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From: Hans Petter Selasky <hselasky@c2i.net>
Subject: Re: usb/173722: XHCI driver bug after suspend to ram (ACPI S3 mode)
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The following reply was made to PR usb/173722; it has been noted by GNATS.

From: Hans Petter Selasky <hselasky@c2i.net>
To: freebsd-usb@freebsd.org
Cc: Florian Jung <florian.a.jung@web.de>,
 freebsd-gnats-submit@freebsd.org
Subject: Re: usb/173722: XHCI driver bug after suspend to ram (ACPI S3 mode)
Date: Mon, 19 Nov 2012 19:21:13 +0100

 On Monday 19 November 2012 16:36:45 Florian Jung wrote:
 > >Number:         173722
 > >Category:       usb
 > >Synopsis:       XHCI driver bug after suspend to ram (ACPI S3 mode)
 > >Confidential:   no
 > >Severity:       non-critical
 > >Priority:       low
 > >Responsible:    freebsd-usb
 > >State:          open
 > >Quarter:
 > >Keywords:
 > >Date-Required:
 > >Class:          sw-bug
 > >Submitter-Id:   current-users
 > >Arrival-Date:   Mon Nov 19 15:40:00 UTC 2012
 > >Closed-Date:
 > >Last-Modified:
 > >Originator:     Florian Jung
 > >Release:        9.0-RELEASE-p3
 > >Organization:
 > 
 > >Environment:
 > FreeBSD beastie 9.0-RELEASE-p3 FreeBSD 9.0-RELEASE-p3 #0: Tue Jun 12
 > 02:52:29 UTC 2012   
 > root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC  amd64
 > 
 > >Description:
 > After entering and waking up from suspend to ram aka ACPI S3 state, the
 > dmesg get flooded with "xhci_interrupt: host controller halted", and my
 > USB3.0 device stops working.
 > 
 > (It is a external hard disk drive, and the device node just vanished and
 > won't re-appear)
 > 
 > My USB2.0 and 1.x devices however do still work.
 > 
 > It seems that i can provoke the generation of these "xhci_interrupt: host
 > controller halted" messages by typing on my USB-2.0-Keyboard or by moving
 > my USB-2.0-Mouse.
 > 
 > >How-To-Repeat:
 > - Start up FreeBSD
 > - Plug in USB3.0 Harddisk
 > - It will work.
 > - sudo acpiconf -S 3
 > - re-awake the computer
 > - ls /dev/ tells you that the harddisk is gone
 > - dmesg tells you the "xhci_interrupt: host controller halted" messages.
 > - replug the harddisk
 > - it still does not work.
 > 
 
 If you unplug the harddisk before the suspend, does it work afterwards then?
 
 --HPS