Re: EHCI considered harmful?

From: Brian K. White <brian_at_aljex.com>
Date: Sat, 30 Oct 2004 15:32:17 -0400
> On Friday, 29. October 2004 10:08, Bruce M Simpson wrote:
> > On Fri, Oct 29, 2004 at 09:59:30AM +0200, Thomas E. Zander wrote:
> > > I'm just wondering why ehci doesn't make it into GENERIC for RELENG_5.
> > > Are there unresolved show stoppers related to it?
> >
> > ehci(4) is not stable code and fails reproducibly with my ALi-based
> > USB2 disk enclosure.
>
> Well, if we would take stability and general usefulness (even more so in
> comparison to other USB implementations in mind) as the reference point, 
> we
> would need to disable most of USB. I think enabling ehci in GENERIC would 
> be
> a good idea, especially since there's no loadable module...

I think that since it can't be unloaded and can crash or lock up a box 
before the kernel even finishes booting, that this idea is absolutely 
backwards.

You like it and it happens to work ok for you with the devices you just 
happen to currently use, and you want it to be more convenient for you to 
use it? Fine, make it into a module. Still keep it off by default but you 
could then put a nice easy little line in your loader.conf and no one else 
will have to answer questions like why did they put something into the 
generic kernel that stops some people from being able to even boot the 
install cd anymore? Ask me how I know.

Brian K. White  --  brian_at_aljex.com  --  http://www.aljex.com/bkw/
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Received on Sat Oct 30 2004 - 17:33:15 UTC

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