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From: John Baldwin <jhb@freebsd.org>
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Date: Thu, 17 Jan 2008 15:21:47 -0500
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Cc: Norberto Meijome <freebsd@meijome.net>
Subject: Re: Kernel panic when kldunload acpi_video
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On Thursday 17 January 2008 06:17:52 am Norberto Meijome wrote:
> On Wed, 16 Jan 2008 09:31:55 -0500
> John Baldwin <jhb@freebsd.org> wrote:
> 
> > Please get a crash dump with matching kernel.debug and 
acpi_video.ko.debug.
> 
> where do I read about creating a debug version of acpi_video.ko (or 
other .kos for that matter)?

If you use config -g it will build debug versions of kernel + modules.  To
build a debug module from /sys/modules/foo use 'make DEBUG_FLAGS=-g'.

-- 
John Baldwin