Phil Elwell

But that will have the effect of introducing a stall at a point where in most cases there doesn't need to be one. Think of a driver that wants to...

The flushing is about timing, not about whether the writes actually occur. The patch you link to (by my colleague) is related, but the kernel I/O primitives (readl and writel)...

Alternatively, is there a way to disable the HDMI audio device? If there's a suitable DT property value then I can add a parameter to the vc4-kms-v3d overlay.

If only an overlay could delete a property.

This is unlikely to be a Pi-specific problem, in that the error suggests that something is writing off the end of a structure on the stack, causing stack corruption. @tduszynski,...

Thank you for responding and considering it. I had a look through the code and the cause was not at all obvious.

What does `dmesg | grep brcmfmac` return?

And `uname -a`?

Your OS is running almost the latest released kernel (6.4.6), but with the upstream firmware (`Apr 15 2021 03:03:20 version 7.45.234 (4ca95bb CY) FWID 01-996384e2`). We're on `7.45.241 (1a2f2fa CY)...

OK, try `strings /sys/firmware/devicetree/base/compatible` instead.