ath12k: unstable connection

[Manuel Lauss]

Hello,

ath12k on a X1E78100 machine (lenovo yoga slim 7x), linux-6.11:
I cannot get a reliable wifi connection, it's deauthenticated very frequently:
Tried with firmware from linux-firmware repo, as well as the firmware
files from windows, no difference,
the connection never gets far enough for dhcp.
Find attached dmesg from this device (with the ath12k windows firmware files):

[    1.430990] ath12k_pci 0004:01:00.0: BAR 0 [mem
0x7c400000-0x7c5fffff 64bit]: assigned
[    1.434179] ath12k_pci 0004:01:00.0: enabling device (0000 -> 0002)
[    1.438367] ath12k_pci 0004:01:00.0: MSI vectors: 16
[    1.441509] ath12k_pci 0004:01:00.0: Hardware name: wcn7850 hw2.0
[    1.998385] ath12k_pci 0004:01:00.0: qmi dma allocation failed
(7012352 B type 1), will try later with small size
[    2.040327] ath12k_pci 0004:01:00.0: chip_id 0x2 chip_family 0x4
board_id 0xff soc_id 0x40170200
[    2.045560] ath12k_pci 0004:01:00.0: fw_version 0x110b0010
fw_build_timestamp 2024-04-22 07:13 fw_build_id
QC_IMAGE_VERSION_STRING=WLAN.HMT.1.1.c6-00016-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1

[    4.513299] wlan0: authenticate with 74:ac:b9:d8:7f:8f (local
address=58:cd:c9:0f:15:9f)
[    4.513517] wlan0: send auth to 74:ac:b9:d8:7f:8f (try 1/3)
[    4.520248] wlan0: authenticated
[    4.522562] wlan0: associate with 74:ac:b9:d8:7f:8f (try 1/3)
[    4.526083] wlan0: RX AssocResp from 74:ac:b9:d8:7f:8f
(capab=0x1511 status=0 aid=4)
[    4.540417] wlan0: associated
[    4.566399] wlan0: Limiting TX power to 20 (23 - 3) dBm as
advertised by 74:ac:b9:d8:7f:8f
[   31.298982] wlan0: deauthenticating from 74:ac:b9:d8:7f:8f by local
choice (Reason: 3=DEAUTH_LEAVING)
[   32.071245] wlan0: authenticate with 74:ac:b9:d8:7f:8f (local
address=58:cd:c9:0f:15:9f)
[   32.071423] wlan0: send auth to 74:ac:b9:d8:7f:8f (try 1/3)
[   32.076222] wlan0: authenticated
[   32.078558] wlan0: associate with 74:ac:b9:d8:7f:8f (try 1/3)
[   32.084768] wlan0: RX AssocResp from 74:ac:b9:d8:7f:8f
(capab=0x1511 status=0 aid=4)
[   32.098725] wlan0: associated
[   32.110122] wlan0: Limiting TX power to 20 (23 - 3) dBm as
advertised by 74:ac:b9:d8:7f:8f
[   36.496678] wlan0: deauthenticated from 74:ac:b9:d8:7f:8f (Reason:
6=CLASS2_FRAME_FROM_NONAUTH_STA)
[   37.269707] wlan0: authenticate with 74:ac:b9:d8:7f:8f (local
address=58:cd:c9:0f:15:9f)
[   37.269924] wlan0: send auth to 74:ac:b9:d8:7f:8f (try 1/3)
[   37.274999] wlan0: authenticated
[   37.278730] wlan0: associate with 74:ac:b9:d8:7f:8f (try 1/3)
[   37.282463] wlan0: RX AssocResp from 74:ac:b9:d8:7f:8f
(capab=0x1511 status=0 aid=4)
[   37.296479] wlan0: associated
[   37.348700] wlan0: Limiting TX power to 20 (23 - 3) dBm as
advertised by 74:ac:b9:d8:7f:8f
[   41.811122] wlan0: deauthenticated from 74:ac:b9:d8:7f:8f (Reason:
6=CLASS2_FRAME_FROM_NONAUTH_STA)
[   42.621293] wlan0: authenticate with 74:ac:b9:d8:7f:8f (local
address=58:cd:c9:0f:15:9f)
[   42.621518] wlan0: send auth to 74:ac:b9:d8:7f:8f (try 1/3)
[   42.626946] wlan0: authenticated
[   42.630654] wlan0: associate with 74:ac:b9:d8:7f:8f (try 1/3)
[   42.633789] wlan0: RX AssocResp from 74:ac:b9:d8:7f:8f
(capab=0x1511 status=0 aid=4)
[   42.646734] wlan0: associated
[   42.657585] wlan0: Limiting TX power to 20 (23 - 3) dBm as
advertised by 74:ac:b9:d8:7f:8f
[...]

Thank you!
    Manuel
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