* Big ptoblem with small webcam
@ 2011-03-02 15:57 W.P.
2011-03-02 17:32 ` W.P.
` (2 more replies)
0 siblings, 3 replies; 6+ messages in thread
From: W.P. @ 2011-03-02 15:57 UTC (permalink / raw)
To: linux-media
Hi there,
I just got an Creative VGA (640x480) USB Live Webcam, VF0520.
lsusb (partial):
Bus 003 Device 007: ID 041e:406c Creative Technology, Ltd
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 239 Miscellaneous Device
bDeviceSubClass 2 ?
bDeviceProtocol 1 Interface Association
bMaxPacketSize0 64
idVendor 0x041e Creative Technology, Ltd
idProduct 0x406c
bcdDevice 10.19
iManufacturer 1 Creative Labs
iProduct 3 VF0520 Live! Cam Sync
iSerial 0
bNumConfigurations 1
lsmod | grep vid:
uvcvideo 50184 0
compat_ioctl32 5120 1 uvcvideo
videodev 32000 1 uvcvideo
v4l1_compat 15876 2 uvcvideo,videodev
uname -a (kernel from Fedora 10):
[root@laurent-home ~]# uname -a
Linux laurent-home 2.6.27.5-117.fc10.i686 #1 SMP Tue Nov 18 12:19:59 EST
2008 i686 athlon i386 GNU/Linux
Problem: device nodes are created, but NO video in gmplayer, tvtime
complains: can't open /dev/video0.
Only trace in syslog is:
Mar 2 16:26:56 laurent-home kernel: uvcvideo: Failed to submit URB 0 (-28).
Webcam is connected to VIA USB 2.0 controller through a USB 2.0 hub.
What is strange, two days ago I tried apparently the same (model VFxxxx)
with SUCCESS.
Device seems working in Windoze (Ekiga).
What should I check/ do?
W.P.
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Big ptoblem with small webcam
2011-03-02 15:57 Big ptoblem with small webcam W.P.
@ 2011-03-02 17:32 ` W.P.
2011-03-03 10:14 ` Laurent Pinchart
2011-03-03 10:15 ` Laurent Pinchart
2 siblings, 0 replies; 6+ messages in thread
From: W.P. @ 2011-03-02 17:32 UTC (permalink / raw)
To: linux-media
Użytkownik W.P. napisał:
> Hi there,
> I just got an Creative VGA (640x480) USB Live Webcam, VF0520.
>
> lsusb (partial):
>
> Bus 003 Device 007: ID 041e:406c Creative Technology, Ltd
> Device Descriptor:
> bLength 18
> bDescriptorType 1
> bcdUSB 2.00
> bDeviceClass 239 Miscellaneous Device
> bDeviceSubClass 2 ?
> bDeviceProtocol 1 Interface Association
> bMaxPacketSize0 64
> idVendor 0x041e Creative Technology, Ltd
> idProduct 0x406c
> bcdDevice 10.19
> iManufacturer 1 Creative Labs
> iProduct 3 VF0520 Live! Cam Sync
> iSerial 0
> bNumConfigurations 1
>
> lsmod | grep vid:
> uvcvideo 50184 0
> compat_ioctl32 5120 1 uvcvideo
> videodev 32000 1 uvcvideo
> v4l1_compat 15876 2 uvcvideo,videodev
>
> uname -a (kernel from Fedora 10):
> [root@laurent-home ~]# uname -a
> Linux laurent-home 2.6.27.5-117.fc10.i686 #1 SMP Tue Nov 18 12:19:59 EST
> 2008 i686 athlon i386 GNU/Linux
>
> Problem: device nodes are created, but NO video in gmplayer, tvtime
> complains: can't open /dev/video0.
>
> Only trace in syslog is:
>
> Mar 2 16:26:56 laurent-home kernel: uvcvideo: Failed to submit URB 0 (-28).
>
> Webcam is connected to VIA USB 2.0 controller through a USB 2.0 hub.
