            0
GENERAL.STATE:                          30 (disconnected)
GENERAL.REASON:                         42 (The supplicant is now available)
GENERAL.UDI:                            /sys/devices/pci0000:00/0000:00:02.4/0000:02:00.0/net/wlo1
GENERAL.IP-IFACE:                       
GENERAL.IS-SOFTWARE:                    no
GENERAL.NM-MANAGED:                     yes
GENERAL.AUTOCONNECT:                    yes
GENERAL.FIRMWARE-MISSING:               no
GENERAL.NM-PLUGIN-MISSING:              no
GENERAL.PHYS-PORT-ID:                   --
GENERAL.CONNECTION:                     --
GENERAL.CON-UUID:                       --
GENERAL.CON-PATH:                       --
GENERAL.METERED:                        unknown
CAPABILITIES.CARRIER-DETECT:            no
CAPABILITIES.SPEED:                     unknown
CAPABILITIES.IS-SOFTWARE:               no
WIFI-PROPERTIES.WEP:                    yes
WIFI-PROPERTIES.WPA:                    yes
WIFI-PROPERTIES.WPA2:                   yes
WIFI-PROPERTIES.TKIP:                   yes
WIFI-PROPERTIES.CCMP:                   yes
WIFI-PROPERTIES.AP:                     yes
WIFI-PROPERTIES.ADHOC:                  yes
WIFI-PROPERTIES.2GHZ:                   yes
WIFI-PROPERTIES.5GHZ:                   no
CONNECTIONS.AVAILABLE-CONNECTION-PATHS: 

SSID  BSSID  MODE  CHAN  FREQ  RATE  SIGNAL  BARS  SECURITY  ACTIVE  * 

##### NetworkManager.state ##############

[main]
NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true

##### NetworkManager.conf ###############

[main]
plugins=ifupdown,keyfile,ofono
dns=dnsmasq

[ifupdown]
managed=false

##### NetworkManager profiles ###########

##### Netplan config ####################

##### iw reg get ########################

Region: America/Boise (based on set time zone)

country 00: DFS-UNSET
	(2402 - 2472 @ 40), (N/A, 20), (N/A)
	(2457 - 2482 @ 20), (N/A, 20), (N/A), NO-IR
	(2474 - 2494 @ 20), (N/A, 20), (N/A), NO-OFDM, NO-IR
	(5170 - 5250 @ 80), (N/A, 20), (N/A), NO-IR
	(5250 - 5330 @ 80), (N/A, 20), (0 ms), DFS, NO-IR
	(5490 - 5730 @ 160), (N/A, 20), (0 ms), DFS, NO-IR
	(5735 - 5835 @ 80), (N/A, 20), (N/A), NO-IR
	(57240 - 63720 @ 2160), (N/A, 0), (N/A)

##### iwlist channels ###################

lo        no frequency information.

enp3s0    no frequency information.

wlo1      13 channels in total; available frequencies :
          Channel 01 : 2.412 GHz
          Channel 02 : 2.417 GHz
          Channel 03 : 2.422 GHz
          Channel 04 : 2.427 GHz
          Channel 05 : 2.432 GHz
          Channel 06 : 2.437 GHz
          Channel 07 : 2.442 GHz
          Channel 08 : 2.447 GHz
          Channel 09 : 2.452 GHz
          Channel 10 : 2.457 GHz
          Channel 11 : 2.462 GHz
          Channel 12 : 2.467 GHz
          Channel 13 : 2.472 GHz

##### iwlist scan #######################

lo        Interface doesn't support scanning.

enp3s0    Interface doesn't support scanning.

