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Date: Mon, 06 Jan 2014 08:10:29 +0100
From: Hans Petter Selasky <hps@bitfrost.no>
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To: huanghwh@gmail.com, Adrian Chadd <adrian@freebsd.org>
Subject: Re: Install 10.0-RC3 on MacBookPro Late 2013
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On 01/06/14 05:11, Huang Wen Hui wrote:
> Hi,
>
> USB still have a lot of  USB_ERR_TIMEOUT,  but Internal keyboard and
> external keyboard found and works!
> usb disk also found, but booting stop at:
> Mounting from ufs:/dev/da0a failed with error 6.
> or a lot of cam Retrying command.
>
> Cheers,
> Huang Wen Hui

Hi,

I think there is an IRQ problem. Either some IRQ is not handled or IRQ's 
are not forwarded to the drivers properly. You might want to compile the 
XHCI debugging variable to 16 inside dev/usb/controller/xhci.c, and 
watch what is going on.

--HPS