[Pkg-raspi-maintainers] X works, audio not (was: Re: X server on RPi3)

[Dominik George]

> after dropping out of the team some time ago*, I tested the current
> preview image.
> 
> It works quite well, but once I start lightdm (and enter my username -
> sometimes it takes a bit), I get an error from vc4_v3d complaining it
> cannot allocate memory. It proposes to enable CMA, but when I add
> cma=128 to the kernel command line, HDMI stops working at all.

OK, I got that solved by adding the following to config.txt:

cma_lwm=16
cma_hwm=256
cma_offline_start=16

…and removing cma=128 (which should in the first place have been
cma=128M) from cmdline.txt again.

However, despite tiwddling with config.txt even more, I cannot seem to
get the analog audio output to work (and the HDMI audio has no controls
in alsamixer).

Cheers,
Nik
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