Hello,
Thanks for that; I'll ask on the linux usb group too. If I
get anything of interest I'll report back here.
Cheers,
Neil
On Fri, Nov 19, 2010 at 4:09 PM, Paulo Assis <pj.as...@gmail.com> wrote:
> Actually this section is different:
>
> [ 541.295541] xhci_hcd 0000:03:00.0: WARN: short transfer on control ep
> [ 541.298560] xhci_hcd 0000:03:00.0: WARN: short transfer on control ep
> [ 541.299468] usb 17-3: ep 0x87 - rounding interval to 128 microframes
>
> There was already some reports on linux-usb for similar issues with
> usb3 and uvc:
>
> http://www.spinics.net/lists/linux-usb/msg38205.html
>
> Best Regards,
> Paulo
>
>
> 2010/11/19 Neil Benn <neil.b...@gmail.com>:
>> Hello,
>>
>> Here is more output; we diffed the files and they seem the
>> same however.
>>
>> Cheers,
>>
>> Neil
>>
>> On Fri, Nov 19, 2010 at 3:32 PM, Neil Benn <neil.b...@gmail.com> wrote:
>>> Hello,
>>>
>>> Here is the output:
>>>
>>> USB2 port dmesg (trace 65535)
>>>
>>> [ 368.667150] usb 1-4: new high speed USB device using ehci_hcd and
>>> address 5
>>> [ 369.015422] uvcvideo: Probing generic UVC device 4
>>> [ 369.015435] uvcvideo: Found format YUV 4:2:2 (YUYV).
>>> [ 369.015440] uvcvideo: - 640x480 (30.0 fps)
>>> [ 369.015444] uvcvideo: - 160x120 (30.0 fps)
>>> [ 369.015447] uvcvideo: - 176x144 (30.0 fps)
>>> [ 369.015450] uvcvideo: - 320x176 (30.0 fps)
>>> [ 369.015454] uvcvideo: - 320x240 (30.0 fps)
>>> [ 369.015457] uvcvideo: - 352x288 (30.0 fps)
>>> [ 369.015461] uvcvideo: - 432x240 (30.0 fps)
>>> [ 369.015464] uvcvideo: - 544x288 (30.0 fps)
>>> [ 369.015468] uvcvideo: - 640x360 (30.0 fps)
>>> [ 369.015471] uvcvideo: - 752x416 (25.0 fps)
>>> [ 369.015475] uvcvideo: - 800x448 (25.0 fps)
>>> [ 369.015479] uvcvideo: - 800x600 (20.0 fps)
>>> [ 369.015482] uvcvideo: - 864x480 (20.0 fps)
>>> [ 369.015486] uvcvideo: - 960x544 (15.0 fps)
>>> [ 369.015490] uvcvideo: - 960x720 (10.0 fps)
>>> [ 369.015493] uvcvideo: - 1024x576 (10.0 fps)
>>> [ 369.015497] uvcvideo: - 1184x656 (10.0 fps)
>>> [ 369.015501] uvcvideo: - 1280x720 (10.0 fps)
>>> [ 369.015504] uvcvideo: - 1280x960 (5.0 fps)
>>> [ 369.015508] uvcvideo: Found format MJPEG.
>>> [ 369.015511] uvcvideo: - 640x480 (30.0 fps)
>>> [ 369.015515] uvcvideo: - 160x120 (30.0 fps)
>>> [ 369.015519] uvcvideo: - 176x144 (30.0 fps)
>>> [ 369.015522] uvcvideo: - 320x176 (30.0 fps)
>>> [ 369.015526] uvcvideo: - 320x240 (30.0 fps)
>>> [ 369.015530] uvcvideo: - 352x288 (30.0 fps)
>>> [ 369.015533] uvcvideo: - 432x240 (30.0 fps)
>>> [ 369.015536] uvcvideo: - 544x288 (30.0 fps)
>>> [ 369.015540] uvcvideo: - 640x360 (30.0 fps)
>>> [ 369.015543] uvcvideo: - 752x416 (30.0 fps)
>>> [ 369.015546] uvcvideo: - 800x448 (30.0 fps)
>>> [ 369.015549] uvcvideo: - 800x600 (30.0 fps)
>>> [ 369.015553] uvcvideo: - 864x480 (30.0 fps)
>>> [ 369.015556] uvcvideo: - 960x544 (30.0 fps)
>>> [ 369.015559] uvcvideo: - 960x720 (30.0 fps)
>>> [ 369.015563] uvcvideo: - 1024x576 (30.0 fps)
>>> [ 369.015567] uvcvideo: - 1184x656 (30.0 fps)
>>> [ 369.015570] uvcvideo: - 1280x720 (30.0 fps)
>>> [ 369.015573] uvcvideo: - 1280x960 (30.0 fps)
>>> [ 369.015582] uvcvideo: Found a Status endpoint (addr 87).
