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Re: Wi-Fi broken on Dell E6520, Intel Centrino Advanced-N 6205 AGN, Debian 11.7 Xfce

On 5/4/23 13:36, Christoph Brinkhaus wrote:
Am Thu, May 04, 2023 at 01:14:12PM -0700 schrieb David Christensen:

After failing to start Wi-Fi three times, I see:

2023-05-04 12:37:39 root@laalaa ~
# dmesg | grep -i wifi
[   79.953085] Intel(R) Wireless WiFi driver for Linux
[   79.953314] iwlwifi 0000:03:00.0: can't disable ASPM; OS doesn't have
ASPM control
[   79.960679] iwlwifi 0000:03:00.0: firmware: direct-loading firmware
[   79.960863] iwlwifi 0000:03:00.0: loaded firmware version
6000g2a-6.ucode op_mode iwldvm
[   79.960889] iwlwifi 0000:03:00.0: firmware: failed to load
iwl-debug-yoyo.bin (-2)

I see the same message with a different Intel chip, too.
And I also seen docs which state that this is ok.

[   80.057548] iwlwifi 0000:03:00.0: CONFIG_IWLWIFI_DEBUG disabled
[   80.057551] iwlwifi 0000:03:00.0: CONFIG_IWLWIFI_DEBUGFS disabled
[   80.057552] iwlwifi 0000:03:00.0: CONFIG_IWLWIFI_DEVICE_TRACING disabled
[   80.057553] iwlwifi 0000:03:00.0: Detected Intel(R) Centrino(R)
Advanced-N 6205 AGN, REV=0xB0
[   80.070510] iwlwifi 0000:03:00.0: reporting RF_KILL (radio disabled)
[   80.070571] iwlwifi 0000:03:00.0: RF_KILL bit toggled to disable radio.
[   80.095718] iwlwifi 0000:03:00.0 wlp3s0: renamed from wlan0

Comments or suggestions for gathering information and/or getting Wi-Fi

In the past I have had regular issues due to my fat fingers which
touched the Wi-Fi off button on my keyboard. At that time I have not
noticed that the issue has been me :-).

There is a directory /var/lib/systemd/rfkill/ which holds a file named
by the Wi-Fi device. Here it is pci-0000:04:00.0:wlan. The content is
just a 0 for normal operation or 1 for Wi-Fi off which means RF_Kill.

Please check that file on your system and replace a possible 1 by a 0.

There might be a better method involving systemd to achieve the same.
But I am not aware of that. There is also a configuration bit whether
to enable Wi-Fi after reboot or to keep the previous setting. But I do
not remember the details right now.

Kind regards,

Thank you for replying.  :-)

There is no /var/lib/systemd directory on the laptop:

2023-05-04 14:23:25 root@taz ~
# ls -1 /var/lib/systemd/


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