>
> What is strange, two days ago I tried apparently the same (model VFxxxx)
> with SUCCESS.
> Device seems working in Windoze (Ekiga).
>
> What should I check/ do?
>
[added]
syslog with modprobe trace=65535:
Mar 2 18:24:00 laurent-home kernel: uvcvideo: Found UVC 1.00 device
VF0520 Liv
e! Cam Sync (041e:406c)
Mar 2 18:24:00 laurent-home kernel: uvcvideo: Found a valid video chain
(1 ->
2).
Mar 2 18:24:00 laurent-home kernel: usbcore: registered new interface
driver u
vcvideo
Mar 2 18:24:23 laurent-home kernel: VIDIOC_QUERYCAP<7>uvcvideo:
uvc_v4l2_ioctl
Mar 2 18:24:23 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl
Mar 2 18:24:23 laurent-home kernel: VIDIOC_G_STD<7>uvcvideo:
Unsupported ioctl
0x80085617
Mar 2 18:24:23 laurent-home kernel: VIDIOC_G_PARM<7>uvcvideo:
uvc_v4l2_ioctl
Mar 2 18:24:23 laurent-home kernel: VIDIOC_ENUMSTD<7>uvcvideo:
Unsupported ioc
tl 0xc0405619
Mar 2 18:24:23 laurent-home kernel: VIDIOC_ENUMINPUT<7>uvcvideo:
uvc_v4l2_ioct
l
Mar 2 18:24:23 laurent-home kernel: VIDIOC_ENUMINPUT<7>uvcvideo:
uvc_v4l2_ioct
l
Mar 2 18:24:23 laurent-home kernel: VIDIOC_G_INPUT<7>uvcvideo:
uvc_v4l2_ioctl
Mar 2 18:24:23 laurent-home kernel: VIDIOC_ENUM_FMT<7>uvcvideo:
uvc_v4l2_ioctl
Mar 2 18:24:23 laurent-home kernel: VIDIOC_ENUM_FMT<7>uvcvideo:
uvc_v4l2_ioctl
Mar 2 18:24:23 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl
Mar 2 18:24:23 laurent-home kernel: VIDIOC_S_FMT<7>uvcvideo: Trying
format 0x4
7504a4d (MJPG): 640x480.
Mar 2 18:24:23 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl
Mar 2 18:24:23 laurent-home kernel: VIDIOC_S_FMT<7>uvcvideo: Trying
format 0x3
2315659 (YV12): 640x480.
Mar 2 18:24:23 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl
Mar 2 18:24:23 laurent-home kernel: VIDIOC_S_FMT<7>uvcvideo: Trying
format 0x3
2315559 (YU12): 640x480.
Mar 2 18:24:23 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl
Mar 2 18:24:23 laurent-home kernel: VIDIOC_S_FMT<7>uvcvideo: Trying
format 0x5
9565955 (UYVY): 640x480.
Mar 2 18:24:23 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl
Mar 2 18:24:23 laurent-home kernel: VIDIOC_S_FMT<7>uvcvideo: Trying
format 0x5
6595559 (YUYV): 640x480.
Mar 2 18:24:23 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl
Mar 2 18:24:23 laurent-home kernel: VIDIOC_S_FMT<7>uvcvideo: Trying
format 0x3
4424752 (RGB4): 640x480.
Mar 2 18:24:23 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl
Mar 2 18:24:23 laurent-home kernel: VIDIOC_S_FMT<7>uvcvideo: Trying
format 0x3
3424752 (RGB3): 640x480.
Mar 2 18:24:23 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl
Mar 2 18:24:23 laurent-home kernel: VIDIOC_S_FMT<7>uvcvideo: Trying
format 0x5
2474210 (BGR): 640x480.
Mar 2 18:24:23 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl
Mar 2 18:24:23 laurent-home kernel: VIDIOC_S_FMT<7>uvcvideo: Trying
format 0x5
247420f (BGR): 640x480.