>>> [ 369.015586] uvcvideo: Found UVC 1.00 device <unnamed> (046d:0825)
>>> [ 369.015595] uvcvideo: Added control
>>> 00000000-0000-0000-0000-000000000101/2 to device 4 entity 2
>>> [ 369.015600] uvcvideo: Added control
>>> 00000000-0000-0000-0000-000000000101/3 to device 4 entity 2
>>> [ 369.015605] uvcvideo: Added control
>>> 00000000-0000-0000-0000-000000000101/7 to device 4 entity 2
>>> [ 369.015610] uvcvideo: Added control
>>> 00000000-0000-0000-0000-000000000101/8 to device 4 entity 2
>>> [ 369.015615] uvcvideo: Added control
>>> 00000000-0000-0000-0000-000000000101/10 to device 4 entity 2
>>> [ 369.015620] uvcvideo: Added control
>>> 00000000-0000-0000-0000-000000000101/1 to device 4 entity 2
>>> [ 369.015625] uvcvideo: Added control
>>> 00000000-0000-0000-0000-000000000101/4 to device 4 entity 2
>>> [ 369.015630] uvcvideo: Added control
>>> 00000000-0000-0000-0000-000000000101/5 to device 4 entity 2
>>> [ 369.015635] uvcvideo: Added control
>>> 00000000-0000-0000-0000-000000000101/11 to device 4 entity 2
>>> [ 369.015643] uvcvideo: Added control
>>> 00000000-0000-0000-0000-000000000001/2 to device 4 entity 1
>>> [ 369.015648] uvcvideo: Added control
>>> 00000000-0000-0000-0000-000000000001/3 to device 4 entity 1
>>> [ 369.015653] uvcvideo: Added control
>>> 00000000-0000-0000-0000-000000000001/4 to device 4 entity 1
>>> [ 369.015662] uvcvideo: Scanning UVC chain: OT 5 <- XU 4 (-> XU 6 XU
>>> 7) <- PU 2 (-> XU 3) <- IT 1
>>> [ 369.015678] uvcvideo: Found a valid video chain (1 -> 5).
>>> [ 369.112136] input: UVC Camera (046d:0825) as
>>> /devices/pci0000:00/0000:00:1a.7/usb1/1-4/1-4:1.0/input/input7
>>> [ 369.112203] uvcvideo: UVC device initialized.
>>> [ 369.114019] uvcvideo: uvc_v4l2_open
>>> [ 369.114047] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCAP)
>>> [ 369.114104] uvcvideo: uvc_v4l2_release
>>> [ 370.107636] 5:3:1: cannot set freq 16000 to ep 0x86
>>> [ 371.104246] 5:3:2: cannot set freq 24000 to ep 0x86
>>> [ 372.101253] 5:3:3: cannot set freq 32000 to ep 0x86
>>> [ 373.098400] 5:3:4: cannot set freq 48000 to ep 0x86
>>>
>>> USB2 port - entry in /var/log/kernel.log
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 820.926845] usb 1-4: new high
>>> speed USB device using ehci_hcd and address 6
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275363] uvcvideo: Probing
>>> generic UVC device 4
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275376] uvcvideo: Found
>>> format YUV 4:2:2 (YUYV).
