Date: Fri, 29 Oct 2004 06:26:46 -0400 (EDT) From: Andre Guibert de Bruet <andy@siliconlandmark.com> To: "Thomas E. Zander" <riggs@rrr.de> Cc: current@freebsd.org Subject: Re: EHCI considered harmful? Message-ID: <20041029062021.R82803@alpha.siliconlandmark.com> In-Reply-To: <20041029081900.GH701@marvin.riggiland.au> References: <20041029075930.GG701@marvin.riggiland.au> <20041029080817.GB728@empiric.icir.org> <20041029081900.GH701@marvin.riggiland.au>
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On Fri, 29 Oct 2004, Thomas E. Zander wrote: > On Fri, 29. Oct 2004, at 1:08 -0700, Bruce M Simpson wrote > according to [Re: EHCI considered harmful?]: > >> ehci(4) is not stable code and fails reproducibly with my ALi-based >> USB2 disk enclosure. > > Well, okay then. I was just wondering because it doesn't appear on > Scott's todo-list for 5.3-R and it seems to accidently work on my > box :-) This is my understanding of the current state of our USB ehci support: ehci only works with certain chipsets. On the ones that it does work with, you do not want to have a USB2 hub connected (With ehci in your config) as it will not be supported. Removing ehci from your kernel lets you use a USB2 hub in 1.1 mode. Andy | Andre Guibert de Bruet | Enterprise Software Consultant > | Silicon Landmark, LLC. | http://siliconlandmark.com/ >
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