:: [DNG] Wifi dropping ramdomly
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Autor: Jim Murphy
Fecha:  
A: dng
Asunto: [DNG] Wifi dropping ramdomly
Hi,

My wifi connection drops randomly. It can sometimes run for days.
Other times it may drop within hours of a reboot. There seems to be
no pattern to when. Initially rebooting seemed to be the only way to
get the network back. Under xfce4 disabling the wifi and/or network,
then re-enabling them had no effect. After many google searches
I finally found at:

https://askubuntu.com/questions/26054/how-to-restart-wifi-interface-without-rebooting-it-drops-connection

I now have the alias(zsh):

alias reload_network_module='sudo modprobe -r iwldvm && sudo modprobe
iwldvm'

to re-enable the wifi. So far this has restored the network connection
without having to reboot. Strange as it may seem, the wifi connection
has stopped dropping as frequently since reloading the iwldvm module
this way.?? FWIW

/etc/os-release:
PRETTY_NAME="Devuan GNU/Linux 4 (chimaera)"
NAME="Devuan GNU/Linux"
VERSION_ID="4"
VERSION="4 (chimaera)"
VERSION_CODENAME="chimaera"
ID=devuan
ID_LIKE=debian
HOME_URL="https://www.devuan.org/"
SUPPORT_URL="https://devuan.org/os/community"
BUG_REPORT_URL="https://bugs.devuan.org/"

/etc/debian_version:
11.1

Computer: ThinkPad X230

*-pci:1
     description: PCI bridge
     product: 7 Series/C210 Series Chipset Family PCI Express Root Port 2
     vendor: Intel Corporation
     physical id: 1c.1
     bus info: pci@0000:00:1c.1
     version: c4
     width: 32 bits
     clock: 33MHz
     capabilities: pci normal_decode bus_master cap_list
     configuration: driver=pcieport
     resources: irq:17 memory:f1c00000-f1cfffff
   *-network
        description: Wireless interface
        product: Centrino Advanced-N 6205 [Taylor Peak]
        vendor: Intel Corporation
        physical id: 0
        bus info: pci@0000:03:00.0
        logical name: wlan0
        version: 34
        serial:  "redacted"
        width: 64 bits
        clock: 33MHz
        capabilities: bus_master cap_list ethernet physical wireless
        configuration: broadcast=yes driver=iwlwifi
driverversion=5.10.0-10-amd64 firmware=18.168.6.1 6000g2a-6.ucode
ip=192.168.0.102 latency=0 link=yes multicast=yes wireless=IEEE 802.11
        resources: irq:29 memory:f1c00000-f1c01fff


% ls /lib/modules/**/iwldvm.ko
/lib/modules/5.10.0-10-amd64/kernel/drivers/net/wireless/intel/iwlwifi/dvm/iwldvm.ko
/lib/modules/5.10.0-9-amd64/kernel/drivers/net/wireless/intel/iwlwifi/dvm/iwldvm.ko

Not sure if this is a hardware or software or firmware issue. No other
devices/systems are having this issue on the same wifi network.

If anyone has any advice it would be appreciated. Since I have a
workaround it is just an annoyance.

Regards,

Jim Murphy