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275380] uvcvideo: -
>>> 640x480 (30.0 fps)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275384] uvcvideo: -
>>> 160x120 (30.0 fps)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275388] uvcvideo: -
>>> 176x144 (30.0 fps)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275391] uvcvideo: -
>>> 320x176 (30.0 fps)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275395] uvcvideo: -
>>> 320x240 (30.0 fps)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275399] uvcvideo: -
>>> 352x288 (30.0 fps)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275402] uvcvideo: -
>>> 432x240 (30.0 fps)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275405] uvcvideo: -
>>> 544x288 (30.0 fps)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275409] uvcvideo: -
>>> 640x360 (30.0 fps)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275412] uvcvideo: -
>>> 752x416 (25.0 fps)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275415] uvcvideo: -
>>> 800x448 (25.0 fps)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275417] uvcvideo: -
>>> 800x600 (20.0 fps)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275419] uvcvideo: -
>>> 864x480 (20.0 fps)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275421] uvcvideo: -
>>> 960x544 (15.0 fps)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275424] uvcvideo: -
>>> 960x720 (10.0 fps)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275426] uvcvideo: -
>>> 1024x576 (10.0 fps)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275428] uvcvideo: -
>>> 1184x656 (10.0 fps)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275431] uvcvideo: -
>>> 1280x720 (10.0 fps)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275433] uvcvideo: -
>>> 1280x960 (5.0 fps)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275436] uvcvideo: Found
>>> format MJPEG.
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275438] uvcvideo: -
>>> 640x480 (30.0 fps)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275440] uvcvideo: -
>>> 160x120 (30.0 fps)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275443] uvcvideo: -
>>> 176x144 (30.0 fps)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275445] uvcvideo: -
>>> 320x176 (30.0 fps)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275447] uvcvideo: -
>>> 320x240 (30.0 fps)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275450] uvcvideo: -
>>> 352x288 (30.0 fps)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275452] uvcvideo: -
>>> 432x240 (30.0 fps)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275454] uvcvideo: -
>>> 544x288 (30.0 fps)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275457] uvcvideo: -
>>> 640x360 (30.0 fps)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275459] uvcvideo: -
>>> 752x416 (30.0 fps)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275461] uvcvideo: -
>>> 800x448 (30.0 fps)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275464] uvcvideo: -
>>> 800x600 (30.0 fps)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275466] uvcvideo: -
>>> 864x480 (30.0 fps)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275468] uvcvideo: -
>>> 960x544 (30.0 fps)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275470] uvcvideo: -
>>> 960x720 (30.0 fps)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275473] uvcvideo: -
>>> 1024x576 (30.0 fps)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275475] uvcvideo: -
>>> 1184x656 (30.0 fps)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275477] uvcvideo: -
>>> 1280x720 (30.0 fps)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275480] uvcvideo: -
>>> 1280x960 (30.0 fps)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275487] uvcvideo: Found a
>>> Status endpoint (addr 87).
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275490] uvcvideo: Found
>>> UVC 1.00 device <unnamed> (046d:0825)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275497] uvcvideo: Added
>>> control 00000000-0000-0000-0000-000000000101/2 to device 4 entity 2
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275501] uvcvideo: Added
>>> control 00000000-0000-0000-0000-000000000101/3 to device 4 entity 2
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275505] uvcvideo: Added
>>> control 00000000-0000-0000-0000-000000000101/7 to device 4 entity 2
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275508] uvcvideo: Added
>>> control 00000000-0000-0000-0000-000000000101/8 to device 4 entity 2
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275512] uvcvideo: Added
>>> control 00000000-0000-0000-0000-000000000101/10 to device 4 entity 2
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275516] uvcvideo: Added
>>> control 00000000-0000-0000-0000-000000000101/1 to device 4 entity 2
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275519] uvcvideo: Added
>>> control 00000000-0000-0000-0000-000000000101/4 to device 4 entity 2
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275523] uvcvideo: Added
>>> control 00000000-0000-0000-0000-000000000101/5 to device 4 entity 2
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275527] uvcvideo: Added
>>> control 00000000-0000-0000-0000-000000000101/11 to device 4 entity 2
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275532] uvcvideo: Added
>>> control 00000000-0000-0000-0000-000000000001/2 to device 4 entity 1
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275535] uvcvideo: Added
>>> control 00000000-0000-0000-0000-000000000001/3 to device 4 entity 1
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275539] uvcvideo: Added
>>> control 00000000-0000-0000-0000-000000000001/4 to device 4 entity 1
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275545] uvcvideo:
>>> Scanning UVC chain: OT 5 <- XU 4 (-> XU 6 XU 7) <- PU 2 (-> XU 3) <-
>>> IT 1
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.275557] uvcvideo: Found a
>>> valid video chain (1 -> 5).
