Odd crash in ath10k card only on certain firmware versions...

[Kalle Valo]

Peter Dohm <peterdohm at blackmesa.com> writes:

> I’ve been experimenting with a generic QCA6174 hw 3.0 card that was
> purchased with my Protectli Vault appliance
> (https://protectli.com/product/m2-wifi/) which looks to just be this
> device resold: https://www.jetone.com.tw/jww6051.html
>
> The device per lspci looks like so:
>
> 07:00.0 Network controller: Qualcomm Atheros QCA6174 802.11ac Wireless
> Network Adapter (rev 30)
>     Subsystem: Qualcomm Atheros Device 3361
>     Flags: bus master, fast devsel, latency 0, IRQ 176
>     Memory at b1000000 (64-bit, non-prefetchable) [size=2M]
>     Capabilities: [40] Power Management version 3
>     Capabilities: [50] MSI: Enable+ Count=1/8 Maskable+ 64bit-
>     Capabilities: [70] Express Endpoint, MSI 00
>     Capabilities: [100] Advanced Error Reporting
>     Capabilities: [148] Virtual Channel
>     Capabilities: [168] Device Serial Number 00-00-00-00-00-00-00-00
>     Capabilities: [178] Latency Tolerance Reporting
>     Capabilities: [180] L1 PM Substates
>     Kernel driver in use: ath10k_pci
>     Kernel modules: ath10k_pci
>
> This is an arch linux kernel: 6.2.8-arch1-1#1 SMP PREEMPTY_DYNAMIC,
> and everything is the latest generally available as per the date of
> this original email, March 28, 2023.
>
> The default linux firmware that ships with arch (which uses the latest
> per hashes of the latest available on github) crashes as i’ll describe
> below...
>  
> If I use firmware version
> QCA6174/hw3.0/4.4.1/firmware-6.bin_WLAN.RM.4.4.1-00132-QCARMSWP-1,
> everything works perfectly. If i use any firmware newer than version
> 00132, i get the following crash during in module load:
>  
> (these are the only dmesg lines emitted, and the adapter interface does not plumb)
>  
> [timestamp] ath10k_pci 0000:07:00.0: wmi unified ready event not received
> [timestamp] ath10k_pci 0000:07:00.0: device has crashed during init
> [timestamp] ath10k_pci 0000:07:00.0: device has crashed during init
> [timestamp] ath10k_pci 0000:07:00.0: failed to wait for target init: -70
> [timestamp] ath10k_pci 0000:07:00.0: could not init core (-110)
> [timestamp] ath10k_pci 0000:07:00.0: could not probe fw (-110)
>  
> Does anyone have ANY ideas why this particular card is crashing on the
> most recent firmwares? I am glad to experiment to try and figure this
> out with others’ help.

There was a similar thread already from last year, I'll include you to
that thread:

https://lore.kernel.org/ath10k/878rf6a1s2.fsf@kernel.org/T/#t

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