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Re: GNU Mach: enabling all (working) device drivers by default?

From: Thomas Bushnell BSG
Subject: Re: GNU Mach: enabling all (working) device drivers by default?
Date: Tue, 19 Sep 2006 09:36:57 -0700
User-agent: Gnus/5.110006 (No Gnus v0.6) Emacs/21.4 (gnu/linux)

Thomas Schwinge <tschwinge@gnu.org> writes:

> The only situations where this is _not_ what I'd expect from a kernel's
> build system by default is when a) hunting bugs or b) building a large
> number of kernels when testing specific issues (and you then only want to
> compile the actually needed device drivers to save time).  Are a) and b)
> relevant to justify _not_ having the whole lot enabled by default?

There are also lots of cases historically where two drivers both work,
but are incompatible and cannot coexist together.  Sometimes these
interactions are tricky.

Also, drivers often have delays while waiting for devices to respond
(manufacturer specs often call for things like a *one second* delay
wait) and so booting can take a long time while you wait for a bunch
of nonexistent devices not to respond.


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