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.371932] input: UVC Camera
>>> (046d:0825) as
>>> /devices/pci0000:00/0000:00:1a.7/usb1/1-4/1-4:1.0/input/input10
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.371982] uvcvideo: UVC
>>> device initialized.
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.374485] uvcvideo: uvc_v4l2_open
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.374513] uvcvideo:
>>> uvc_v4l2_ioctl(VIDIOC_QUERYCAP)
>>> Nov 19 15:27:27 tim-H55N-USB3 kernel: [ 821.374569] uvcvideo:
>>> uvc_v4l2_release
>>> Nov 19 15:27:28 tim-H55N-USB3 kernel: [ 822.371194] 6:3:1: cannot get
>>> freq at ep 0x86
>>>
>>>
>>>
>>>
>>> USB3 port dmesg (trace 65535)
>>> [ 541.061712] usb 17-3: new high speed USB device using xhci_hcd and
>>> address 0
>>> [ 541.295541] xhci_hcd 0000:03:00.0: WARN: short transfer on control ep
>>> [ 541.298560] xhci_hcd 0000:03:00.0: WARN: short transfer on control ep
>>> [ 541.299468] usb 17-3: ep 0x87 - rounding interval to 128 microframes
>>> [ 541.300072] uvcvideo: Probing generic UVC device 3
>>> [ 541.300085] uvcvideo: Found format YUV 4:2:2 (YUYV).
>>> [ 541.300089] uvcvideo: - 640x480 (30.0 fps)
>>> [ 541.300093] uvcvideo: - 160x120 (30.0 fps)
>>> [ 541.300097] uvcvideo: - 176x144 (30.0 fps)
>>> [ 541.300100] uvcvideo: - 320x176 (30.0 fps)
>>> [ 541.300103] uvcvideo: - 320x240 (30.0 fps)
>>> [ 541.300107] uvcvideo: - 352x288 (30.0 fps)
>>> [ 541.300110] uvcvideo: - 432x240 (30.0 fps)
>>> [ 541.300113] uvcvideo: - 544x288 (30.0 fps)
>>> [ 541.300117] uvcvideo: - 640x360 (30.0 fps)
>>> [ 541.300119] uvcvideo: - 752x416 (25.0 fps)
>>> [ 541.300121] uvcvideo: - 800x448 (25.0 fps)
>>> [ 541.300124] uvcvideo: - 800x600 (20.0 fps)
>>> [ 541.300126] uvcvideo: - 864x480 (20.0 fps)
>>> [ 541.300128] uvcvideo: - 960x544 (15.0 fps)
>>> [ 541.300131] uvcvideo: - 960x720 (10.0 fps)
>>> [ 541.300133] uvcvideo: - 1024x576 (10.0 fps)
>>> [ 541.300135] uvcvideo: - 1184x656 (10.0 fps)
>>> [ 541.300138] uvcvideo: - 1280x720 (10.0 fps)
>>> [ 541.300140] uvcvideo: - 1280x960 (5.0 fps)
>>> [ 541.300142] uvcvideo: Found format MJPEG.
