Re: [Linux-uvc-devel] Quickcam Pro 5000

[Mikael N. <mi...@na...>]

I see this too, with a QC Fusion on  Dell Inspiron 8200. Is it possible
that it has to do with my USB 1.1-only port?

/Mikael
====================================================0
uvcview verion 0.1.3
Video driver: x11
A window manager is available
video /dev/video0
X Error of failed request:  BadMatch (invalid parameter attributes)
  Major opcode of failed request:  142 (XVideo)
  Minor opcode of failed request:  19 ()
  Serial number of failed request:  23
  Current serial number in output stream:  24


usb 1-1: new full speed USB device using uhci_hcd and address 7
7:3:1: cannot set freq 0 to ep 0x86
7:3:2: cannot set freq 0 to ep 0x86
usbvideo: Probing device 1
Format MJPEG found
usbvideo: Found a Status endpoint (addr 87).
usbvideo: Found UVC device (1.00)
usbvideo: Scanning UVC chain: OT 5 <- Unit 4 <- Unit 3 <- Unit 2 <- IT 1
usbvideo: Found a valid video chain (1 -> 5).
usbvideo: UVC device initialized.
usbcore: registered new driver usbvideo
USB Video Class driver (v0.1.0)
usbvideo: uvc_v4l2_open
usbvideo: VIDIOC_QUERYCAP
usbvideo: VIDIOC_S_FMT
usbvideo: Trying format 0x47504a4d (MJPG): 320x240.
usbvideo: VIDIOC_REQBUFS
usbvideo: VIDIOC_QUERYBUF
usbvideo: uvc_v4l2_mmap
usbvideo: VIDIOC_QUERYBUF
usbvideo: uvc_v4l2_mmap
usbvideo: VIDIOC_QUERYBUF
usbvideo: uvc_v4l2_mmap
usbvideo: VIDIOC_QUERYBUF
usbvideo: uvc_v4l2_mmap
usbvideo: VIDIOC_STREAMON
usbvideo: > uvc_v4l2_release
usbvideo: < uvc_v4l2_release
=======================================================


tor 2006-01-19 klockan 15:45 +0000 skrev Steven Coutts:
> On Thursday 19 January 2006 15:36, Steven Coutts wrote:
> > Ok, compiled the software and loaded the kernel module, everything seems to
> > be recognised -:
> >
> > usb 1-6: USB disconnect, address 5
> > usb 1-1: new high speed USB device using ehci_hcd and address 6
> > usbvideo: Probing device 1
> > Format MJPEG found
> > Format Uncompressed found
> > usbvideo: Found a Status endpoint (addr 87).
> > usbvideo: Found UVC device (1.00)
> > usbvideo: Scanning UVC chain: OT 5 <- Unit 4 <- Unit 3 <- Unit 2 <- IT 1
> > usbvideo: Found a valid video chain (1 -> 5).
> > usbvideo: UVC device initialized.
> >
> > However, uvcview doesn't work -:
> > uvcview verion 0.1.3
> > Video driver: x11
> > A window manager is available
> > video /dev/video0
> > Unable to set format: 5.
> >  Init v4L2 failed !! exit fatal
> >
> >
> > Any ideas?
> 
> If I unplug the device then plug back in and try again I get a black video 
> windows breifly then it fails -:
> 
> uvcview verion 0.1.3
> Video driver: x11
> A window manager is available
> video /dev/video0
> X Error of failed request:  BadMatch (invalid parameter attributes)
>   Major opcode of failed request:  141 (XVideo)
>   Minor opcode of failed request:  19 ()
>   Serial number of failed request:  23
>   Current serial number in output stream:  24
> 
> Regards
> 
-- 
Plus ça change, plus c'est la même chose