Wi-fi disconnects, instability in Mint 18 Cinnamon

[rovingsign]

Hi gang - trying to get an old AMD Phenom box up and running.

This will be a ASUS M3A78, Phenom 8450, Sabrent PCI-G802 Wi-fi card

Post install, as soon as I attempted to Authenticate for the first software update - it disconnected.

Even when I could connect and get a web page - it seemed slow - any logging in to anything seemed to cause disconnect.

And in general it just wouldn't connect - or the connection would disappear.

I read about the possibility of it being related to power saving settings - and those are toggled on.

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eugene@eugene-System-Product-Name ~ $ iwconfig

enp2s0    no wireless extensions.

lo        no wireless extensions.

wlp3s6    IEEE 802.11bg  ESSID:"RovingSign"  
          Mode:Managed  Frequency:2.437 GHz  Access Point: 48:F8:B3:BF:C1:E6   
          Bit Rate=11 Mb/s   Tx-Power=20 dBm   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Power Management:on
          Link Quality=70/70  Signal level=-38 dBm  
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:1080  Invalid misc:49381   Missed beacon:0

Also ran this command - which seems to be part of the usual troublshooting process.

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eugene@eugene-System-Product-Name ~ $ inxi -Fxz

System:    Host: eugene-System-Product-Name Kernel: 4.4.0-53-generic x86_64 (64 bit gcc: 5.4.0)
           Desktop: Cinnamon 3.2.6 (Gtk 3.18.9-1ubuntu3.1) Distro: Linux Mint 18.1 Serena
Machine:   Mobo: ASUSTeK model: M3A78 v: Rev X.0x Bios: American Megatrends v: 0401 date: 07/04/2008
CPU:       Triple core AMD Phenom 8450 -Core (-MCP-) cache: 1536 KB
           flags: (lm nx sse sse2 sse3 sse4a svm) bmips: 12657
           clock speeds: max: 2100 MHz 1: 1050 MHz 2: 1050 MHz 3: 2100 MHz
Graphics:  Card: Advanced Micro Devices [AMD/ATI] Redwood PRO [Radeon HD 5550/5570/5630/6510/6610/7570]
           bus-ID: 01:00.0
           Display Server: X.Org 1.18.4 drivers: ati,radeon (unloaded: fbdev,vesa) Resolution: 1920x1080@60.00hz
           GLX Renderer: Gallium 0.4 on AMD REDWOOD (DRM 2.43.0, LLVM 3.8.0)
           GLX Version: 3.0 Mesa 11.2.0 Direct Rendering: Yes
Audio:     Card-1 Advanced Micro Devices [AMD/ATI] Redwood HDMI Audio [Radeon HD 5000 Series]
           driver: snd_hda_intel bus-ID: 01:00.1
           Card-2 Advanced Micro Devices [AMD/ATI] SBx00 Azalia (Intel HDA) driver: snd_hda_intel bus-ID: 00:14.2
           Sound: Advanced Linux Sound Architecture v: k4.4.0-53-generic
Network:   Card-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
           driver: r8169 v: 2.3LK-NAPI port: e800 bus-ID: 02:00.0
           IF: enp2s0 state: down mac: <filter>
           Card-2: Ralink RT2561/RT61 802.11g PCI driver: rt61pci v: 2.3.0 bus-ID: 03:06.0
           IF: wlp3s6 state: up mac: <filter>
Drives:    HDD Total Size: 74.4GB (12.9% used) ID-1: /dev/sda model: WDC_WD740ADFD size: 74.4GB
Partition: ID-1: / size: 65G used: 5.1G (9%) fs: ext4 dev: /dev/sda1
           ID-2: swap-1 size: 4.29GB used: 0.00GB (0%) fs: swap dev: /dev/sda5
RAID:      No RAID devices: /proc/mdstat, md_mod kernel module present
Sensors:   System Temperatures: cpu: 44.0C mobo: 37.0C gpu: 48.0
           Fan Speeds (in rpm): cpu: 2616 psu: 0 sys-1: 0
Info:      Processes: 185 Uptime: 7:13 Memory: 1025.7/3951.5MB Init: systemd runlevel: 5 Gcc sys: 5.4.0
           Client: Shell (bash 4.3.461) inxi: 2.2.35

Thanks!

[michael louwe]

@ rovingsign

Please refer to the fix at this link ....... viewtopic.php?t=226214

[JeremyB]

There is an easier way to disable wifi power management

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sudo sed -i 's/wifi.powersave = 3/wifi.powersave = 2/' /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf

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systemctl restart network-manager.service

[rovingsign]

There is an easier way to disable wifi power management

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sudo sed -i 's/wifi.powersave = 3/wifi.powersave = 2/' /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf

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systemctl restart network-manager.service

Thank you JeremyB - that seems to have done it.

I was able to download and install the first set of system updates with no problems.

And thus far it has been stable - and quite a bit faster for sure.

Let's see if the setting survives a restart.