>>> [ 541.300145] uvcvideo: - 640x480 (30.0 fps)
>>> [ 541.300147] uvcvideo: - 160x120 (30.0 fps)
>>> [ 541.300149] uvcvideo: - 176x144 (30.0 fps)
>>> [ 541.300152] uvcvideo: - 320x176 (30.0 fps)
>>> [ 541.300154] uvcvideo: - 320x240 (30.0 fps)
>>> [ 541.300156] uvcvideo: - 352x288 (30.0 fps)
>>> [ 541.300159] uvcvideo: - 432x240 (30.0 fps)
>>> [ 541.300161] uvcvideo: - 544x288 (30.0 fps)
>>> [ 541.300163] uvcvideo: - 640x360 (30.0 fps)
>>> [ 541.300165] uvcvideo: - 752x416 (30.0 fps)
>>> [ 541.300168] uvcvideo: - 800x448 (30.0 fps)
>>> [ 541.300170] uvcvideo: - 800x600 (30.0 fps)
>>> [ 541.300172] uvcvideo: - 864x480 (30.0 fps)
>>> [ 541.300174] uvcvideo: - 960x544 (30.0 fps)
>>> [ 541.300176] uvcvideo: - 960x720 (30.0 fps)
>>> [ 541.300179] uvcvideo: - 1024x576 (30.0 fps)
>>> [ 541.300181] uvcvideo: - 1184x656 (30.0 fps)
>>> [ 541.300183] uvcvideo: - 1280x720 (30.0 fps)
>>> [ 541.300186] uvcvideo: - 1280x960 (30.0 fps)
>>> [ 541.300193] uvcvideo: Found a Status endpoint (addr 87).
>>> [ 541.300196] uvcvideo: Found UVC 1.00 device <unnamed> (046d:0825)
>>> [ 541.300204] uvcvideo: Added control
>>> 00000000-0000-0000-0000-000000000101/2 to device 3 entity 2
>>> [ 541.300208] uvcvideo: Added control
>>> 00000000-0000-0000-0000-000000000101/3 to device 3 entity 2
>>> [ 541.300212] uvcvideo: Added control
>>> 00000000-0000-0000-0000-000000000101/7 to device 3 entity 2
>>> [ 541.300215] uvcvideo: Added control
>>> 00000000-0000-0000-0000-000000000101/8 to device 3 entity 2
>>> [ 541.300219] uvcvideo: Added control
>>> 00000000-0000-0000-0000-000000000101/10 to device 3 entity 2
>>> [ 541.300223] uvcvideo: Added control
>>> 00000000-0000-0000-0000-000000000101/1 to device 3 entity 2
>>> [ 541.300226] uvcvideo: Added control
>>> 00000000-0000-0000-0000-000000000101/4 to device 3 entity 2
>>> [ 541.300230] uvcvideo: Added control
>>> 00000000-0000-0000-0000-000000000101/5 to device 3 entity 2
>>> [ 541.300233] uvcvideo: Added control
>>> 00000000-0000-0000-0000-000000000101/11 to device 3 entity 2
>>> [ 541.300239] uvcvideo: Added control
>>> 00000000-0000-0000-0000-000000000001/2 to device 3 entity 1
>>> [ 541.300242] uvcvideo: Added control
>>> 00000000-0000-0000-0000-000000000001/3 to device 3 entity 1
>>> [ 541.300246] uvcvideo: Added control
>>> 00000000-0000-0000-0000-000000000001/4 to device 3 entity 1
>>> [ 541.300253] uvcvideo: Scanning UVC chain: OT 5 <- XU 4 (-> XU 6 XU
>>> 7) <- PU 2 (-> XU 3) <- IT 1
>>> [ 541.300265] uvcvideo: Found a valid video chain (1 -> 5).
>>> [ 541.397571] input: UVC Camera (046d:0825) as
>>> /devices/pci0000:00/0000:00:1c.3/0000:03:00.0/usb17/17-3/17-3:1.0/input/input8
>>> [ 541.397621] uvcvideo: UVC device initialized.
