> Are CONFIG_DELL_LAPTOP and CONFIG_DELL_WMI set as Y or M in your kernel
> config?
CONFIG_DELL_WMI is set as a module. I don't see CONFIG_DELL_LAPTOP
>
> Anyways, you can try adding acpi_osi=Linux acpi_backlight=vendor to your
> kernel command line. I doubt it will change anything, but it's worth a
> try. Other than that, I'm out of ideas.
You're right, it makes no difference and of course setting acpi=off means the
nouveau module is not loaded and it falls back to using vesa.
I guess this will have to stay as one of those quirky things that doesn't have
an obvious solution. I expect a nvidia driver programmer could solve it but I
don't have access to one of those.
Thanks for your time and comments Armin and thanks to everyone who contributed
to this thread - it's much appreciated.
jb.
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