wlo1      No scan results

##### module infos ######################

[rtl8723be]
filename:       /lib/modules/4.10.0-38-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	<wlanfae@realtek.com>
author:         PageHe	<page_he@realsil.com.cn>
srcversion:     8A4042E8F447BFEE8F45BA5
depends:        rtlwifi,rtl8723-common,rtl_pci,btcoexist,mac80211
intree:         Y
vermagic:       4.10.0-38-generic SMP mod_unload 
parm:           swenc:Set to 1 for software crypto (default 0)
 (bool)
parm:           ips:Set to 0 to not use link power save (default 1)
 (bool)
parm:           swlps:Set to 1 to use SW control power save (default 0)
 (bool)
parm:           fwlps:Set to 1 to use FW control power save (default 1)
 (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)

[rtl8723_common]
filename:       /lib/modules/4.10.0-38-generic/kernel/drivers/net/wireless/realtek/rtlwifi/rtl8723com/rtl8723-common.ko
description:    Realtek RTL8723AE/RTL8723BE 802.11n PCI wireless common routines
license:        GPL
author:         Larry Finger	<Larry.Finger@lwfinger.net>
author:         Realtek WlanFAE	<wlanfae@realtek.com>
srcversion:     B06F4AE01E9561133D82E7E
depends:        
intree:         Y
vermagic:       4.10.0-38-generic SMP mod_unload 

[rtl_pci]
filename:       /lib/modules/4.10.0-38-generic/kernel/drivers/net/wireless/realtek/rtlwifi/rtl_pci.ko
description:    PCI basic driver for rtlwifi
license:        GPL
author:         Larry Finger	<Larry.FInger@lwfinger.net>
author:         Realtek WlanFAE	<wlanfae@realtek.com>
author:         lizhaoming	<chaoming_li@realsil.com.cn>
srcversion:     B93F82B28F7945C22514E4D
depends:        mac80211,rtlwifi
intree:         Y
vermagic:       4.10.0-38-generic SMP mod_unload 

[rtlwifi]
filename:       /lib/modules/4.10.0-38-generic/kernel/drivers/net/wireless/realtek/rtlwifi/rtlwifi.ko
description:    Realtek 802.11n PCI wireless core
license:        GPL
author:         Larry Finger	<Larry.FInger@lwfinger.net>
author:         Realtek WlanFAE	<wlanfae@realtek.com>
author:         lizhaoming	<chaoming_li@realsil.com.cn>
srcversion:     884DE3F31278351A45DA409
depends:        mac80211,cfg80211
intree:         Y
vermagic:       4.10.0-38-generic SMP mod_unload 

[mac80211]
filename:       /lib/modules/4.10.0-38-generic/kernel/net/mac80211/mac80211.ko
license:        GPL
description:    IEEE 802.11 subsystem
srcversion:     309C9ACED540FCAA1DE7422
depends:        cfg80211
intree:         Y
vermagic:       4.10.0-38-generic SMP mod_unload 
parm:           minstrel_vht_only:Use only VHT rates when VHT is supported by sta. (bool)
parm:           max_nullfunc_tries:Maximum nullfunc tx tries before disconnecting (reason 4). (int)
parm:           max_probe_tries:Maximum probe tries before disconnecting (reason 4). (int)
parm:           beacon_loss_count:Number of beacon intervals before we decide beacon was lost. (int)
parm:           probe_wait_ms:Maximum time(ms) to wait for probe response before disconnecting (reason 4). (int)
parm:           ieee80211_default_rc_algo:Default rate control algorithm for mac80211 to use (charp)

[cfg80211]
filename:       /lib/modules/4.10.0-38-generic/kernel/net/wireless/cfg80211.ko
description:    wireless configuration support
license:        GPL
author:         Johannes Berg
srcversion:     D77C8F93375950F3BA95B16
depends:        
intree:         Y
vermagic:       4.10.0-38-generic SMP mod_unload 
parm:           bss_entries_limit:limit to number of scan BSS entries (per wiphy, default 1000) (int)
parm:           ieee80211_regdom:IEEE 802.11 regulatory domain code (charp)
parm:           cfg80211_disable_40mhz_24ghz:Disable 40MHz support in the 2.4GHz band (bool)

##### module parameters #################

[rtl8723be]
ant_sel: 0
debug: 0
disable_watchdog: N
fwlps: Y
ips: Y
msi: N
swenc: N
swlps: N