Mar 2 18:24:23 laurent-home kernel: VIDIOC_ENUMINPUT<7>uvcvideo:
uvc_v4l2_ioct
l
Mar 2 18:24:23 laurent-home kernel: VIDIOC_S_INPUT<7>uvcvideo:
uvc_v4l2_ioctl
Mar 2 18:24:23 laurent-home kernel: VIDIOC_ENUMSTD<7>uvcvideo:
Unsupported ioc
tl 0xc0405619
Mar 2 18:24:23 laurent-home kernel: VIDIOC_ENUMSTD<7>uvcvideo:
Unsupported ioc
tl 0xc0405619
Mar 2 18:24:23 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl
Mar 2 18:24:23 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl
Mar 2 18:24:23 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl
Mar 2 18:24:23 laurent-home kernel: VIDIOC_REQBUFS<7>uvcvideo:
uvc_v4l2_ioctl
Mar 2 18:24:23 laurent-home kernel: VIDIOC_QUERYBUF<7>uvcvideo:
uvc_v4l2_mmap
Mar 2 18:24:23 laurent-home kernel: VIDIOC_QBUF<7>uvcvideo: Queuing
buffer 0.
Mar 2 18:24:23 laurent-home kernel: VIDIOC_QUERYBUF<7>uvcvideo:
uvc_v4l2_mmap
Mar 2 18:24:23 laurent-home kernel: VIDIOC_QBUF<7>uvcvideo: Queuing
buffer 1.
Mar 2 18:24:23 laurent-home kernel: VIDIOC_S_CTRL<7>uvcvideo: Control
0x009809
09 not found.
Mar 2 18:24:23 laurent-home kernel: VIDIOC_QUERYCTRL<7>uvcvideo:
uvc_v4l2_ioct
l
Mar 2 18:24:23 laurent-home kernel: VIDIOC_S_CTRL<7>uvcvideo:
uvc_v4l2_ioctl
Mar 2 18:24:23 laurent-home kernel: VIDIOC_QUERYCTRL<7>uvcvideo:
uvc_v4l2_ioct
l
Mar 2 18:24:23 laurent-home kernel: VIDIOC_S_CTRL<7>uvcvideo:
uvc_v4l2_ioctl
Mar 2 18:24:23 laurent-home kernel: VIDIOC_QUERYCTRL<7>uvcvideo:
uvc_v4l2_ioct
l
Mar 2 18:24:23 laurent-home kernel: VIDIOC_S_CTRL<7>uvcvideo:
uvc_v4l2_ioctl
Mar 2 18:24:23 laurent-home kernel: VIDIOC_QUERYCTRL<7>uvcvideo:
uvc_v4l2_ioct
l
Mar 2 18:24:23 laurent-home kernel: VIDIOC_S_CTRL<7>uvcvideo:
uvc_v4l2_ioctl
Mar 2 18:24:23 laurent-home kernel: VIDIOC_S_CTRL<7>uvcvideo: Control
0x009809
09 not found.
Mar 2 18:24:24 laurent-home kernel: VIDIOC_QUERYCAP<7>uvcvideo:
uvc_v4l2_ioctl
Mar 2 18:24:24 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl
Mar 2 18:24:24 laurent-home kernel: VIDIOC_G_STD<7>uvcvideo:
Unsupported ioctl
0x80085617
Mar 2 18:24:24 laurent-home kernel: VIDIOC_G_PARM<7>uvcvideo:
uvc_v4l2_ioctl
Mar 2 18:24:24 laurent-home kernel: VIDIOC_ENUMSTD<7>uvcvideo:
Unsupported ioc
tl 0xc0405619
Mar 2 18:24:24 laurent-home kernel: VIDIOC_ENUMINPUT<7>uvcvideo:
uvc_v4l2_ioct
l
Mar 2 18:24:24 laurent-home kernel: VIDIOC_ENUMINPUT<7>uvcvideo:
uvc_v4l2_ioct
Mar 2 18:24:24 laurent-home kernel: VIDIOC_G_INPUT<7>uvcvideo:
uvc_v4l2_ioctl
Mar 2 18:24:24 laurent-home kernel: VIDIOC_ENUM_FMT<7>uvcvideo:
uvc_v4l2_ioctl
Mar 2 18:24:24 laurent-home kernel: VIDIOC_ENUM_FMT<7>uvcvideo:
uvc_v4l2_ioctl
Mar 2 18:24:24 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl
Mar 2 18:24:24 laurent-home kernel: VIDIOC_S_FMT<7>uvcvideo: Trying
format 0x4
7504a4d (MJPG): 640x480.
