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Re: disable software blocking of wifi?

From: znavko
Subject: Re: disable software blocking of wifi?
Date: Fri, 5 Apr 2019 16:19:03 +0200 (CEST)

As described here

need to do this:
sudo sh -c "echo 'options ath5k nohwcrypt' >/etc/modprobe.d/custom-wireless.conf"

So I tried this:
$ lsmod | grep ath
ath9k                 155648  0
ath9k_common           24576  1 ath9k
ath9k_hw              479232  2 ath9k_common,ath9k
ath                    32768  3 ath9k_common,ath9k,ath9k_hw
mac80211              839680  1 ath9k
cfg80211              692224  4 ath9k_common,ath9k,ath,mac80211
ath3k                  24576  0
bluetooth             561152  7 btrtl,btqca,btintel,hci_uart,btbcm,ath3k,btusb

$ modinfo ath9k
filename:       /run/booted-system/kernel/lib/modules/5.0.5-gnu/kernel/drivers/net/wireless/ath/ath9k/ath9k.ko
license:        Dual BSD/GPL
description:    Support for Atheros 802.11n wireless LAN cards.
depends:        mac80211,ath9k_hw,ath9k_common,cfg80211,ath
retpoline:      Y
intree:         Y
name:           ath9k
vermagic:       5.0.5-gnu SMP mod_unload modversions
parm:           debug:Debugging mask (uint)
parm:           nohwcrypt:Disable hardware encryption (int)
parm:           blink:Enable LED blink on activity (int)
parm:           led_active_high:Invert LED polarity (int)
parm:           btcoex_enable:Enable wifi-BT coexistence (int)
parm:           bt_ant_diversity:Enable WLAN/BT RX antenna diversity (int)
parm:           ps_enable:Enable WLAN PowerSave (int)
parm:           use_chanctx:Enable channel context for concurrency (int)
parm:           use_msi:Use MSI instead of INTx if possible (int)

# tail -n8 /etc/config.scm

 (kernel-arguments '("modprobe.blacklist=pcspkr,snd_pcsp,wmi,bluetooth,pata_acpi"

);;end of operating-system

# guix system reconfigure
# reboot

Also I have this in /var/log/messages :
Apr  5 16:56:40 localhost wpa_supplicant: Libgcrypt warning: missing initialization - please fix the application

I do not know what to do?

Apr 5, 2019, 1:52 PM by address@hidden:
Hello! I am creating my own config. I've disabled networkmanager-service-type, configured wpa-supplicant (but have not yet configured dhcpcd, cause it needs networking service).
Guix reconfigures my system normally.

But during boot there is a message: rfkill: WLAN soft blocked
And that is why wpa-supplicant fails:

# reboot
# dhclient -v wlp2s0
Internet Systems Consortium DHCP Client 4.4.1
Copyright 2004-2018 Internet Systems Consortium.
All rights reserved.
For info, please visit

RTNETLINK answers: Operation not possible due to RF-kill
Listening on LPF/wlp2s0/xx:xx:xx:xx:55
Sending on   LPF/wlp2s0/xx:xx:xx:xx:55
Sending on   Socket/fallback
DHCPREQUEST for on wlp2s0 to port 67
send_packet: Network is down
dhclient.c:2762: Failed to send 300 byte long packet over wlp2s0 interface.
receive_packet failed on wlp2s0: Network is down

# ifconfig
lo        Link encap:Local Loopback
          inet addr:  Bcast:  Mask:
          UP LOOPBACK RUNNING  MTU:65536  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  TX bytes:0

# rfkill list all
0: ideapad_wlan: Wireless LAN
    Soft blocked: yes
    Hard blocked: no
1: ideapad_bluetooth: Bluetooth
    Soft blocked: yes
    Hard blocked: no
2: phy0: Wireless LAN
    Soft blocked: yes
    Hard blocked: no

# rfkill unblock wifi

# herd restart wpa-supplicant
# dhclient -v wlp2s0

So I need manually unblock wifi and restart wpa-supplicant, but it's not coveinent.

I tried this lines as I've got from here :

 (kernel-arguments '("modprobe.blacklist=pcspkr,snd_pcsp,wmi,pata_acpi"

But adding 'wmi,pata_acpi  ' but not helped. If add ideapad_laptop to blacklist, then rfkill does not see interfaces wlan and bluetooth.

# lsmod | grep -e wmi -e acpi
wmi                    32768  1 ideapad_laptop

How to prevent rfkill blocking of wlan?

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