Re: Problems with usb and digital camera

[Greg KH <greg@kroah.com>]

On Thu, Jun 09, 2005 at 11:19:49PM +0000, J.A. Magallon wrote:
> Hi...
> 
> I have a Canon Powershot A70 and it used to work nicely with linux and
> gnome. But now it has stopped working.
> 
> When I plug the camera, gthumb pops and try to import photos. But I get a
> window with this message:
> 
> An error occurred in the io-library ('Error updating the port settings'): Could not set config 0/1 (Device or resource busy)
> 
> syslog shows this:
> 
> Jun  6 23:43:04 werewolf kernel: usb 5-2: new full speed USB device using uhci_hcd and address 6
> Jun  6 23:45:38 werewolf kernel: usb 5-2: usbfs: interface 0 claimed by usbfs while 'gthumb' sets config #1

That looks fine.

> I have now 2.6.12-rc6-mm1. My USB pendrive works nicely.
> 
> Are you aware of any strange behaviour of USB in this kernel ?

Nope :)

> What means the syslog message ? The kernel grabs the device to show in usbfs
> and nobody can open it ?

No, gthumb uses libusb to grab it (thats the usbfs bind message.)

How about enabling CONFIG_USB_DEBUG in your kernel and posting the
results of your syslog to the linux-usb-devel mailing list when you try
this?

thanks,

greg k-h
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