Mar 2 18:24:24 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl
Mar 2 18:24:24 laurent-home kernel: VIDIOC_S_FMT<7>uvcvideo: Trying
format 0x3
2315659 (YV12): 640x480.
Mar 2 18:24:24 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl
Mar 2 18:24:24 laurent-home kernel: VIDIOC_S_FMT<7>uvcvideo: Trying
format 0x3
2315559 (YU12): 640x480.
Mar 2 18:24:24 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl
Mar 2 18:24:24 laurent-home kernel: VIDIOC_S_FMT<7>uvcvideo: Trying
format 0x5
9565955 (UYVY): 640x480.
Mar 2 18:24:24 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl
Mar 2 18:24:24 laurent-home kernel: VIDIOC_S_FMT<7>uvcvideo: Trying
format 0x5
6595559 (YUYV): 640x480.
Mar 2 18:24:24 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl
Mar 2 18:24:24 laurent-home kernel: VIDIOC_S_FMT<7>uvcvideo: Trying
format 0x3
4424752 (RGB4): 640x480.
Mar 2 18:24:24 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl
Mar 2 18:24:24 laurent-home kernel: VIDIOC_S_FMT<7>uvcvideo: Trying
format 0x3
3424752 (RGB3): 640x480.
Mar 2 18:24:24 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl
Mar 2 18:24:24 laurent-home kernel: VIDIOC_S_FMT<7>uvcvideo: Trying
format 0x5
2474210 (BGR): 640x480.
Mar 2 18:24:24 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl
Mar 2 18:24:24 laurent-home kernel: VIDIOC_S_FMT<7>uvcvideo: Trying
format 0x5
247420f (BGR): 640x480.
Mar 2 18:24:24 laurent-home kernel: VIDIOC_ENUMINPUT<7>uvcvideo:
uvc_v4l2_ioct
l
Mar 2 18:24:24 laurent-home kernel: VIDIOC_S_INPUT<7>uvcvideo:
uvc_v4l2_ioctl
Mar 2 18:24:24 laurent-home kernel: VIDIOC_ENUMSTD<7>uvcvideo:
Unsupported ioc
tl 0xc0405619
Mar 2 18:24:24 laurent-home kernel: VIDIOC_ENUMSTD<7>uvcvideo:
Unsupported ioc
tl 0xc0405619
Mar 2 18:24:24 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl
Mar 2 18:24:24 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl
Mar 2 18:24:24 laurent-home kernel: VIDIOC_G_FMT<7>uvcvideo: uvc_v4l2_ioctl
Mar 2 18:24:24 laurent-home kernel: VIDIOC_REQBUFS<7>uvcvideo:
uvc_v4l2_ioctl
Mar 2 18:24:24 laurent-home kernel: VIDIOC_QUERYBUF<7>uvcvideo:
uvc_v4l2_mmap
Mar 2 18:24:24 laurent-home kernel: VIDIOC_QBUF<7>uvcvideo: Queuing
buffer 0.
Mar 2 18:24:24 laurent-home kernel: VIDIOC_QUERYBUF<7>uvcvideo:
uvc_v4l2_mmap
Mar 2 18:24:24 laurent-home kernel: VIDIOC_QBUF<7>uvcvideo: Queuing
buffer 1.
Mar 2 18:24:24 laurent-home kernel: VIDIOC_S_CTRL<7>uvcvideo: Control
0x009809
09 not found.
