On Sat, Aug 29, 2020 at 06:03:28PM +0800, Harish Pillay wrote:
> > > Hi. I've a Canon EOS 500D with Canon firmware 1.1.1 and Magic Lantern
> > > nightly running. I tried to run the command gphoto2 --summary and it
> > > failed. The camera can be detected. Please see the debug log as
> > > requested as well as the screenshot of the terminal.
> > >
> > > 0.175250 gp_libusb1_open [libusb1.c:430](0): 'libusb_claim_interface
> > > (port->pl->dh, port->settings.usb.interface)' failed: Entity not found
> > > (-5)
> > > 0.175265 gp_port_set_error [gphoto2-port.c:1190](0): Could not claim
> > > interface 0 (No such file or directory). Make sure no other program
> > > (gvfs-gphoto2-volume-monitor) or kernel module (such as sdc2xx, stv680,
> > > spca50x) is using the device and you have read/write access to the device.
> > > 0.175423 gp_context_error (0): An error occurred in the
> > > io-library ('Could not claim the USB device'): Could not claim interface
> > > 0 (No such file or directory). Make sure no other program
> > > (gvfs-gphoto2-volume-monitor) or kernel module (such as sdc2xx, stv680,
> > > spca50x) is using the device and you have read/write access to the device.
> >
> > Something is weird at the kernel level with the camera.
> >
> > Is the camera reporting errors in "dmesg" ? Is "lsusb -v" showing it
> > correctly.
>
> For some reason, it is all working now.
>
> lsusb -v's output is appended.
good to hear, perhaps it was just a transient issue.
lsusb also looks as expected for the Canon.
Ciao, Marcus
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