[REGRESSION] bcm2835-audio fails to register on vchiq-bus in monolithic kernels since 6.19 (VCHIQ destaging?)
Thorsten Leemhuis
regressions at leemhuis.info
Mon Oct 12 06:23:13 PDT 2026
On 9/21/26 12:07, Martin Wetterwald wrote:
> After moving from 6.18.52 to 6.19 (still present in 7.2.6), the bcm2835
> Headphones sound card no longer appears on my Raspberry Pi 3 Model B Rev 1.2
> (arm64). 6.18.52 works with the exact same userspace.
> [...]
> My suspect is this commit:
>
> aa125180c673881f88b528600b57865dc158b3a7
> ("platform/raspberrypi: Destage VCHIQ interface")
>
> I could not bisect to a single commit,
Hmm, no answer, so it seems nobody really cares. A bisection might help.
Or at least validating your suspicion, hence: why can't you check the
parent of aa125180c6738 and aa125180c6738 itself? Or at least the range
with that commit in it? And is latest 7.3-rc still broken?
Ciao, Thorsten
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