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This happens on Lenovo Legion y7000/y7000p
After updating linux from 5.0.8 to 5.0.9, my laptop doesn't connect to network. When I run `sudo wifi-menu`, it shows:
n180211: Could not set interface 'wlp7s0' UP
Could not set interface wlp7s0 flags (UP): Operation not permitted
WEXT: Could not set interface 'wlp7s0' UP
wlp7s0: Failed to initialize driver interfaace
failed
No networks found
And the dmesg log shows:
➜ ~ cat linux-509.err.log | grep r8822be
[ 2.853769] r8822be: module is from the staging directory, the quality is unknown, you have been warned.
[ 2.937787] r8822be: Using firmware rtlwifi/rtl8822befw.bin
[ 2.944484] r8822be: rtlwifi: wireless switch is on
[ 2.947026] r8822be 0000:07:00.0 wlp7s0: renamed from wlan0
[ 4.992104] r8822be: halmac_init_hal failed
[ 5.177781] r8822be: halmac_init_hal failed
[ 5.179183] r8822be: halmac_init_hal failed
[ 5.212423] r8822be: halmac_init_hal failed
[ 5.213178] r8822be: halmac_init_hal failed
[ 15.001228] r8822be: halmac_init_hal failed
[ 15.001485] r8822be: halmac_init_hal failed
[ 25.002301] r8822be: halmac_init_hal failed
[ 25.003009] r8822be: halmac_init_hal failed
[ 35.004830] r8822be: halmac_init_hal failed
[ 35.005379] r8822be: halmac_init_hal failed
[ 42.778597] r8822be: halmac_init_hal failed
[ 42.779184] r8822be: halmac_init_hal failed
[ 45.007097] r8822be: halmac_init_hal failed
[ 45.007693] r8822be: halmac_init_hal failed
[ 55.007872] r8822be: halmac_init_hal failed
[ 55.008457] r8822be: halmac_init_hal failed
For myself, I solved it by this process, but I'm unsure of further updates:
* Downgrading linux to 5.0.8
* Booting Windows and connect to a random WLAN network
* Switching back to Arch Linux, wireless network works again
Is it a problem introduced by linux kernel itself? If so, could anyone help me report it, since I'm not familiar with Linux Kernel mailing list?
Last edited by outloudvi (2019-04-27 13:57:11)
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echo "options r8822be aspm=0" | sudo tee /etc/modprobe.d/r8822be.conf
solves this network problem on linux 5.0.9. You may still need to use Windows to connect to a WLAN network once before it's working.
Last edited by outloudvi (2019-04-23 01:30:42)
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