Mar 2 18:24:24 laurent-home kernel: VIDIOC_QUERYCTRL<7>uvcvideo:
uvc_v4l2_ioct
l
Mar 2 18:24:24 laurent-home kernel: VIDIOC_S_CTRL<7>uvcvideo:
uvc_v4l2_ioctl
Mar 2 18:24:24 laurent-home kernel: VIDIOC_QUERYCTRL<7>uvcvideo:
uvc_v4l2_ioct
l
Mar 2 18:24:24 laurent-home kernel: VIDIOC_S_CTRL<7>uvcvideo:
uvc_v4l2_ioctl
Mar 2 18:24:24 laurent-home kernel: VIDIOC_QUERYCTRL<7>uvcvideo:
uvc_v4l2_ioct
l
Mar 2 18:24:24 laurent-home kernel: VIDIOC_S_CTRL<7>uvcvideo:
uvc_v4l2_ioctl
Mar 2 18:24:24 laurent-home kernel: VIDIOC_QUERYCTRL<7>uvcvideo:
uvc_v4l2_ioct
l
Mar 2 18:24:24 laurent-home kernel: VIDIOC_S_CTRL<7>uvcvideo:
uvc_v4l2_ioctl
Mar 2 18:24:24 laurent-home kernel: VIDIOC_STREAMON<3>uvcvideo: Failed
to subm
it URB 0 (-28).
Same on another hub (also another port of controller).
W.P.
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Big ptoblem with small webcam
2011-03-02 15:57 Big ptoblem with small webcam W.P.
2011-03-02 17:32 ` W.P.
@ 2011-03-03 10:14 ` Laurent Pinchart
2011-03-03 15:28 ` W.P.
2011-03-03 10:15 ` Laurent Pinchart
2 siblings, 1 reply; 6+ messages in thread
From: Laurent Pinchart @ 2011-03-03 10:14 UTC (permalink / raw)
To: W.P.; +Cc: linux-media
Hi,
On Wednesday 02 March 2011 16:57:05 W.P. wrote:
> Hi there,
> I just got an Creative VGA (640x480) USB Live Webcam, VF0520.
>
> lsusb (partial):
>
> Bus 003 Device 007: ID 041e:406c Creative Technology, Ltd
> Device Descriptor:
> bLength 18
> bDescriptorType 1
> bcdUSB 2.00
> bDeviceClass 239 Miscellaneous Device
> bDeviceSubClass 2 ?
> bDeviceProtocol 1 Interface Association
> bMaxPacketSize0 64
> idVendor 0x041e Creative Technology, Ltd
> idProduct 0x406c
> bcdDevice 10.19
> iManufacturer 1 Creative Labs
> iProduct 3 VF0520 Live! Cam Sync
> iSerial 0
> bNumConfigurations 1
>
> lsmod | grep vid:
> uvcvideo 50184 0
> compat_ioctl32 5120 1 uvcvideo
> videodev 32000 1 uvcvideo
> v4l1_compat 15876 2 uvcvideo,videodev
>
> uname -a (kernel from Fedora 10):
> [root@laurent-home ~]# uname -a
> Linux laurent-home 2.6.27.5-117.fc10.i686 #1 SMP Tue Nov 18 12:19:59 EST
> 2008 i686 athlon i386 GNU/Linux
>
> Problem: device nodes are created, but NO video in gmplayer, tvtime
> complains: can't open /dev/video0.
>
> Only trace in syslog is:
>
> Mar 2 16:26:56 laurent-home kernel: uvcvideo: Failed to submit URB 0
> (-28).
This means the webcam requires more USB bandwidth than available. Another
device probably uses USB bandwidth (it could be another webcam, an audio
device, ...).
> Webcam is connected to VIA USB 2.0 controller through a USB 2.0 hub.
>
> What is strange, two days ago I tried apparently the same (model VFxxxx)
> with SUCCESS.
> Device seems working in Windoze (Ekiga).
>
> What should I check/ do?