>>> [ 541.397766] usb 17-3: ep 0x86 - rounding interval to 8 microframes
>>> [ 541.400132] uvcvideo: uvc_v4l2_open
>>> [ 541.400155] uvcvideo: uvc_v4l2_ioctl(VIDIOC_QUERYCAP)
>>> [ 541.400215] uvcvideo: uvc_v4l2_release
>>> [ 542.394430] 2:3:1: cannot set freq 16000 to ep 0x86
>>> [ 542.394448] usb 17-3: ep 0x86 - rounding interval to 8 microframes
>>> [ 542.533422] usb 17-3: ep 0x86 - rounding interval to 8 microframes
>>> [ 542.538516] usb 17-3: ep 0x86 - rounding interval to 8 microframes
>>>
>>> USB3 port - entry in /var/log/kernel.log
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.092996] usb 17-3: new
>>> high speed USB device using xhci_hcd and address 0
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.327134] xhci_hcd
>>> 0000:03:00.0: WARN: short transfer on control ep
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.330122] xhci_hcd
>>> 0000:03:00.0: WARN: short transfer on control ep
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331056] usb 17-3: ep 0x87
>>> - rounding interval to 128 microframes
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331683] uvcvideo: Probing
>>> generic UVC device 3
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331693] uvcvideo: Found
>>> format YUV 4:2:2 (YUYV).
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331697] uvcvideo: -
>>> 640x480 (30.0 fps)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331700] uvcvideo: -
>>> 160x120 (30.0 fps)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331703] uvcvideo: -
>>> 176x144 (30.0 fps)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331706] uvcvideo: -
>>> 320x176 (30.0 fps)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331708] uvcvideo: -
>>> 320x240 (30.0 fps)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331711] uvcvideo: -
>>> 352x288 (30.0 fps)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331714] uvcvideo: -
>>> 432x240 (30.0 fps)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331717] uvcvideo: -
>>> 544x288 (30.0 fps)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331720] uvcvideo: -
>>> 640x360 (30.0 fps)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331722] uvcvideo: -
>>> 752x416 (25.0 fps)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331725] uvcvideo: -
>>> 800x448 (25.0 fps)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331728] uvcvideo: -
>>> 800x600 (20.0 fps)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331731] uvcvideo: -
>>> 864x480 (20.0 fps)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331734] uvcvideo: -
>>> 960x544 (15.0 fps)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331737] uvcvideo: -
>>> 960x720 (10.0 fps)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331739] uvcvideo: -
>>> 1024x576 (10.0 fps)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331742] uvcvideo: -
>>> 1184x656 (10.0 fps)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331745] uvcvideo: -
>>> 1280x720 (10.0 fps)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331748] uvcvideo: -
>>> 1280x960 (5.0 fps)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331751] uvcvideo: Found
>>> format MJPEG.
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331754] uvcvideo: -
>>> 640x480 (30.0 fps)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331757] uvcvideo: -
>>> 160x120 (30.0 fps)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331759] uvcvideo: -
>>> 176x144 (30.0 fps)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331762] uvcvideo: -
>>> 320x176 (30.0 fps)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331765] uvcvideo: -
>>> 320x240 (30.0 fps)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331768] uvcvideo: -
>>> 352x288 (30.0 fps)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331771] uvcvideo: -
>>> 432x240 (30.0 fps)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331774] uvcvideo: -
>>> 544x288 (30.0 fps)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331778] uvcvideo: -
>>> 640x360 (30.0 fps)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331781] uvcvideo: -
>>> 752x416 (30.0 fps)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331784] uvcvideo: -
>>> 800x448 (30.0 fps)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331787] uvcvideo: -
>>> 800x600 (30.0 fps)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331790] uvcvideo: -
>>> 864x480 (30.0 fps)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331793] uvcvideo: -
>>> 960x544 (30.0 fps)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331795] uvcvideo: -
>>> 960x720 (30.0 fps)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331798] uvcvideo: -
>>> 1024x576 (30.0 fps)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331801] uvcvideo: -
>>> 1184x656 (30.0 fps)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331804] uvcvideo: -
>>> 1280x720 (30.0 fps)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331807] uvcvideo: -
>>> 1280x960 (30.0 fps)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331816] uvcvideo: Found a
>>> Status endpoint (addr 87).