[mac80211]
beacon_loss_count: 7
ieee80211_default_rc_algo: minstrel_ht
max_nullfunc_tries: 2
max_probe_tries: 5
minstrel_vht_only: Y
probe_wait_ms: 500

[cfg80211]
bss_entries_limit: 1000
cfg80211_disable_40mhz_24ghz: N
ieee80211_regdom: 00

##### /etc/modules ######################

##### modprobe options ##################

[/etc/modprobe.d/blacklist-ath_pci.conf]
blacklist ath_pci

[/etc/modprobe.d/blacklist.conf]
blacklist evbug
blacklist usbmouse
blacklist usbkbd
blacklist eepro100
blacklist de4x5
blacklist eth1394
blacklist snd_intel8x0m
blacklist snd_aw2
blacklist i2c_i801
blacklist prism54
blacklist bcm43xx
blacklist garmin_gps
blacklist asus_acpi
blacklist snd_pcsp
blacklist pcspkr
blacklist amd76x_edac

[/etc/modprobe.d/blacklist-rare-network.conf]
alias net-pf-3 off
alias net-pf-6 off
alias net-pf-9 off
alias net-pf-11 off
alias net-pf-12 off
alias net-pf-19 off
alias net-pf-21 off
alias net-pf-36 off

[/etc/modprobe.d/iwlwifi.conf]
remove iwlwifi \
(/sbin/lsmod | grep -o -e ^iwlmvm -e ^iwldvm -e ^iwlwifi | xargs /sbin/rmmod) \
&& /sbin/modprobe -r mac80211

[/etc/modprobe.d/mlx4.conf]
softdep mlx4_core post: mlx4_en

##### rc.local ##########################

exit 0

##### pm-utils ##########################

##### udev rules ########################

##### dmesg #############################

[   19.920913] ieee80211 phy0: Selected rate control algorithm 'rtl_rc'
[   19.921619] rtlwifi: rtlwifi: wireless switch is on
[   20.303002] rtl8723be 0000:02:00.0 wlo1: renamed from wlan0
[   20.323531] Bluetooth: hci0: rtl: examining hci_ver=06 hci_rev=000b lmp_ver=06 lmp_subver=8723
[   20.323535] Bluetooth: hci0: rtl: loading rtl_bt/rtl8723b_config.bin
[   20.356951] bluetooth hci0: Direct firmware load for rtl_bt/rtl8723b_config.bin failed with error -2
[   20.356960] Bluetooth: hci0: Failed to load rtl_bt/rtl8723b_config.bin
[   20.356966] Bluetooth: hci0: rtl: loading rtl_bt/rtl8723b_fw.bin
[   28.384141] IPv6: ADDRCONF(NETDEV_UP): wlo1: link is not ready (repeated 2 times)
[   28.958687] IPv6: ADDRCONF(NETDEV_UP): enp3s0: link is not ready
[   29.262316] r8169 0000:03:00.0 enp3s0: link down (repeated 2 times)
[   29.262454] IPv6: ADDRCONF(NETDEV_UP): enp3s0: link is not ready
[   29.497382] IPv6: ADDRCONF(NETDEV_UP): wlo1: link is not ready
[   30.983682] r8169 0000:03:00.0 enp3s0: link up
[   30.983701] IPv6: ADDRCONF(NETDEV_CHANGE): enp3s0: link becomes ready

########## wireless info END ############
Just do

Code: Select all

echo "options rtl8723be ant_sel=2" | sudo tee /etc/modprobe.d/rtl8723be.conf
Then reboot

KlakB
Level 1
Level 1
Posts: 2
Joined: Sat Sep 22, 2018 6:41 pm

Re: Wifi issues with RTL8723BE in linux mint.

Post by KlakB » Mon Sep 24, 2018 9:43 pm

WOW! COOL! Ant 2 didn't work, so I tried it with ant 1, and BOOM! Thank you Linux Guru / Genius JeremyB!

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