WiFi keeps dropping – please help

[Member discipulus]

relevant part of inxi -F :

Device-2: Intel Dual Band Wireless-AC 3168NGW [Stone Peak] driver: iwlwifi
IF: wlan0 state: up mac: 42:9c:d6:c7:5a:4f

iwconfig:

wlan0 IEEE 802.11 ESSID:”Freebox-4B2D7C_EXT”
Mode:Managed Frequency:2.412 GHz Access Point: 8C:3B:AD:2A:93:FE
Bit Rate=65 Mb/s Tx-Power=22 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=45/70 Signal level=-65 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:4 Missed beacon:0

Tried both connman and ceni and both seem to lose the connection in a way that I’ve not experienced before on other OSes. Not saying it ISN’T my connection for 100% but I’d be surprised if it suddenly changed and became this unstable.

hwinfo –wlan

10: PCI 300.0: 0282 WLAN controller
[Created at pci.386]
Unique ID: y9sn.Sygf2rrlQCD
Parent ID: HnsE.gGxyAxJBuk6
SysFS ID: /devices/pci0000:00/0000:00:1c.5/0000:03:00.0
SysFS BusID: 0000:03:00.0
Hardware Class: network
Device Name: “WLAN”
Model: “Intel Dual Band Wireless-AC 3168NGW [Stone Peak]”
Vendor: pci 0x8086 “Intel Corporation”
Device: pci 0x24fb “Dual Band Wireless-AC 3168NGW [Stone Peak]”
SubVendor: pci 0x8086 “Intel Corporation”
SubDevice: pci 0x2110
Revision: 0x10
Driver: “iwlwifi”
Driver Modules: “iwlwifi”
Device File: wlan0
Features: WLAN
Memory Range: 0xa4000000-0xa4001fff (rw,non-prefetchable)
IRQ: 130 (no events)
HW Address: 42:9c:d6:c7:5a:4f
Permanent HW Address: e4:42:a6:f3:ad:1d
Link detected: yes
WLAN channels: 1 2 3 4 5 6 7 8 9 10 11 12 13 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128 132 136 140
WLAN frequencies: 2.412 2.417 2.422 2.427 2.432 2.437 2.442 2.447 2.452 2.457 2.462 2.467 2.472 5.18 5.2 5.22 5.24 5.26 5.28 5.3 5.32 5.5 5.52 5.54 5.56 5.58 5.6 5.62 5.64 5.66 5.68 5.7
WLAN encryption modes: WEP40 WEP104 TKIP CCMP
WLAN authentication modes: open sharedkey wpa-psk wpa-eap
Module Alias: “pci:v00008086d000024FBsv00008086sd00002110bc02sc80i00”
Driver Info #0:
Driver Status: iwlwifi is active
Driver Activation Cmd: “modprobe iwlwifi”
Driver Info #1:
Driver Status: wl is active
Driver Activation Cmd: “modprobe wl”
Config Status: cfg=new, avail=yes, need=no, active=unknown
Attached to: #16 (PCI bridge)

• This topic was modified 1 year, 10 months ago by discipulus.

[Member Xecure]

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I had just finished writing a very long post explaining how to configure connman or in its defect network manager, when I went and searched for information on your specific device [8086:2110].

It seems that there are sometimes issues with disconnecting (see linuxmint forum).

Support may have improved on newer kernels, but maybe some other solution works.

In the future, with wifi issues it is better to post
inxi -Nxxx
as it gives the device ID easily (which then helps search for issues in https://linux-hardware.org/?id=pci:8086-24fb-8086-2110

If the linux mint post doesn’t help, you can force rconnect after errors in cmst connman interface, to get your connection back as soon as possible (Details > your WAP > autoconnect, and in “Preferences” tab, enable Retry failed connection).

antiX Live system enthusiast.
General Live Boot Parameters for antiX.

[Member discipulus]

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I followed the instructions on the Mint forum, installing the firmware for the wifi card. But now upon login, I get

“Unable to create an interface to connman on the system bus. CMST will not be able to communicate with connman”

and I have no connection until I manually run Ceni.

Should I just remove the connman package since I’m using Ceni anyway?

Thanks

• This reply was modified 1 year, 10 months ago by discipulus.

[Member Xecure]

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discipulus wrote:

Should I just remove the connman package since I’m using Ceni anyway?

Yes, do so.
You could also try your luck with network manager if you also prefer an easier way to switch WAPs or for sharing your network or any other things that cannot be done with ceni.

antiX Live system enthusiast.
General Live Boot Parameters for antiX.

[Member discipulus]

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No problems since deletion of Connman. Initially I couldn’t load pages, until I figured out that deletion of Connman had emptied resolv.conf but I repopulated that with OpenDNS nameserver addresses and Bob’s your father’s brother. 🙂

[Member discipulus]

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Since first restart after deleting Connman, there is no wifi until I re-run the Ceni config subroutine
Please tell me how I can get the system to activate wlan0 and connect to my previously chosen network, automatically
Most things about antiX are very nice but this is a bit of a mess, tbh

[Moderator christophe]

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hello, discipulus.

See if this is the issue – I ran into this some time ago with ceni:

If “allow hot-plug” (removable devices)” is checked, I had to re-run ceni each reboot.
So now I set it to “auto (built-in devices)” – whether it’s a removable usb dongle or internal, built-in.
Now, set up as “auto” – it reconnects at each reboot automatically.

• This reply was modified 1 year, 10 months ago by christophe. Reason: added image

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[Member discipulus]

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Thank you Christophe, I will see if that works 🙂

[Member Xecure]

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If after setting to auto the system takes too long to boot, change /etc/network/interfaces wlan0 option from auto to manual and add to /etc/rc.local
ifup wlan0
before exit.
This will start the wlan0 interface a few seconds after boot.

antiX Live system enthusiast.
General Live Boot Parameters for antiX.

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