--
Regards,
Laurent Pinchart
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Big ptoblem with small webcam
2011-03-02 15:57 Big ptoblem with small webcam W.P.
2011-03-02 17:32 ` W.P.
2011-03-03 10:14 ` Laurent Pinchart
@ 2011-03-03 10:15 ` Laurent Pinchart
2 siblings, 0 replies; 6+ messages in thread
From: Laurent Pinchart @ 2011-03-03 10:15 UTC (permalink / raw)
To: W.P.; +Cc: linux-media
On Wednesday 02 March 2011 16:57:05 W.P. wrote:
> Hi there,
> I just got an Creative VGA (640x480) USB Live Webcam, VF0520.
>
> lsusb (partial):
Could you send me the complete lsusb output ?
> Bus 003 Device 007: ID 041e:406c Creative Technology, Ltd
> Device Descriptor:
> bLength 18
> bDescriptorType 1
> bcdUSB 2.00
> bDeviceClass 239 Miscellaneous Device
> bDeviceSubClass 2 ?
> bDeviceProtocol 1 Interface Association
> bMaxPacketSize0 64
> idVendor 0x041e Creative Technology, Ltd
> idProduct 0x406c
> bcdDevice 10.19
> iManufacturer 1 Creative Labs
> iProduct 3 VF0520 Live! Cam Sync
> iSerial 0
> bNumConfigurations 1
>
> lsmod | grep vid:
> uvcvideo 50184 0
> compat_ioctl32 5120 1 uvcvideo
> videodev 32000 1 uvcvideo
> v4l1_compat 15876 2 uvcvideo,videodev
>
> uname -a (kernel from Fedora 10):
> [root@laurent-home ~]# uname -a
> Linux laurent-home 2.6.27.5-117.fc10.i686 #1 SMP Tue Nov 18 12:19:59 EST
> 2008 i686 athlon i386 GNU/Linux
>
> Problem: device nodes are created, but NO video in gmplayer, tvtime
> complains: can't open /dev/video0.
>
> Only trace in syslog is:
>
> Mar 2 16:26:56 laurent-home kernel: uvcvideo: Failed to submit URB 0
> (-28).
>
> Webcam is connected to VIA USB 2.0 controller through a USB 2.0 hub.
>
> What is strange, two days ago I tried apparently the same (model VFxxxx)
> with SUCCESS.
> Device seems working in Windoze (Ekiga).
>
> What should I check/ do?
--
Regards,
Laurent Pinchart
^ permalink raw reply [flat|nested] 6+ messages in thread
* Re: Big ptoblem with small webcam
2011-03-03 10:14 ` Laurent Pinchart
@ 2011-03-03 15:28 ` W.P.
2011-03-04 10:57 ` [partially solved] " W.P.
0 siblings, 1 reply; 6+ messages in thread
From: W.P. @ 2011-03-03 15:28 UTC (permalink / raw)
To: linux-media
Użytkownik Laurent Pinchart napisał:
> Hi,
>
> On Wednesday 02 March 2011 16:57:05 W.P. wrote:
>
>> Hi there,
>> I just got an Creative VGA (640x480) USB Live Webcam, VF0520.
>>
>> lsusb (partial):
>>
>> Bus 003 Device 007: ID 041e:406c Creative Technology, Ltd
>> Device Descriptor:
>> bLength 18
>> bDescriptorType 1
>> bcdUSB 2.00
>> bDeviceClass 239 Miscellaneous Device
>> bDeviceSubClass 2 ?
