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From: Hans Petter Selasky <hselasky@c2i.net>
To: freebsd-usb@freebsd.org,
 David.I.Noel@gmail.com
Date: Mon, 27 Feb 2012 20:27:39 +0100
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Subject: Re: 9.0 - USB init failed err=18
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On Monday 27 February 2012 17:59:51 David Noel wrote:
> Since upgrading to 9.0 I've been getting a handful of EHCI-related
> dmesg errors and USB 1.0 performance from my ICH5's 2.0 ports. I
> booted an 8.3 memstick to be certain it wasn't a hardware issue and
> was able to push a few GB over USB at full 2.0 speeds. The system is a
> PowerEdge SC1420 running amd64 (GENERIC); relevant dmesg below:
> 
> ...
> ehci0: <Intel 82801EB/R (ICH5) USB 2.0 controller> mem
> 0xcff00000-0xcff003ff irq 23 at device 29.7 on pci0
> ioapic0: routing intpin 23 (PCI IRQ 23) to lapic 0 vector 54
> usbus4: EHCI version ff.ff
> usbus4: reset timeout
> usbus4: reset timeout
> ehci0: USB init failed err=18
> unknown: reset timeout
> device_attach: ehci0 attach returned 6
> ...
> 
> A full "boot -v" can be found here: http://pastebin.com/pXi9kruw
> 

Hi,

This might have something to do with ACPI USB handover. I think this feature 
was supposed to be moved into the loader, but I'm not fully sure.

http://svnweb.freebsd.org/base?view=revision&revision=224269

--HPS