From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935453Ab0CODFy (ORCPT ); Sun, 14 Mar 2010 23:05:54 -0400 Received: from tx2ehsobe002.messaging.microsoft.com ([65.55.88.12]:40720 "EHLO TX2EHSOBE004.bigfish.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S935277Ab0CODFw convert rfc822-to-8bit (ORCPT ); Sun, 14 Mar 2010 23:05:52 -0400 X-SpamScore: -34 X-BigFish: VPS-34(z21eWz1432R98dN936eM148cM9371Pzz1202hzz3198r327alz32i367h2a8h6bh61h) X-Spam-TCS-SCL: 0:0 X-FB-SS: 5, X-WSS-ID: 0KZAZ9I-02-3WG-02 X-M-MSG: Subject: Re: [2.6.34-rc1] Problem using USB 1.1 device on USB 3.0 xhci host controller From: Libin To: Sander Eikelenboom CC: Sarah Sharp , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, andiry.xu@amd.com In-Reply-To: <1622196186.20100313120113@eikelenboom.it> References: <1751702501.20100312174345@eikelenboom.it> <20100312232538.GA13353@xanatos> <1622196186.20100313120113@eikelenboom.it> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT Date: Mon, 15 Mar 2010 11:05:39 +0800 Message-ID: <1268622339.2105.11.camel@younglee-laptop> MIME-Version: 1.0 X-Mailer: Evolution 2.28.1 X-OriginalArrivalTime: 15 Mar 2010 03:05:43.0563 (UTC) FILETIME=[66AA85B0:01CAC3EC] X-Reverse-DNS: ausb3extmailp02.amd.com Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 2010-03-13 at 12:01 +0100, Sander Eikelenboom wrote: > The patches applied cleanly, but the device doesn't work yet. > complete dmesg and lsusb -vvv attached. Thanks for reporting the issue. We will look into the issue. From the description, it seems the initialization has passed, right? What's the symptom? Does the system hang? > > Highlights from dmesg: > > [ 1.738043] usb 9-3: skipped 4 descriptors after interface > [ 1.738045] usb 9-3: skipped 2 descriptors after interface > [ 1.738048] usb 9-3: skipped 1 descriptor after endpoint > [ 1.738050] usb 9-3: skipped 2 descriptors after interface > [ 1.738053] usb 9-3: skipped 1 descriptor after endpoint > [ 1.738055] usb 9-3: skipped 2 descriptors after interface > [ 1.738057] usb 9-3: skipped 1 descriptor after endpoint > [ 1.738059] usb 9-3: skipped 2 descriptors after interface > [ 1.738061] usb 9-3: skipped 1 descriptor after endpoint > [ 1.741021] xhci_hcd 0000:03:00.0: WARN: short transfer on control ep > [ 1.742039] usb 9-3: default language 0x0409 > [ 1.765016] xhci_hcd 0000:03:00.0: WARN: short transfer on control ep > [ 1.766036] usb 9-3: udev 2, busnum 9, minor = 1025 > [ 1.766038] usb 9-3: New USB device found, idVendor=0471, idProduct=0311 > [ 1.766244] usb 9-3: New USB device strings: Mfr=0, Product=0, SerialNumber=1 > [ 1.766448] usb 9-3: SerialNumber: 01680000EA164101 > [ 1.766811] usb 9-3: usb_probe_device > [ 1.766813] usb 9-3: configuration #1 chosen from 1 choice > [ 1.767184] usb 9-3: Successful Endpoint Configure command > [ 1.769035] usb 9-3: adding 9-3:1.0 (config #1, interface 0) > [ 1.769151] usb 9-3: adding 9-3:1.1 (config #1, interface 1) > [ 1.769235] usb 9-3: adding 9-3:1.2 (config #1, interface 2) > > [ 4.483174] pwc: Philips PCVC740K (ToUCam Pro)/PCVC840 (ToUCam II) USB webcam detected. > [ 4.515833] xhci_hcd 0000:03:00.0: WARN: short transfer on control ep > [ 4.516894] pwc: Registered as video0. > [ 4.518834] xhci_hcd 0000:03:00.0: WARN: Stalled endpoint > [ 4.520834] xhci_hcd 0000:03:00.0: WARN: Stalled endpoint > [ 4.521051] Philips webcam 9-3:1.1: usb_probe_interface > [ 4.521053] Philips webcam 9-3:1.1: usb_probe_interface - got id > [ 4.521058] Philips webcam 9-3:1.2: usb_probe_interface > [ 4.521060] Philips webcam 9-3:1.2: usb_probe_interface - got id > [ 4.521073] usbcore: registered new interface driver Philips webcam > > > And when trying to actually grab pictures from the device: > > [ 12.957593] usb 9-3: Successful Endpoint Configure command > [ 12.967542] usb 9-3: ep 0x85 - urb len = 0x2580 (9600), addr = 0x7ac74000, num_trbs = 10 > [ 12.967553] usb 9-3: ep 0x85 - urb len = 0x2580 (9600), addr = 0x7af8c000, num_trbs = 10 > [ 12.985500] xhci_hcd 0000:03:00.0: WARN Event TRB for slot 1 ep 10 with no TDs queued? > [ 20.946116] eth1: no IPv6 routers present > [ 40.029279] usb 9-3: Successful Endpoint Configure command > [ 40.039186] usb 9-3: ep 0x85 - urb len = 0x2580 (9600), addr = 0x7a814000, num_trbs = 10 > [ 