Wifi disconnection issiue with lenovo g50-70 with Rebecca

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muralisen

Wifi disconnection issiue with lenovo g50-70 with Rebecca

Post by muralisen »

Hi All,

I have a lenovo G50-70 laptop and in that i have installed linux mint 17.1 (rebecca). My wifi is getting disconnected often, I couldnt get
any proper solution.

I have observer a few points
* I have set the regulatory domain to IN, but when it boots it is taking only MX
* When i try to restart the wireless via Network settings (right hand side applet) its not happening. (pls suggest whether i have to do anything with wpa_supplicant)
* At the time of wireless disconnection, wifi is not soft or hard blocked

Really appreciate any suggestion

FYI-

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$ cat /etc/linuxmint/info 
RELEASE=17.1
CODENAME=rebecca
EDITION="Cinnamon 64-bit"
DESCRIPTION="Linux Mint 17.1 Rebecca"
DESKTOP=Gnome
TOOLKIT=GTK
NEW_FEATURES_URL=http://www.linuxmint.com/rel_rebecca_cinnamon_whatsnew.php
RELEASE_NOTES_URL=http://www.linuxmint.com/rel_rebecca_cinnamon.php
USER_GUIDE_URL=help:linuxmint
GRUB_TITLE=Linux Mint 17.1 Cinnamon 64-bit

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$ lspci

00:00.0 Host bridge: Intel Corporation Haswell-ULT DRAM Controller (rev 0b)
00:02.0 VGA compatible controller: Intel Corporation Haswell-ULT Integrated Graphics Controller (rev 0b)
00:03.0 Audio device: Intel Corporation Haswell-ULT HD Audio Controller (rev 0b)
00:14.0 USB controller: Intel Corporation Lynx Point-LP USB xHCI HC (rev 04)
00:16.0 Communication controller: Intel Corporation Lynx Point-LP HECI #0 (rev 04)
00:1b.0 Audio device: Intel Corporation Lynx Point-LP HD Audio Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation Lynx Point-LP PCI Express Root Port 3 (rev e4)
00:1c.3 PCI bridge: Intel Corporation Lynx Point-LP PCI Express Root Port 4 (rev e4)
00:1d.0 USB controller: Intel Corporation Lynx Point-LP USB EHCI #1 (rev 04)
00:1f.0 ISA bridge: Intel Corporation Lynx Point-LP LPC Controller (rev 04)
00:1f.2 SATA controller: Intel Corporation Lynx Point-LP SATA Controller 1 [AHCI mode] (rev 04)
00:1f.3 SMBus: Intel Corporation Lynx Point-LP SMBus Controller (rev 04)
01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 10)
02:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8723BE PCIe Wireless Network Adapter

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$ lsmod | grep wifi
rtlwifi                63475  2 rtl_pci,rtl8723be
mac80211              630653  3 rtl_pci,rtlwifi,rtl8723be
cfg80211              484040  2 mac80211,rtlwifi

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$ tail -30 /var/log/syslog  --- wireless disconnected by 22:40

28 22:12:59 muralisenthil wpa_supplicant[1350]: nl80211: send_and_recv->nl_recvmsgs failed: -33
Jul 28 22:14:05 muralisenthil kernel: [  299.574118] mce: [Hardware Error]: Machine check events logged
Jul 28 22:14:28 muralisenthil wpa_supplicant[1350]: wlan0: CTRL-EVENT-SCAN-STARTED 
Jul 28 22:17:01 muralisenthil CRON[2715]: (root) CMD (   cd / && run-parts --report /etc/cron.hourly)
Jul 28 22:20:39 muralisenthil wpa_supplicant[1350]: message repeated 5 times: [ wlan0: CTRL-EVENT-SCAN-STARTED ]
Jul 28 22:20:42 muralisenthil wpa_supplicant[1350]: nl80211: send_and_recv->nl_recvmsgs failed: -33
Jul 28 22:22:39 muralisenthil wpa_supplicant[1350]: wlan0: CTRL-EVENT-SCAN-STARTED 
Jul 28 22:23:47 muralisenthil cinnamon-screensaver-dialog: pam_ecryptfs: seteuid error
Jul 28 22:28:39 muralisenthil wpa_supplicant[1350]: message repeated 4 times: [ wlan0: CTRL-EVENT-SCAN-STARTED ]
Jul 28 22:28:42 muralisenthil wpa_supplicant[1350]: nl80211: send_and_recv->nl_recvmsgs failed: -33
Jul 28 22:29:28 muralisenthil wpa_supplicant[1350]: wlan0: CTRL-EVENT-SCAN-STARTED 
Jul 28 22:34:39 muralisenthil wpa_supplicant[1350]: message repeated 4 times: [ wlan0: CTRL-EVENT-SCAN-STARTED ]
Jul 28 22:34:42 muralisenthil wpa_supplicant[1350]: nl80211: send_and_recv->nl_recvmsgs failed: -33
Jul 28 22:36:39 muralisenthil wpa_supplicant[1350]: wlan0: CTRL-EVENT-SCAN-STARTED 
Jul 28 22:36:42 muralisenthil wpa_supplicant[1350]: nl80211: send_and_recv->nl_recvmsgs failed: -33
Jul 28 22:38:39 muralisenthil wpa_supplicant[1350]: wlan0: CTRL-EVENT-SCAN-STARTED 
Jul 28 22:40:39 muralisenthil wpa_supplicant[1350]: message repeated 2 times: [ wlan0: CTRL-EVENT-SCAN-STARTED ]
Jul 28 22:40:42 muralisenthil wpa_supplicant[1350]: nl80211: send_and_recv->nl_recvmsgs failed: -33
Jul 28 22:42:48 muralisenthil wpa_supplicant[1350]: wlan0: CTRL-EVENT-SCAN-STARTED

