The following reply was made to PR usb/173722; it has been noted by GNATS.
From: Hans Petter Selasky <hsela...@c2i.net>
To: Florian Jung <florian.a.j...@web.de>
Subject: Re: usb/173722: XHCI driver bug after suspend to ram (ACPI S3 mode)
Date: Mon, 19 Nov 2012 20:52:35 +0100
On Monday 19 November 2012 20:21:47 Florian Jung wrote:
> Am 19.11.2012 19:21, schrieb Hans Petter Selasky:
> > 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
> >> r...@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
> No, that causes the same problem.
> I don't even need to attach it: boot freebsd, enter acpi s3, wake up,
> and then plug in the disk leads to the same problem.
> i have found out that compiling XHCI has loadable module, and unloading
> it before suspend and re-loading it afterwards solves the problem.
> the "xhci_interrupt: host controller halted"-messages don't appear, and
> i can use my harddisk afterwards.
> looks like xhci is failing to reinitalize properly after suspend?
Do you have a USB 3.0 compatible BIOS?
I think we might need to halt the XHCI as part of the resume process. Can you
try this patch:
diff --git a/sys/dev/usb/controller/xhci.c b/sys/dev/usb/controller/xhci.c
index 756b1ed..576ed71 100644
@@ -578,6 +578,8 @@ xhci_set_hw_power_sleep(struct usb_bus *bus, uint32_t
+ DPRINTF("Halting the XHCI\n");
DPRINTF("Starting the XHCI\n");
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