40.039198] usb 9-3: ep 0x85 - urb len = 0x2580 (9600), addr = 0x7b734000, num_trbs = 10 > [ 40.057195] xhci_hcd 0000:03:00.0: WARN Event TRB for slot 1 ep 10 with no TDs queued? > [ 40.216270] usb 9-3: Successful Endpoint Configure command > [ 40.226183] usb 9-3: ep 0x85 - urb len = 0x2580 (9600), addr = 0x7a9c0000, num_trbs = 10 > [ 40.226193] usb 9-3: ep 0x85 - urb len = 0x2580 (9600), addr = 0x7a98c000, num_trbs = 10 > [ 40.245183] xhci_hcd 0000:03:00.0: WARN Event TRB for slot 1 ep 10 with no TDs queued? > [ 40.399261] usb 9-3: Successful Endpoint Configure command > [ 40.408210] usb 9-3: ep 0x85 - urb len = 0x2580 (9600), addr = 0x7a9c0000, num_trbs = 10 > [ 40.408220] usb 9-3: ep 0x85 - urb len = 0x2580 (9600), addr = 0x7a98c000, num_trbs = 10 > [ 47.145805] xhci_hcd 0000:03:00.0: WARN Event TRB for slot 1 ep 10 with no TDs queued? > [ 48.076894] usb 9-3: Successful Endpoint Configure command > [ 48.086805] usb 9-3: ep 0x85 - urb len = 0x2580 (9600), addr = 0x7b180000, num_trbs = 10 > [ 48.086816] usb 9-3: ep 0x85 - urb len = 0x2580 (9600), addr = 0x7b47c000, num_trbs = 10 > [ 48.105803] xhci_hcd 0000:03:00.0: WARN Event TRB for slot 1 ep 10 with no TDs queued? > [ 48.263885] usb 9-3: Successful Endpoint Configure command > [ 48.273796] usb 9-3: ep 0x85 - urb len = 0x2580 (9600), addr = 0x7bba0000, num_trbs = 10 > [ 48.273807] usb 9-3: ep 0x85 - urb len = 0x2580 (9600), addr = 0x7af6c000, num_trbs = 10 > [ 48.292793] xhci_hcd 0000:03:00.0: WARN Event TRB for slot 1 ep 10 with no TDs queued? > [ 48.446875] usb 9-3: Successful Endpoint Configure command > [ 48.456784] usb 9-3: ep 0x85 - urb len = 0x2580 (9600), addr = 0x7bba0000, num_trbs = 10 > [ 48.456794] usb 9-3: ep 0x85 - urb len = 0x2580 (9600), addr = 0x7af6c000, num_trbs = 10 > [ 51.778648] xhci_hcd 0000:03:00.0: WARN Event TRB for slot 1 ep 10 with no TDs queued? > > > > > Saturday, March 13, 2010, 12:25:38 AM, you wrote: > > > On Fri, Mar 12, 2010 at 05:43:45PM +0100, Sander Eikelenboom wrote: > >> Hi Sarah, > >> > >> I'm trying to use an USB 1.1 device on a USB 3.0 host controller, but it doesn't seem to work (tested with kernel versions up to 2.6.34-rc1): > >> - with lsusb I can only see a usb 3.0 root hub (with a USB 2.0 host controller, i'am always seeing the roothubs for lower speeds as well, so maybe this is the problem ?) > >> - with lsusb I can see the usb 1.1 device connected to the USB 3.0 root hub. > >> - the driver from the usb 1.1 device get loaded, but it gives errors, and (it's a webcam) doesn't give video. > >> - the manufacturer claims it should be backwards compatible hardware. > >> > >> - Should this work with the current (expirimental) state of the xhci-hcd driver in linux ? > >> > >> The hardware is (asus U3S6): > >> 03:00.0 USB Controller [0c03]: NEC Corporation Device [1033:0194] (rev 03) (prog-if 30) > >> Subsystem: ASUSTeK Computer Inc. Device [1043:8413] > > > From the log files, it looks like your usb 1.1 device is a webcam; is > > that correct? > > >> [ 5.097306] pwc: Philips webcam module version 10.0.13 loaded. > >> [ 5.097507] pwc: Supports Philips PCA645/646, PCVC675/680/690, PCVC720[40]/730/740/750 & PCVC830/840. > >> [ 5.097859] pwc: Also supports the Askey VC010, various Logitech Quickcams, Samsung MPC-C10 and MPC-C30, > >> [ 5.098215] pwc: the Creative WebCam 5 & Pro Ex, SOTEC Afina Eye and Visionite VCS-UC300 and VCS-UM100. > >> [ 5.098557] pwc: Trace options: 0x0001 > >> [ 5.098576] Philips webcam 9-3:1.0: usb_probe_interface > >> [ 5.098578] Philips webcam 9-3:1.0: usb_probe_interface - got id > > ... > >> [ 13.116489] pwc: isoc_init() submit_urb 0 failed with error -22 > > > Webcams have isochronous endpoints, and the xHCI driver doesn't support > > isochronous transfers yet. There are patches to add isochronous > > support, but they're still under going review. They missed the 2.6.34 > > merge window, so I'm not sure if they'll make it into 2.6.34 or 2.6.35. > > If you want to try them out, the latest versions of the patches are > > here: > > > http://marc.info/?l=linux-usb&m=126838645617885&w=2 > > http://marc.info/?l=linux-usb&m=126838648717923&w=2 > > http://marc.info/?l=linux-usb&m=126838649217932&w=2 > > > Let me know if they work for you. > > > Sarah Sharp