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$ dmesg
   13.534625] usbcore: registered new interface driver rts5139
[   13.534663] scsi 4:0:0:0: Direct-Access     Generic- xD/SD/M.S.       1.00 PQ: 0 ANSI: 0 CCS
[   13.535369] sd 4:0:0:0: Attached scsi generic sg2 type 0
[   13.613086] sd 4:0:0:0: [sdb] Attached SCSI removable disk
[   13.636470] cfg80211: World regulatory domain updated:
[   13.636474] cfg80211:   (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
[   13.636476] cfg80211:   (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[   13.636477] cfg80211:   (2457000 KHz - 2482000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[   13.636479] cfg80211:   (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)
[   13.636480] cfg80211:   (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[   13.636481] cfg80211:   (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[   13.636492] cfg80211: Calling CRDA for country: IN
[   13.638887] cfg80211: Regulatory domain changed to country: IN
[   13.638891] cfg80211:   (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
[   13.638893] cfg80211:   (2402000 KHz - 2482000 KHz @ 40000 KHz), (N/A, 2000 mBm)
[   13.638894] cfg80211:   (5170000 KHz - 5250000 KHz @ 40000 KHz), (N/A, 2000 mBm)
[   13.638895] cfg80211:   (5250000 KHz - 5330000 KHz @ 40000 KHz), (N/A, 2000 mBm)
[   13.638896] cfg80211:   (5735000 KHz - 5835000 KHz @ 40000 KHz), (N/A, 2000 mBm)
[   14.074435] EXT4-fs (sda6): mounted filesystem with ordered data mode. Opts: (null)
[   15.917575] init: failsafe main process (755) killed by TERM signal
[   16.471966] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[   16.471971] Bluetooth: BNEP filters: protocol multicast
[   16.471981] Bluetooth: BNEP socket layer initialized
[   16.473420] Bluetooth: RFCOMM TTY layer initialized
[   16.473433] Bluetooth: RFCOMM socket layer initialized
[   16.473439] Bluetooth: RFCOMM ver 1.11
[   16.772806] init: cups main process (881) killed by HUP signal
[   16.772816] init: cups main process ended, respawning
[   17.895468] r8169 0000:01:00.0 eth0: link down
[   17.895517] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[   17.895820] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[   17.944843] init: samba-ad-dc main process (986) terminated with status 1
[   18.370518] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[   18.372024] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[   18.918248] init: plymouth-upstart-bridge main process ended, respawning
[   18.925682] init: plymouth-upstart-bridge main process (1483) terminated with status 1
[   18.925693] init: plymouth-upstart-bridge main process ended, respawning
[   19.293713] wlan0: authenticate with 0c:d2:b5:3e:7a:b0
[   19.303828] wlan0: send auth to 0c:d2:b5:3e:7a:b0 (try 1/3)
[   19.306693] wlan0: authenticated
[   19.308921] wlan0: associate with 0c:d2:b5:3e:7a:b0 (try 1/3)
[   19.312711] wlan0: RX AssocResp from 0c:d2:b5:3e:7a:b0 (capab=0x411 status=0 aid=2)
[   19.312831] wlan0: associated
[   19.312838] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[   19.312949] cfg80211: Calling CRDA for country: MX
[   19.315072] cfg80211: Regulatory domain changed to country: MX
[   19.315075] cfg80211:   (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
[   19.315077] cfg80211:   (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2700 mBm)
[   19.315079] cfg80211:   (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 1700 mBm)
[   19.315080] cfg80211:   (5250000 KHz - 5330000 KHz @ 40000 KHz), (300 mBi, 2300 mBm)
[   19.315081] cfg80211:   (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 3000 mBm)
[  299.574118] mce: [Hardware Error]: Machine check events logged

