Date: Fri, 7 Jun 2013 06:30:05 GMT From: Hans Petter Selasky <hps@bitfrost.no> To: freebsd-usb@FreeBSD.org Subject: Re: usb/179342: Freebsd 10.0-current USB 3.0 not working (xhci_do_comand: Command timeout!) Message-ID: <201306070630.r576U53h044057@freefall.freebsd.org>
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The following reply was made to PR usb/179342; it has been noted by GNATS.
From: Hans Petter Selasky <hps@bitfrost.no>
To: "Miguel C." <miguelmclara@gmail.com>
Cc: freebsd-gnats-submit@FreeBSD.org
Subject: Re: usb/179342: Freebsd 10.0-current USB 3.0 not working (xhci_do_comand:
Command timeout!)
Date: Fri, 07 Jun 2013 08:06:14 +0200
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On 06/05/13 21:05, Miguel C. wrote:
>
>> Number: 179342
>> Category: usb
>> Synopsis: Freebsd 10.0-current USB 3.0 not working (xhci_do_comand: Command timeout!)
>> 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: Wed Jun 05 19:10:00 UTC 2013
>> Closed-Date:
>> Last-Modified:
>> Originator: Miguel C.
>> Release:
>> Organization:
>> Environment:
> % uname -a
> FreeBSD r2d2 10.0-CURRENT FreeBSD 10.0-CURRENT #0: Mon May 13 00:54:58 UTC 2013 root@snap.freebsd.org:/usr/obj/usr/src/sys/GENERIC amd64
>> Description:
> This is an Ultrabook (acer s3) with only one USB 3.0 Controller (2-ports)
>
> I first noticed that I could not install 10-current using the memstick images, I got stuck at mount root, after upgrading form 9.1 using base and kernel tarballs I noticed that the system has no longer detecting my memsticks.
>
>
> When connecting usb devices (memstick,hdd) I get:
>
> xhci_do_comand: Command timeout!
> usb_alloc_device: device init 2 failed (USB_ERR_TIMEOUT, ignored)
> usbgen0.2: <Unknown> at usbus0 (disconnected)
> usb_reattach_port: could not allocate new device
>
>
> More info about the controller:
> xhci0: <Intel Panther Point USB 3.0 controller> mem 0xc0500000-0xc050ffff at device 20.0 on pci0
>
> And has I explained in the mailling list, I already tried:
>
> sysctl hw.xhci.xhci_port_route=-1 (and =1) in /boot/loader.conf
> (and in sysctl.conf but I guess the first one is the proper way
>
> rebooted, and still no luck.
>
>
>> How-To-Repeat:
> 1: Download a memstick image and dd to a usb, after boot you get stuck at "mountroot" prompt.
>
> 2: If you're able to install 10-0 current any other way, just connect a USB memstick to 3.0 controller, and you'll see the problem (unless if this is related to my controller specifically - Intel Panther Point USB 3.0)
>> Fix:
> Tried: sysctl hw.xhci.xhci_port_route=-1 -> DID NOT work!
>
Hi,
Can you patch the kernel using the attached patch? It will fake
interrupts. Does the XHCI work now?
--HPS
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filename="xhci_timer.diff"
=== xhci.h
==================================================================
--- xhci.h (revision 251258)
+++ xhci.h (local)
@@ -438,6 +438,8 @@
/* configure message */
struct usb_bus_msg sc_config_msg[2];
+ struct usb_callout sc_callout;
+
union xhci_hub_desc sc_hub_desc;
struct cv sc_cmd_cv;
=== xhci_pci.c
==================================================================
--- xhci_pci.c (revision 251258)
+++ xhci_pci.c (local)
@@ -132,6 +132,16 @@
}
}
+static void
+xhci_timer(void *_sc)
+{
+ struct xhci_softc *sc = _sc;
+ USB_BUS_UNLOCK(&sc->sc_bus);
+ xhci_interrupt(sc);
+ USB_BUS_LOCK(&sc->sc_bus);
+ usb_callout_reset(&sc->sc_callout, 1, (void *)&xhci_timer, sc);
+}
+
static int
xhci_pci_attach(device_t self)
{
@@ -175,6 +185,12 @@
sprintf(sc->sc_vendor, "0x%04x", pci_get_vendor(self));
+ usb_callout_init_mtx(&sc->sc_callout, &sc->sc_bus.bus_mtx, 0);
+
+ USB_BUS_LOCK(&sc->sc_bus);
+ xhci_timer(sc);
+ USB_BUS_UNLOCK(&sc->sc_bus);
+
#if (__FreeBSD_version >= 700031)
err = bus_setup_intr(self, sc->sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
NULL, (driver_intr_t *)xhci_interrupt, sc, &sc->sc_intr_hdl);
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