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331820] uvcvideo: Found
>>> UVC 1.00 device <unnamed> (046d:0825)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331829] uvcvideo: Added
>>> control 00000000-0000-0000-0000-000000000101/2 to device 3 entity 2
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331834] uvcvideo: Added
>>> control 00000000-0000-0000-0000-000000000101/3 to device 3 entity 2
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331838] uvcvideo: Added
>>> control 00000000-0000-0000-0000-000000000101/7 to device 3 entity 2
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331843] uvcvideo: Added
>>> control 00000000-0000-0000-0000-000000000101/8 to device 3 entity 2
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331847] uvcvideo: Added
>>> control 00000000-0000-0000-0000-000000000101/10 to device 3 entity 2
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331852] uvcvideo: Added
>>> control 00000000-0000-0000-0000-000000000101/1 to device 3 entity 2
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331856] uvcvideo: Added
>>> control 00000000-0000-0000-0000-000000000101/4 to device 3 entity 2
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331860] uvcvideo: Added
>>> control 00000000-0000-0000-0000-000000000101/5 to device 3 entity 2
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331865] uvcvideo: Added
>>> control 00000000-0000-0000-0000-000000000101/11 to device 3 entity 2
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331871] uvcvideo: Added
>>> control 00000000-0000-0000-0000-000000000001/2 to device 3 entity 1
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331875] uvcvideo: Added
>>> control 00000000-0000-0000-0000-000000000001/3 to device 3 entity 1
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331880] uvcvideo: Added
>>> control 00000000-0000-0000-0000-000000000001/4 to device 3 entity 1
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331888] uvcvideo:
>>> Scanning UVC chain: OT 5 <- XU 4 (-> XU 6 XU 7) <- PU 2 (-> XU 3) <-
>>> IT 1
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.331902] uvcvideo: Found a
>>> valid video chain (1 -> 5).
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.429658] input: UVC Camera
>>> (046d:0825) as
>>> /devices/pci0000:00/0000:00:1c.3/0000:03:00.0/usb17/17-3/17-3:1.0/input/input9
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.429709] uvcvideo: UVC
>>> device initialized.
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.429855] usb 17-3: ep 0x86
>>> - rounding interval to 8 microframes
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.432093] uvcvideo: uvc_v4l2_open
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.432116] uvcvideo:
>>> uvc_v4l2_ioctl(VIDIOC_QUERYCAP)
>>> Nov 19 15:25:13 tim-H55N-USB3 kernel: [ 687.432177] uvcvideo:
>>> uvc_v4l2_release
>>>
>>> I hope this helps?
>>>
>>> Cheers,
>>>
>>> Neil
>>>
>>> On Fri, Nov 19, 2010 at 3:04 PM, Laurent Pinchart
>>> <laurent.pinch...@ideasonboard.com> wrote:
>>>> On Friday 19 November 2010 15:53:24 Paulo Assis wrote:
>>>>> Hi,
>>>>>
>>>>> 2010/11/19 Neil Benn <neil.b...@gmail.com>:
>>>>> > <snip>
>>>>> >
>>>>> >> This as been reported before:
>>>>> >> http://www.mail-archive.com/linux-me...@vger.kernel.org/msg19535.html
>>>>> >>
>>>>> >> and it should be fixed in the latest libv4l, but older versions will
>>>>> >> still have a 16 frame size limit.
>>>>> >
>>>>> > However this is just a warning though? From what I understand, the
>>>>> > camera will still operate - is that true?
>>>>>
>>>>> Yes, I had the same warning with older libv4l versions and everything
>>>>> worked fine.
>>>>
>>>> What surprises me is that the warning only appears when the camera is
>>>> plugged
>>>> in a USB 3.0 port.
>>>>
>>>> Neil, could you please send me the output of 'lsusb -v -d 046d:0825' for
>>>> both
>>>> the USB 2.0 and USB 3.0 ports ?
>>>>
>>>> --
>>>> Regards,
>>>>
>>>> Laurent Pinchart
>>>>
>>>
>>
>
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