[FS#4051] ath10k_pci firmware is crashing in loops (Attachment added)

[OpenWrt Bugs]

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A new Flyspray task has been opened.  Details are below. 

User who did this - Luiz Angelo Daros de Luca (luizluca) 

Attached to Project - OpenWrt/LEDE Project
Summary - ath10k_pci firmware is crashing in loops
Task Type - Bug Report
Category - Kernel
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - High
Priority - Very Low
Reported Version - openwrt-21.02
Due in Version - Undecided
Due Date - Undecided
Details - I have a TP-Link Archer C7v4 with 21.02. After 21.02 upgrade, ath10k firmware started to crash in loops. I get a lot of logs,

[11487.634801] ath10k_pci 0000:00:00.0: device successfully recovered
[11492.190000] ath10k_pci 0000:00:00.0: HTC Rx: invalid eid 117
[11492.241196] ath10k_pci 0000:00:00.0: HTC Rx: invalid eid 15
[11496.695656] ath10k_pci 0000:00:00.0: HTC Rx: invalid eid 127
[11496.746854] ath10k_pci 0000:00:00.0: HTC Rx: invalid eid 208
[11496.798068] ath10k_pci 0000:00:00.0: HTC rx frame too long, len: 65330
[11496.849253] ath10k_pci 0000:00:00.0: HTC rx frame too long, len: 65543
[11496.900455] ath10k_pci 0000:00:00.0: HTC rx frame too long, len: 18916
[11498.129262] ath10k_pci 0000:00:00.0: HTC Rx: invalid eid 189
[11498.180467] ath10k_pci 0000:00:00.0: HTC Rx: invalid eid 41
[11499.972498] ath10k_pci 0000:00:00.0: HTC Rx: invalid eid 209
...
[11519.921127] ath10k_pci 0000:00:00.0: firmware crashed! (guid d9fcd37f-f88d-4c9c-a552-28050cb02db3)

And a couple of kernel stacks too. I'll attach dmesg messages.

It started after my last reboot and system uptime is still small (about 3hs). 
The system seems to be updated:
ath10k-board-qca988x - 20201118-3
ath10k-firmware-qca988x-ct - 2020-11-08-1
kmod-ath - 5.4.143+5.10.42-1-1
kmod-ath10k-ct - 5.4.143+2021-06-03-b44cd7b2-2

ath9x does not seem to be affected.

After a reboot, the system was stable again.

One or more files have been attached.

More information can be found at the following URL:
https://bugs.openwrt.org/index.php?do=details&task_id=4051

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