Still I am getting the same error message. Pleas see the below .also
attached log and config files as you advised.
Please help me !

+++++++++++++++++++++++++++++++++
pi@raspberrypi:~/gphoto2-2.5.6 $ ps auxw|grep gphoto2
pi        1487  0.0  0.0   7348   548 pts/0    S+   08:40   0:00 grep
--color=auto gphoto2
pi@raspberrypi:~/gphoto2-2.5.6 $ gphoto2 --auto-detect
Model                          Port

----------------------------------------------------------
USB PTP Class Camera           usb:001,004
pi@raspberrypi:~/gphoto2-2.5.6 $ LANG=C gphoto2 --summary >summary.txt

*** Error ***
An error occurred in the io-library ('Could not claim the USB device'):
Could not claim interface 0 (Device or resource busy). 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.
*** Error (-53: 'Could not claim the USB device') ***

pi@raspberrypi:~/gphoto2-2.5.6 $ LANG=C gphoto2 --list-all-config
>config.txt

*** Error ***
An error occurred in the io-library ('Could not claim the USB device'):
Could not claim interface 0 (Device or resource busy). 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.
*** Error (-53: 'Could not claim the USB device') ***

pi@raspberrypi:~/gphoto2-2.5.6 $ gphoto2 --capture-image


*** Error ***
An error occurred in the io-library ('Could not claim the USB device'):
Could not claim interface 0 (Device or resource busy). 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.
ERROR: Could not capture image.
ERROR: Could not capture.
*** Error (-53: 'Could not claim the USB device') ***

For debugging messages, please use the --debug option.
Debugging messages may help finding a solution to your problem.
If you intend to send any error or debug messages to the gphoto
developer mailing list <gphoto-devel@lists.sourceforge.net>, please run
gphoto2 as follows:

    env LANG=C gphoto2 --debug --debug-logfile=my-logfile.txt
--capture-image

Please make sure there is sufficient quoting around the arguments.

pi@raspberrypi:~/gphoto2-2.5.6 $ env LANG=C gphoto2 --debug
--debug-logfile=my-logfile.txt --capture-image


*** Error ***
An error occurred in the io-library ('Could not claim the USB device'):
Could not claim interface 0 (Device or resource busy). 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.
ERROR: Could not capture image.
ERROR: Could not capture.
*** Error (-53: 'Could not claim the USB device') ***

pi@raspberrypi:~/gphoto2-2.5.6 $

On Sun, Jan 19, 2020 at 3:19 AM Marcus Meissner <meiss...@suse.de> wrote:

