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Re: rfkill list wlan, Hard blocked: yes

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On Sun 21 Jan 2024 at 21:57:20 (+0100), Geert Stappers wrote:
> On Sun, Jan 21, 2024 at 12:59:01PM -0600, David Wright wrote:
> > On Sun 21 Jan 2024 at 18:58:43 (+0100), Geert Stappers wrote:
> > > On Sun, Jan 21, 2024 at 10:44:04AM -0600, David Wright wrote:
> > > > On Sun 21 Jan 2024 at 17:33:57 (+0100), Geert Stappers wrote:
> > > > ( https://lists.debian.org/debian-user/2024/01/msg01038.html )
> > > > > [    7.854942] iwlwifi 0000:02:00.0: reporting RF_KILL (radio disabled)
> > > > > [    7.860452] iwlwifi 0000:02:00.0: RF_KILL bit toggled to disable radio.
> > > > > [    8.356275] iwlwifi 0000:02:00.0 wlp2s0: renamed from wlan0
> > > > 
> > > > Run rfkill and, if it's blocked, unblock it.
> > > 
> > > Installed package `rfkill`  (it wasn't installed before)
> > > and tried it.
> > > 
> > > It does report "hard blocked", but rfkill can't change it.
> > > 
> > > I always tried a "function key" on the keyboard of the laptop,
> > > also without the desired effect.
> > 
> > Has that worked in the past … on previous Debians … on
> > the originally installed OS?
> 
> I think it has.  Years ago.
> 
> In recent years only the ethernet interface has been used.

Just checking, as some laptops are supplied without a wifi option.

You could try checking the BIOS—my Lenovo has an ?InsydeH2O BIOS
with a section:

Wireless                                Enabled
Bluetooth                               Enabled
Power Beep                              Disabled
Intel Virtual Technology                Disabled
BIOS Back Flash                         Disabled
HotKey Mode                             Enabled → Disabled
Always On USB                           Disabled
AOAC Configuration                      Enabled
Deep S3 Function                        Disabled

You could install the regulatory database if it's not there
(wireless-regdb). However, I think normal behaviour is to
allow wifi to run at the lowest legal power when the
regulatory domain is not known.

After that, I'm getting out of my depth:

> [    8.002917] thinkpad_acpi: rfkill switch tpacpi_bluetooth_sw: radio is blocked
> [    8.019804] thinkpad_acpi: rfkill switch tpacpi_wwan_sw: radio is blocked
> [    8.685725] iwlwifi 0000:02:00.0: can't disable ASPM; OS doesn't have ASPM control

Possibilities here are suggested by:

https://www.reddit.com/r/debian/comments/8c6ytj/active_state_power_management_aspm/

https://www.reddit.com/r/debian/comments/y4ahsh/solution_cant_disable_aspm_os_doesnt_have_aspm/

and:

https://www.kernel.org/doc/html/v5.19/admin-guide/kernel-parameters.html

which warns:

  pcie_aspm=   [PCIE] Forcibly enable or disable PCIe Active State Power Management.
       off     Disable ASPM.
       force   Enable ASPM even on devices that claim not to support it.
               WARNING: Forcing ASPM on may cause system lockups.

Cheers,
David.

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Thread

rfkill list wlan, Hard blocked: yes Geert Stappers <stappers@stappers.nl> - 2024-01-21 19:00 +0100
  Re: rfkill list wlan, Hard blocked: yes Marco Moock <mm@dorfdsl.de> - 2024-01-21 19:50 +0100
  Re: rfkill list wlan, Hard blocked: yes David Wright <deblis@lionunicorn.co.uk> - 2024-01-21 20:00 +0100
    Re: rfkill list wlan, Hard blocked: yes Geert Stappers <stappers@stappers.nl> - 2024-01-21 22:00 +0100
      Re: rfkill list wlan, Hard blocked: yes David Wright <deblis@lionunicorn.co.uk> - 2024-01-21 23:10 +0100
      Re: rfkill list wlan, Hard blocked: yes David Wright <deblis@lionunicorn.co.uk> - 2024-01-23 18:20 +0100
    ThinkPad Extra Buttons as  /devices/platform/thinkpad_acpi/input/input16 Geert Stappers <stappers@stappers.nl> - 2024-01-21 22:50 +0100
      Re: ThinkPad Extra Buttons as  /devices/platform/thinkpad_acpi/input/input16 David Wright <deblis@lionunicorn.co.uk> - 2024-01-21 23:40 +0100
        Re: ThinkPad Extra Buttons as  /devices/platform/thinkpad_acpi/input/input16 Geert Stappers <stappers@stappers.nl> - 2024-01-22 07:50 +0100
          Re: ThinkPad Extra Buttons as  /devices/platform/thinkpad_acpi/input/input16 David Wright <deblis@lionunicorn.co.uk> - 2024-01-23 05:10 +0100
      Re: ThinkPad Extra Buttons as  /devices/platform/thinkpad_acpi/input/input16 Charles Curley <charlescurley@charlescurley.com> - 2024-01-22 06:20 +0100

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