On Thursday 02 September 2010 10:57:52 David Naylor wrote:
> On Wednesday 01 September 2010 09:19:55 Hans Petter Selasky wrote:
> > > Will it matter if my kernel is a bit old (about 3 months)?  Are there
> > > any (small) live linux distros that have good webcam support (so that
> > > I can check if the cam works at all with gspca)?
> > > 
> > > David
> > 
> > Maybe you could check your webcam in Ubuntu?
> > 
> > --HPS
> 
> Just before I was about to check the webcam with Ubuntu  I tried it on
> another computer... and it worked.
> 
> To make sure: I copied across the debug build of webcam and it worked with
> that as well.  It certainly is not the software on the webcamd side. 
> cuse4bsd is the same on both computers.  Both systems are running
> different custom kernels but contain the same usb devices (the same as
> GENERIC).
> 
> On the computer that works `pwcview -s vga` does not work.  I expect that
> to be a limitation of the device.
> 
> On the other computer, I tried every USB port and none of them work.  The
> USB controllers are:
> 
> oh...@pci0:0:11:0:      class=0x0c0310 card=0x50041458 chip=0x026d10de
> rev=0xa3 hdr=0x00
>     vendor     = 'NVIDIA Corporation'
>     device     = 'MCP51 USB Controller'
>     class      = serial bus
>     subclass   = USB
> eh...@pci0:0:11:1:      class=0x0c0320 card=0x50041458 chip=0x026e10de
> rev=0xa3 hdr=0x00
>     vendor     = 'NVIDIA Corporation'
>     device     = 'MCP51 USB Controller'
>     class      = serial bus
>     subclass   = USB
> 
> The USB ports do work for umass, u3g and umodem devices.  Will the kernel
> version have an impact, should I upgrade to head?
> 
> The webcam works with Ubuntu on both computers.

There has been some updates in the kernel in the USB area (isochronous 
transfers), which might affect Webcam operation.

--HPS
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