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I was recently having a trouble with system freezes.
it caused me to switch kernel a few times, and caused a bunch of abrupt shutdowns.
Today, after a reboot I couldn't see the wifi device on
ip link
(I think I tried to come back from hiberantion but it rebooted, happens sometimes)
lspci finds the network controller
00:14.3 Network controller: Intel Corporation Cannon Point-LP CNVi [Wireless-AC] (rev 30)
looking in dmesg I found the following error
[ 2.311501] iwlwifi: probe of 0000:00:14.3 failed with error -22
also:
$ lsmod|grep wifi
iwlwifi 430080 0
cfg80211 1011712 1 iwlwifi
I rebooted into windows, but it also couldn't start the network device,
I tried to power cycle the laptop (shutting down to 30+ secs, with and without forcing power off with long press of power button) but it didn't work.
tried all kinds of different kernels
and tried
# echo 1 > /sys/bus/pci/devices/0000\:00\:14.3/remove
# echo 1 > /sys/bus/pci/rescan
Is there still hope?
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