Hi all,
I have a very strange behaviour : I have a webcam (a Philips toUcam
pro) which seems regularly to be removed and added again.
I precise that this webcam is working fine on another PC and that I have
tried with another webcam and with the other USB port.
my box is has a VIA EPIA Mini-ITX mainboard (processor VIA eden 500 Mz)
with a Mandrake 8.2 (kernel 2.4.18) which, but this poroblem, works well.
Any idea ?
thanks,
Philippe Finkel
/var/log/messages :
Jun 25 06:57:06 look1 kernel: Linux video capture interface: v1.00
Jun 25 06:57:06 look1 kernel: pwc Philips PCA645/646 + PCVC675/680/690 +
PCVC730/740/750 webcam module version 8.5 loaded.
Jun 25 06:57:06 look1 kernel: pwc Also supports the Askey VC010,
Logitech Quickcam 3000 Pro, Samsung MPC-C10 and MPC-C30, the Creative
WebCam 5 and the SOTEC CMS-001.
Jun 25 06:57:06 look1 kernel: pwc Default framerate set to 5.
Jun 25 06:57:06 look1 kernel: pwc Default image size set to sif [320x240].
Jun 25 06:57:06 look1 kernel: pwc Number of image buffers set to 4.
Jun 25 06:57:06 look1 kernel: pwc Number of frame buffers set to 5.
Jun 25 06:57:06 look1 kernel: pwc Trace options: 0x007f
Jun 25 06:57:06 look1 kernel: pwc Preferred compression set to 0.
Jun 25 06:57:06 look1 kernel: usb.c: registered new driver Philips webcam
Jun 25 06:57:06 look1 kernel: pwc Philips PCVC740K (ToUCam Pro) USB
webcam detected.
Jun 25 06:57:06 look1 kernel: pwc Registered as /dev/video0.
Jun 25 06:57:33 look1 kernel: hub.c: already running port 2 disabled by
hub (EMI?), re-enabling...
Jun 25 06:57:33 look1 kernel: usb.c: USB disconnect on device 17
Jun 25 06:57:33 look1 kernel: pwc Disconnected while device/video is open!
Jun 25 06:57:40 look1 kernel: usb-uhci.c: interrupt, status 2, frame# 673
Jun 25 06:57:40 look1 kernel: pwc Closing video device: 77 frames
received, dumped 0 frames, 0 frames with errors.
Jun 25 06:57:40 look1 kernel: usbaudio: unregister dsp 14,19
Jun 25 06:57:40 look1 kernel: usbaudio: unregister mixer 14,16
device seems to disappear !!!
Jun 25 06:57:41 look1 kernel: hub.c: USB new device connect on bus1/2,
assigned device number 18
Jun 25 06:57:41 look1 kernel: pwc Philips PCVC740K (ToUCam Pro) USB
webcam detected.
Jun 25 06:57:42 look1 kernel: usb-uhci.c: ENXIO 80001280, flags 0, urb
c5c43e20, burb c6545ae0
Jun 25 06:57:42 look1 kernel: usb.c: error getting string descriptor 0
(error=-6)
Jun 25 06:57:42 look1 kernel: usb-uhci.c: ENXIO 80001280, flags 0, urb
c5c43e20, burb c6545ae0
Jun 25 06:57:42 look1 kernel: usb.c: error getting string descriptor 0
(error=-6)
Jun 25 06:57:43 look1 kernel: pwc Registered as /dev/video0.
device appear again !!
Jun 25 06:57:44 look1 kernel: usbaudio: device 18 audiocontrol interface
1 has 1 input and 0 output AudioStreaming interfaces
Jun 25 06:57:44 look1 kernel: usbaudio: valid input sample rate 44100
Jun 25 06:57:44 look1 kernel: usbaudio: device 18 interface 2 altsetting
1: format 0x00000010 sratelo 44100 sratehi 44100 attributes 0x00
Jun 25 06:57:44 look1 kernel: usbaudio: valid input sample rate 22050
Jun 25 06:57:44 look1 kernel: usbaudio: device 18 interface 2 altsetting
2: format 0x00000010 sratelo 22050 sratehi 22050 attributes 0x00
Jun 25 06:57:44 look1 kernel: usbaudio: valid input sample rate 11025
Jun 25 06:57:44 look1 kernel: usbaudio: device 18 interface 2 altsetting
3: format 0x00000010 sratelo 11025 sratehi 11025 attributes 0x00
Jun 25 06:57:44 look1 kernel: usbaudio: valid input sample rate 8000
Jun 25 06:57:44 look1 kernel: usbaudio: device 18 interface 2 altsetting
4: format 0x00000010 sratelo 8000 sratehi 8000 attributes 0x00
Jun 25 06:57:44 look1 kernel: usbaudio: registered dsp 14,19
Jun 25 06:57:44 look1 kernel: usbaudio: warning: found 1 of 0 logical
channels.
Jun 25 06:57:44 look1 kernel: usbaudio: assuming the channel found is
the master channel (got a Philips camera?). Should be fine.
Jun 25 06:57:44 look1 kernel: usbaudio: registered mixer 14,16
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