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$ nm-tool

State: connected (global)

- Device: wlan0  [Auto Murali] -------------------------------------------------
  Type:              802.11 WiFi
  Driver:            rtl8723be
  State:             connected
  Default:           yes
  HW Address:        C0:38:96:70:AD:89

  Capabilities:
    Speed:           72 Mb/s

  Wireless Properties
    WEP Encryption:  yes
    WPA Encryption:  yes
    WPA2 Encryption: yes

  Wireless Access Points (* = current AP)
    akolla:          Infra, 00:25:5E:17:89:C0, Freq 2462 MHz, Rate 54 Mb/s, Strength 54 WPA WPA2
    kelappan:        Infra, 00:1B:DA:2A:71:E2, Freq 2437 MHz, Rate 54 Mb/s, Strength 47 WPA
    *Murali:         Infra, 0C:D2:B5:3E:7A:B0, Freq 2462 MHz, Rate 54 Mb/s, Strength 94 WPA

  IPv4 Settings:
    Address:         192.168.1.3
    Prefix:          24 (255.255.255.0)
    Gateway:         192.168.1.1

    DNS:             192.168.1.1


- Device: eth0 -----------------------------------------------------------------
  Type:              Wired
  Driver:            r8169
  State:             unavailable
  Default:           no
  HW Address:        68:F7:28:23:81:7B

  Capabilities:
    Carrier Detect:  yes

  Wired Properties
    Carrier:         off

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$rfkill list all

0: ideapad_wlan: 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
3: ideapad_bluetooth: Bluetooth
	Soft blocked: yes
	Hard blocked: no

Regards,
Murali
Last edited by LockBot on Wed Dec 28, 2022 7:16 am, edited 2 times in total.
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Pjotr
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Re: Wifi disconnection issiue with lenovo g50-70 with Rebecc

Post by Pjotr »

RTL8723BE..... You can probably fix it like this:
https://sites.google.com/site/easylinux ... BE-chipset
(item 3, left column)
Tip: 10 things to do after installing Linux Mint 21.3 Virginia
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kukamuumuka

Re: Wifi disconnection issiue with lenovo g50-70 with Rebecc

Post by kukamuumuka »

One choice is to kill NetworkManager when connection disappears.

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sudo killall NetworkManager
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muralisen

Re: Wifi disconnection issiue with lenovo g50-70 with Rebecc

Post by muralisen »

Pjotr wrote:RTL8723BE..... You can probably fix it like this:
https://sites.google.com/site/easylinux ... BE-chipset
(item 3, left column)

Thanks Pjotr. Your suggestion helped me to put an end to this month long problem
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muralisen

Re: Wifi disconnection issiue with lenovo g50-70 with Rebecc

Post by muralisen »

administrollaattori wrote:One choice is to kill NetworkManager when connection disappears.

Code: Select all

sudo killall NetworkManager
Thanks a lot!!!!! :) :) :)
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muralisen

Re: Wifi disconnection issiue with lenovo g50-70 with Rebecc

Post by muralisen »

Thanks guys for your support. This issue has been solved.
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bbaker6212
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Re: Wifi disconnection issiue with lenovo g50-70 with Rebecc

Post by bbaker6212 »

How was it resolved? I have same problem with my G50-45 Lenovo notebook.
Linux Mint XFCE 21.1 , Windows 11, Pop!_OS 22.04 Acer Aspire 5 A515-57 (linux-probe), Core i5-1235U, 16GB RAM
Lenovo Ideapad 330S-15IKB (linux-probe), Core i5-8250U, 20GB RAM
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VarSwrd

Re: Wifi disconnection issiue with lenovo g50-70 with Rebecc

Post by VarSwrd »

I ran lsusb and got two different RealTek devices and a bunch of other stuff. How do I copy & paste what the terminal put out onto the forums? It's very long.
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VarSwrd

Re: Wifi disconnection issiue with lenovo g50-70 with Rebecc

Post by VarSwrd »

Bump. This is what I get.

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Bus 002 Device 004: ID 0bda:b728 Realtek Semiconductor Corp. 
Bus 002 Device 003: ID 5986:014f Acer, Inc 
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 003: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
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
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Pjotr
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Re: Wifi disconnection issiue with lenovo g50-70 with Rebecc

Post by Pjotr »

Please don't hijack someone else's thread, but start a topic of your own.... Otherwise it becomes very confusing. :)
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