Date: Sun, 12 Oct 2014 22:14:53 +1100 (EST) From: Ian Smith <smithi@nimnet.asn.au> To: Eric McCorkle <eric@metricspace.net> Cc: freebsd-acpi@freebsd.org Subject: Re: ACPI debug messages Message-ID: <20141012220103.X56328@sola.nimnet.asn.au> In-Reply-To: <5439727F.4070602@metricspace.net> References: <5439727F.4070602@metricspace.net>
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On Sat, 11 Oct 2014 14:10:07 -0400, 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? It's all in acpi(4), and in the Handbook in the nowadays rather poorly-named "Power and Resource Management" at section 12.13.4: http://www.freebsd.org/doc/handbook/acpi-overview.html You can add it to your kernel, but I think acpi is now always loaded as a module, therefore you just need to rebuild the module, as described. cheers, Ian
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