ath12k WCN7850: Q6 Hexagon fault at WLAON region 0x1792000 ~2s post-AUTHORIZE on X1E80100

[Marcus Glocker]

On Thu, May 14, 2026 at 07:20:51PM +0200, Marcus Glocker wrote:

> Hi Baochen, all,
> 
> On Thu, May 14, 2026 at 09:55:30AM +0800, Baochen Qiang wrote:
> 
> > > With that fixed, the firmware error is gone, and we can now receive
> > > and IP from DHCP.  We're working on getting the TX path work next.
> > 
> > OK, good to see it gets fixed!
> 
> Since today we also got RX/TX fixed, so we have now an initial working
> ath12k device with our qwz driver on OpenBSD.
> 
> What is still missing from the firmware side;  The PCI-id of the
> WCN7850 chip included in the Samsung Galaxy Book4 Edge isn't included
> yet in to the Linux firmware package.  I've addressed this a few times,
> but unfortunately no feedback.  That's the additional PCI-id line
> which is required for the Samsung Galaxy Book4 Edge:
> 
> --- board-2.json.orig	Sun Apr 26 08:06:37 2026
> +++ board-2.json	Sun Apr 26 08:07:45 2026
> @@ -160,7 +160,8 @@
>              {
>                  "names": [
>                      "bus=pci,vendor=17cb,device=1107,subsystem-vendor=17aa,subsystem-device=e0e6,qmi-chip-id=2,qmi-board-id=255",
> -                    "bus=pci,vendor=17cb,device=1107,subsystem-vendor=1eac,subsystem-device=8003,qmi-chip-id=2,qmi-board-id=255"
> +                    "bus=pci,vendor=17cb,device=1107,subsystem-vendor=1eac,subsystem-device=8003,qmi-chip-id=2,qmi-board-id=255",
> +		    "bus=pci,vendor=17cb,device=1107,subsystem-vendor=17cb,subsystem-device=1107,qmi-chip-id=2,qmi-board-id=255"
>                  ],
>                  "data": "bus=pci,vendor=17cb,device=1107,subsystem-vendor=17aa,subsystem-device=e0e6,qmi-chip-id=2,qmi-board-id=255.bin"
>              },
> @@ -202,4 +203,4 @@
>              }
>          ]
>      }
> -]
> \ No newline at end of file
> +]
> 
> With the resulting 'qwz-wcn7850-hw2.0-board-2' firmware board file,
> we have now proved that the ath12k driver is working with Linux and
> OpenBSD on the Samsung Galaxy Book4 Edge.  Maxim Storetvedt did test
> with Linux.
> 
> Given that, would it be possible to include this PCI-id to the next
> linux-firmware package?
> 
> Thanks and Regards,
> Marcus

Hi Jeff, Can,

Could you please help me with my above request?

Thanks,
Marcus