>> bDeviceProtocol 1 Interface Association
>> bMaxPacketSize0 64
>> idVendor 0x041e Creative Technology, Ltd
>> idProduct 0x406c
>> bcdDevice 10.19
>> iManufacturer 1 Creative Labs
>> iProduct 3 VF0520 Live! Cam Sync
>> iSerial 0
>> bNumConfigurations 1
>>
>> lsmod | grep vid:
>> uvcvideo 50184 0
>> compat_ioctl32 5120 1 uvcvideo
>> videodev 32000 1 uvcvideo
>> v4l1_compat 15876 2 uvcvideo,videodev
>>
>> uname -a (kernel from Fedora 10):
>> [root@laurent-home ~]# uname -a
>> Linux laurent-home 2.6.27.5-117.fc10.i686 #1 SMP Tue Nov 18 12:19:59 EST
>> 2008 i686 athlon i386 GNU/Linux
>>
>> Problem: device nodes are created, but NO video in gmplayer, tvtime
>> complains: can't open /dev/video0.
>>
>> Only trace in syslog is:
>>
>> Mar 2 16:26:56 laurent-home kernel: uvcvideo: Failed to submit URB 0
>> (-28).
>>
>
> This means the webcam requires more USB bandwidth than available. Another
> device probably uses USB bandwidth (it could be another webcam, an audio
> device, ...).
>
>
It is the only USB 2.0 device connected (rest are keyboard, mouse, 2x
PL2303 converters, BT, and WiFi (unused). But what is strange: it seems
device runs in 1.1 mode:
Mar 3 15:54:46 laurent-home kernel: usb 3-1.4: new full speed USB
device using
uhci_hcd and address 24
Mar 3 15:54:47 laurent-home kernel: usb 3-1.4: *not running at top
speed*; conne
ct to a high speed hub
Mar 3 15:54:47 laurent-home kernel: usb 3-1.4: configuration #1 chosen
from 1
choice
Mar 3 15:54:47 laurent-home kernel: uvcvideo: Found UVC 1.00 device
VF0520 Liv
e! Cam Sync (041e:406c)
Mar 3 15:54:47 laurent-home kernel: uvcvideo: Found a valid video chain
(1 ->
2).
Mar 3 15:54:47 laurent-home kernel: input: VF0520 Live! Cam Sync as
/devices/p
ci0000:00/0000:00:0b.1/usb3/3-1/3-1.4/3-1.4:1.0/input/input19
Mar 3 15:54:47 laurent-home kernel: usb 3-1.4: New USB device found,
idVendor=
041e, idProduct=406c
Mar 3 15:54:47 laurent-home kernel: usb 3-1.4: New USB device strings:
Mfr=1,
Product=3, SerialNumber=0
Mar 3 15:54:47 laurent-home kernel: usb 3-1.4: Product: VF0520 Live!
Cam Sync
Mar 3 15:54:47 laurent-home kernel: usb 3-1.4: Manufacturer: Creative Labs
But I have tested it with 2 hubs on different controller ports, same.
>> Webcam is connected to VIA USB 2.0 controller through a USB 2.0 hub.
>>
>> What is strange, two days ago I tried apparently the same (model VFxxxx)
>> with SUCCESS.
>> Device seems working in Windoze (Ekiga).
>>
>> What should I check/ do?
>>
Only switching OS (for test) and it works. WTF?
W.P.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [partially solved] Re: Big ptoblem with small webcam
2011-03-03 15:28 ` W.P.
@ 2011-03-04 10:57 ` W.P.
0 siblings, 0 replies; 6+ messages in thread
From: W.P. @ 2011-03-04 10:57 UTC (permalink / raw)
To: linux-media
Użytkownik W.P. napisał:
> Użytkownik Laurent Pinchart napisał:
>
>> Hi,
>>
>> On Wednesday 02 March 2011 16:57:05 W.P. wrote:
>>
>>
>>> Hi there,
>>> I just got an Creative VGA (640x480) USB Live Webcam, VF0520.
>>>
>>> lsusb (partial):
>>>
>>> Bus 003 Device 007: ID 041e:406c Creative Technology, Ltd
>>> Device Descriptor:
>>> bLength 18
>>> bDescriptorType 1
>>> bcdUSB 2.00
>>> bDeviceClass 239 Miscellaneous Device
>>> bDeviceSubClass 2 ?
