ACPI debug messages

[Anthony Jenkins]

On 10/11/2014 14:10, Eric McCorkle wrote:
> Hello,
>
> I decided to try tracing through the evaluation of the DSM method in order to track down where the graphics driver failure I mentioned earlier is coming from.
>
> However, it looks like there's already an extensive debug logging system in place in the acpica system.
>
> Can this be controlled from user space (presumably through sysctls), or does it need to be compiled in?

My experience has been you at least need to recompile the kernel with 'options ACPI_DEBUG'.  Then you can control debug output with loader tunables 'debug.acpi.layer' and 'debug.acpi.layer' (you can probably use sysctl(8) with these too, but don't think I tried).

Anthony Jenkins

> _______________________________________________
> freebsd-acpi at freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-acpi
> To unsubscribe, send any mail to "freebsd-acpi-unsubscribe at freebsd.org"
>