> Hi,
>
> gphoto2 in your trace is being blocked by the "GVFS" slave that provides
> the camera to Nautilus filebrowsing.
>
> Up to now the GoPro Hero series did not support remote capture over USB
> though, so its unlikely that the new one works :/
>
> Once you get gvfs disabled, (ps auxw|grep gphoto2, kill the processes with
> gphoto in their names)
> you can try the steps from http://gphoto.org/proj/libgphoto2/support.php
>
> Record the output of gphoto2 --auto-detect to see if it is detected in a
> generic way, or by another name. If it is detected already, run the steps
> below:
> Record the output of LANG=C gphoto2 --summary >summary.txt to get generic
> summary information into the summary.txt file.
> Record the output of LANG=C gphoto2 --list-all-config >config.txt to get
> the configuration tree into the config.txt file.
> Record the output of gphoto2 --capture-image to see if capture works
> already.
>
> Ciao, Marcus
> On Sun, Jan 19, 2020 at 01:06:30AM -0500, Sasi Karanam wrote:
> > Also please see config details of my raspberry pi4
> >
> > pi@raspberrypi:~/gphoto2-2.5.6 $ lsusb -v
> >
> > Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> > Couldn't open device, some information will be missing
> > Device Descriptor:
> >   bLength                18
> >   bDescriptorType         1
> >   bcdUSB               2.00
> >   bDeviceClass            9 Hub
> >   bDeviceSubClass         0
> >   bDeviceProtocol         1 Single TT
> >   bMaxPacketSize0        64
> >   idVendor           0x1d6b Linux Foundation
> >   idProduct          0x0002 2.0 root hub
> >   bcdDevice            4.19
> >   iManufacturer           3
> >   iProduct                2
> >   iSerial                 1
> >   bNumConfigurations      1
> >   Configuration Descriptor:
> >     bLength                 9
> >     bDescriptorType         2
> >     wTotalLength       0x0019
> >     bNumInterfaces          1
> >     bConfigurationValue     1
> >     iConfiguration          0
> >     bmAttributes         0xe0
> >       Self Powered
> >       Remote Wakeup
> >     MaxPower                0mA
> >     Interface Descriptor:
> >       bLength                 9
> >       bDescriptorType         4
> >       bInterfaceNumber        0
> >       bAlternateSetting       0
> >       bNumEndpoints           1
> >       bInterfaceClass         9 Hub
> >       bInterfaceSubClass      0
> >       bInterfaceProtocol      0 Full speed (or root) hub
> >       iInterface              0
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x81  EP 1 IN
> >         bmAttributes            3
> >           Transfer Type            Interrupt
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x0004  1x 4 bytes
> >         bInterval              12
> >
> > Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
> > Couldn't open device, some information will be missing
> > Device Descriptor:
> >   bLength                18
> >   bDescriptorType         1
> >   bcdUSB               3.00
> >   bDeviceClass            9 Hub
> >   bDeviceSubClass         0
> >   bDeviceProtocol         3
> >   bMaxPacketSize0         9
> >   idVendor           0x1d6b Linux Foundation
> >   idProduct          0x0003 3.0 root hub
> >   bcdDevice            4.19
> >   iManufacturer           3
> >   iProduct                2
> >   iSerial                 1
> >   bNumConfigurations      1
> >   Configuration Descriptor:
> >     bLength                 9
> >     bDescriptorType         2
> >     wTotalLength       0x001f
> >     bNumInterfaces          1
> >     bConfigurationValue     1
> >     iConfiguration          0
> >     bmAttributes         0xe0
> >       Self Powered
> >       Remote Wakeup
> >     MaxPower                0mA
> >     Interface Descriptor:
> >       bLength                 9
> >       bDescriptorType         4
> >       bInterfaceNumber        0
> >       bAlternateSetting       0
> >       bNumEndpoints           1
> >       bInterfaceClass         9 Hub
> >       bInterfaceSubClass      0
> >       bInterfaceProtocol      0 Full speed (or root) hub
> >       iInterface              0
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x81  EP 1 IN
> >         bmAttributes            3
> >           Transfer Type            Interrupt
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x0004  1x 4 bytes
> >         bInterval              12
> >         bMaxBurst               0
> >
> > Bus 001 Device 003: ID 03f0:d407 HP, Inc
> > Couldn't open device, some information will be missing
> > Device Descriptor:
> >   bLength                18
> >   bDescriptorType         1
> >   bcdUSB               2.00
> >   bDeviceClass            0
> >   bDeviceSubClass         0
> >   bDeviceProtocol         0
> >   bMaxPacketSize0        32
> >   idVendor           0x03f0 HP, Inc
> >   idProduct          0xd407
> >   bcdDevice            1.33
> >   iManufacturer           1
> >   iProduct                2
> >   iSerial                 0
> >   bNumConfigurations      1
> >   Configuration Descriptor:
> >     bLength                 9
> >     bDescriptorType         2
> >     wTotalLength       0x003b
> >     bNumInterfaces          2
> >     bConfigurationValue     1
> >     iConfiguration          0
> >     bmAttributes         0xa0
> >       (Bus Powered)
