Comment 4 for bug 1856372

I'm seeing similar behaviour; the NIC appears to be 'connected' to the AP but no packets appear to move.

root@vs85483:~# lspci | egrep Ath
3b:00.0 Network controller: Qualcomm Atheros QCA6174 802.11ac Wireless Network Adapter (rev 32)
root@vs85483:~#

root@vs85483:~# dmesg | grep ath10k
[ 4.379983] ath10k_pci 0000:3b:00.0: enabling device (0000 -> 0002)
[ 4.384471] ath10k_pci 0000:3b:00.0: pci irq msi oper_irq_mode 2 irq_mode 0 reset_mode 0
[ 4.670211] ath10k_pci 0000:3b:00.0: qca6174 hw3.2 target 0x05030000 chip_id 0x00340aff sub 1a56:1535
[ 4.670213] ath10k_pci 0000:3b:00.0: kconfig debug 0 debugfs 1 tracing 1 dfs 0 testmode 0
[ 4.670611] ath10k_pci 0000:3b:00.0: firmware ver WLAN.RM.4.4.1-00140-QCARMSWPZ-1 api 6 features wowlan,ignore-otp,mfp crc32 29eb8ca1
[ 4.735670] ath10k_pci 0000:3b:00.0: board_file api 2 bmi_id N/A crc32 4ac0889b
[ 4.826897] ath10k_pci 0000:3b:00.0: unsupported HTC service id: 1536
[ 4.846191] ath10k_pci 0000:3b:00.0: htt-ver 3.60 wmi-op 4 htt-op 3 cal otp max-sta 32 raw 0 hwcrypto 1
[ 4.952299] ath10k_pci 0000:3b:00.0 wlp59s0: renamed from wlan0
[ 9.360405] ath10k_pci 0000:3b:00.0: unsupported HTC service id: 1536

root@vs85483:~# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.04.2 LTS
Release: 20.04
Codename: focal
root@vs85483:~#

root@vs85483:~# apt list --installed | egrep "^linux-firmware"
[snip]
linux-firmware/focal-updates,focal-updates,now 1.187.12 all [installed,automatic]
root@vs85483:~#

Plucked from lshw:
product: XPS 15 9570 (087C)

System firmware and apt managed packages all up to date as of today (2021/05/20).

I'm happy to assist with further information/tests if that is helpful.

-Lee