>>> bDeviceProtocol 1 Interface Association
>>> bMaxPacketSize0 64
>>> idVendor 0x041e Creative Technology, Ltd
>>> idProduct 0x406c
>>> bcdDevice 10.19
>>> iManufacturer 1 Creative Labs
>>> iProduct 3 VF0520 Live! Cam Sync
>>> iSerial 0
>>> bNumConfigurations 1
>>>
>>> lsmod | grep vid:
>>> uvcvideo 50184 0
>>> compat_ioctl32 5120 1 uvcvideo
>>> videodev 32000 1 uvcvideo
>>> v4l1_compat 15876 2 uvcvideo,videodev
>>>
>>> uname -a (kernel from Fedora 10):
>>> [root@laurent-home ~]# uname -a
>>> Linux laurent-home 2.6.27.5-117.fc10.i686 #1 SMP Tue Nov 18 12:19:59 EST
>>> 2008 i686 athlon i386 GNU/Linux
>>>
>>> Problem: device nodes are created, but NO video in gmplayer, tvtime
>>> complains: can't open /dev/video0.
>>>
>>> Only trace in syslog is:
>>>
>>> Mar 2 16:26:56 laurent-home kernel: uvcvideo: Failed to submit URB 0
>>> (-28).
>>>
>>>
>> This means the webcam requires more USB bandwidth than available. Another
>> device probably uses USB bandwidth (it could be another webcam, an audio
>> device, ...).
>>
>>
>>
> It is the only USB 2.0 device connected (rest are keyboard, mouse, 2x
> PL2303 converters, BT, and WiFi (unused). But what is strange: it seems
> device runs in 1.1 mode:
>
> Mar 3 15:54:46 laurent-home kernel: usb 3-1.4: new full speed USB
> device using
> uhci_hcd and address 24
> Mar 3 15:54:47 laurent-home kernel: usb 3-1.4: *not running at top
> speed*; conne
> ct to a high speed hub
> Mar 3 15:54:47 laurent-home kernel: usb 3-1.4: configuration #1 chosen
> from 1
> choice
> Mar 3 15:54:47 laurent-home kernel: uvcvideo: Found UVC 1.00 device
> VF0520 Liv
> e! Cam Sync (041e:406c)
> Mar 3 15:54:47 laurent-home kernel: uvcvideo: Found a valid video chain
> (1 ->
> 2).
> Mar 3 15:54:47 laurent-home kernel: input: VF0520 Live! Cam Sync as
> /devices/p
> ci0000:00/0000:00:0b.1/usb3/3-1/3-1.4/3-1.4:1.0/input/input19
> Mar 3 15:54:47 laurent-home kernel: usb 3-1.4: New USB device found,
> idVendor=
> 041e, idProduct=406c
> Mar 3 15:54:47 laurent-home kernel: usb 3-1.4: New USB device strings:
> Mfr=1,
> Product=3, SerialNumber=0
> Mar 3 15:54:47 laurent-home kernel: usb 3-1.4: Product: VF0520 Live!
> Cam Sync
> Mar 3 15:54:47 laurent-home kernel: usb 3-1.4: Manufacturer: Creative Labs
>
> But I have tested it with 2 hubs on different controller ports, same.
>
>>> Webcam is connected to VIA USB 2.0 controller through a USB 2.0 hub.
>>>
>>> What is strange, two days ago I tried apparently the same (model VFxxxx)
>>> with SUCCESS.
>>> Device seems working in Windoze (Ekiga).
>>>
>>> What should I check/ do?
>>>
>>>
> Only switching OS (for test) and it works. WTF?
>
>
Connecting to controller directly -> detected as high speed and works.
Again, question is WTF?
> W.P.
>
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2011-03-04 10:57 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2011-03-02 15:57 Big ptoblem with small webcam W.P.
2011-03-02 17:32 ` W.P.
2011-03-03 10:14 ` Laurent Pinchart
2011-03-03 15:28 ` W.P.
2011-03-04 10:57 ` [partially solved] " W.P.
2011-03-03 10:15 ` Laurent Pinchart
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