> >       Remote Wakeup
> >     MaxPower              100mA
> >     Interface Descriptor:
> >       bLength                 9
> >       bDescriptorType         4
> >       bInterfaceNumber        0
> >       bAlternateSetting       0
> >       bNumEndpoints           1
> >       bInterfaceClass         3 Human Interface Device
> >       bInterfaceSubClass      1 Boot Interface Subclass
> >       bInterfaceProtocol      1 Keyboard
> >       iInterface              0
> >         HID Device Descriptor:
> >           bLength                 9
> >           bDescriptorType        33
> >           bcdHID               1.11
> >           bCountryCode            0 Not supported
> >           bNumDescriptors         1
> >           bDescriptorType        34 Report
> >           wDescriptorLength      65
> >          Report Descriptors:
> >            ** UNAVAILABLE **
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x81  EP 1 IN
> >         bmAttributes            3
> >           Transfer Type            Interrupt
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x0008  1x 8 bytes
> >         bInterval              10
> >     Interface Descriptor:
> >       bLength                 9
> >       bDescriptorType         4
> >       bInterfaceNumber        1
> >       bAlternateSetting       0
> >       bNumEndpoints           1
> >       bInterfaceClass         3 Human Interface Device
> >       bInterfaceSubClass      1 Boot Interface Subclass
> >       bInterfaceProtocol      2 Mouse
> >       iInterface              0
> >         HID Device Descriptor:
> >           bLength                 9
> >           bDescriptorType        33
> >           bcdHID               1.11
> >           bCountryCode            0 Not supported
> >           bNumDescriptors         1
> >           bDescriptorType        34 Report
> >           wDescriptorLength     241
> >          Report Descriptors:
> >            ** UNAVAILABLE **
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x82  EP 2 IN
> >         bmAttributes            3
> >           Transfer Type            Interrupt
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x0009  1x 9 bytes
> >         bInterval               2
> >
> > Bus 001 Device 005: ID 2672:0049
> > Device Descriptor:
> >   bLength                18
> >   bDescriptorType         1
> >   bcdUSB               2.10
> >   bDeviceClass            0
> >   bDeviceSubClass         0
> >   bDeviceProtocol         0
> >   bMaxPacketSize0        64
> >   idVendor           0x2672
> >   idProduct          0x0049
> >   bcdDevice            0.01
> >   iManufacturer           1 GoPro
> >   iProduct                2 HERO8 BLACK
> >   iSerial                 3 C3333424790252
> >   bNumConfigurations      1
> >   Configuration Descriptor:
> >     bLength                 9
> >     bDescriptorType         2
> >     wTotalLength       0x0027
> >     bNumInterfaces          1
> >     bConfigurationValue     1
> >     iConfiguration          4 Config MTP
> >     bmAttributes         0xc0
> >       Self Powered
> >     MaxPower              500mA
> >     Interface Descriptor:
> >       bLength                 9
> >       bDescriptorType         4
> >       bInterfaceNumber        0
> >       bAlternateSetting       0
> >       bNumEndpoints           3
> >       bInterfaceClass         6 Imaging
> >       bInterfaceSubClass      1 Still Image Capture
> >       bInterfaceProtocol      1 Picture Transfer Protocol (PIMA 15470)
> >       iInterface              5 MTP
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x81  EP 1 IN
> >         bmAttributes            2
> >           Transfer Type            Bulk
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x0200  1x 512 bytes
> >         bInterval               0
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x01  EP 1 OUT
> >         bmAttributes            2
> >           Transfer Type            Bulk
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x0200  1x 512 bytes
> >         bInterval               0
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x82  EP 2 IN
> >         bmAttributes            3
> >           Transfer Type            Interrupt
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x001c  1x 28 bytes
> >         bInterval               6
> > Binary Object Store Descriptor:
> >   bLength                 5
> >   bDescriptorType        15
> >   wTotalLength       0x0016
> >   bNumDeviceCaps          2
> >   USB 2.0 Extension Device Capability:
> >     bLength                 7
> >     bDescriptorType        16
> >     bDevCapabilityType      2
> >     bmAttributes   0x00000006
> >       BESL Link Power Management (LPM) Supported
> >   SuperSpeed USB Device Capability:
> >     bLength                10
> >     bDescriptorType        16
> >     bDevCapabilityType      3
> >     bmAttributes         0x00
> >     wSpeedsSupported   0x000f
> >       Device can operate at Low Speed (1Mbps)
> >       Device can operate at Full Speed (12Mbps)
> >       Device can operate at High Speed (480Mbps)
> >       Device can operate at SuperSpeed (5Gbps)
> >     bFunctionalitySupport   1
> >       Lowest fully-functional device speed is Full Speed (12Mbps)
> >     bU1DevExitLat           1 micro seconds
