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From: Hans Petter Selasky <hselasky@c2i.net>
To: freebsd-current@freebsd.org,
 Daniel Eischen <deischen@freebsd.org>
Subject: Re: USB not working
Date: Mon, 25 Feb 2013 09:38:22 +0100
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On Sunday 24 February 2013 20:31:52 Daniel Eischen wrote:
> Hey, I've got a Dell Inspiron 15R Special Edition and haven't
> had working USB since first installing FreeBSD on it.  I'm
> currently at r247154.
> 
> When I insert a flash drive (which works fine on my desktop
> -current system), it is not recognized.  I've tried multiple
> different USB drives (external HDD, flash) that all work
> on my desktop, but aren't recognized on me Dell notebook.
> This is what is in dmesg:
> 
> xhci_do_command: Command timeout!
> usb_alloc_device: device init 2 failed (USB_ERR_TIMEOUT, ignored)
> ugen0.2: <Unknown> at usbus0 (disconnected)
> uhub_reattach_port: could not allocate new device
> 
> I've got the output of a dmesg, pciconf -lv, and messages
> during insertion with:
> 
>    hw.usb.dev.debug=1
>    hw.usb.umass.debug=1
>    hw.usb.uhub.debug=1
>    hw.usb.ugen.debug=1
>    hw.usb.xhci.debug=1
> 
> here:
> 
>    http://people.freebsd.org/~deischen/usb/dmesg.txt
>    http://people.freebsd.org/~deischen/usb/pciconf.txt
>    http://people.freebsd.org/~deischen/usb/usb_flash_insertion.tx
> 
> Any suggestions?

Try to set:

sysctl hw.usb.xhci.xhci_port_route=-1

In /boot/loader.conf

I see you have a Pantherpoint chipset, and those have special port routing 
features.

--HPS