> >     bU2DevExitLat         500 micro seconds
> > can't get debug descriptor: Resource temporarily unavailable
> > Device Status:     0x0001
> >   Self Powered
> >
> > Bus 001 Device 002: ID 2109:3431 VIA Labs, Inc. Hub
> > Couldn't open device, some information will be missing
> > Device Descriptor:
> >   bLength                18
> >   bDescriptorType         1
> >   bcdUSB               2.10
> >   bDeviceClass            9 Hub
> >   bDeviceSubClass         0
> >   bDeviceProtocol         1 Single TT
> >   bMaxPacketSize0        64
> >   idVendor           0x2109 VIA Labs, Inc.
> >   idProduct          0x3431 Hub
> >   bcdDevice            4.20
> >   iManufacturer           0
> >   iProduct                1
> >   iSerial                 0
> >   bNumConfigurations      1
> >   Configuration Descriptor:
> >     bLength                 9
> >     bDescriptorType         2
> >     wTotalLength       0x0019
> >     bNumInterfaces          1
> >     bConfigurationValue     1
> >     iConfiguration          0
> >     bmAttributes         0xe0
> >       Self Powered
> >       Remote Wakeup
> >     MaxPower              100mA
> >     Interface Descriptor:
> >       bLength                 9
> >       bDescriptorType         4
> >       bInterfaceNumber        0
> >       bAlternateSetting       0
> >       bNumEndpoints           1
> >       bInterfaceClass         9 Hub
> >       bInterfaceSubClass      0
> >       bInterfaceProtocol      0 Full speed (or root) hub
> >       iInterface              0
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x81  EP 1 IN
> >         bmAttributes            3
> >           Transfer Type            Interrupt
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x0001  1x 1 bytes
> >         bInterval              12
> >
> > Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
> > Couldn't open device, some information will be missing
> > Device Descriptor:
> >   bLength                18
> >   bDescriptorType         1
> >   bcdUSB               2.00
> >   bDeviceClass            9 Hub
> >   bDeviceSubClass         0
> >   bDeviceProtocol         1 Single TT
> >   bMaxPacketSize0        64
> >   idVendor           0x1d6b Linux Foundation
> >   idProduct          0x0002 2.0 root hub
> >   bcdDevice            4.19
> >   iManufacturer           3
> >   iProduct                2
> >   iSerial                 1
> >   bNumConfigurations      1
> >   Configuration Descriptor:
> >     bLength                 9
> >     bDescriptorType         2
> >     wTotalLength       0x0019
> >     bNumInterfaces          1
> >     bConfigurationValue     1
> >     iConfiguration          0
> >     bmAttributes         0xe0
> >       Self Powered
> >       Remote Wakeup
> >     MaxPower                0mA
> >     Interface Descriptor:
> >       bLength                 9
> >       bDescriptorType         4
> >       bInterfaceNumber        0
> >       bAlternateSetting       0
> >       bNumEndpoints           1
> >       bInterfaceClass         9 Hub
> >       bInterfaceSubClass      0
> >       bInterfaceProtocol      0 Full speed (or root) hub
> >       iInterface              0
> >       Endpoint Descriptor:
> >         bLength                 7
> >         bDescriptorType         5
> >         bEndpointAddress     0x81  EP 1 IN
> >         bmAttributes            3
> >           Transfer Type            Interrupt
> >           Synch Type               None
> >           Usage Type               Data
> >         wMaxPacketSize     0x0004  1x 4 bytes
> >         bInterval              12
> >
> > On Sun, Jan 19, 2020 at 12:32 AM Sasi Karanam <sasiemail2...@gmail.com>
> > wrote:
> >
> > > Sorry. Please see  the below..
> > >
> > > ++++++++++++++
> > > *** Error ***
> > > An error occurred in the io-library ('Could not claim the USB device'):
> > > Could not claim interface 0 (Device or resource busy). 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.
> > > ERROR: Could not capture image.
> > > ERROR: Could not capture.
> > > *** Error (-53: 'Could not claim the USB device') ***
> > > ++++++++++++++++++++
> > >
> > > also attached the log file.  Please advise.
> > >
> > > On Sat, Jan 18, 2020 at 9:44 PM Hubert Figuière <h...@figuiere.net>
> wrote:
> > >
> > >> On 2020-01-18 7:46 p.m., Sasi Karanam wrote:
> > >> > Hi ,
> > >> > I am trying to capture images by using gopro 8 black and getting
> below
> > >> > error message even though it is detecting as USB PTP Class Camera.
> > >> Please
> > >> > help me.
> > >> >
> > >> > Eroor message :
> > >> > ++++++++++++++++++++
> > >> > For debugging messages, please use the --debug option.
> > >> > Debugging messages may help finding a solution to your problem.
> > >> > If you intend to send any error or debug messages to the gphoto
> > >> > developer mailing list <gphoto-devel@lists.sourceforge.net>,
> please run
> > >> > gphoto2 as follows:
> > >> >
> > >> >     env LANG=C gphoto2 --debug --debug-logfile=my-logfile.txt
> --summary
> > >> >
> > >> > Please make sure there is sufficient quoting around the arguments.
> > >> > +++++++++++++++++++++++
> > >> >
> > >> > pi@raspberrypi:~ $ gphoto2 --auto-detect
> > >> > Model                          Port
> > >> >
> > >> > ----------------------------------------------------------
> > >> > USB PTP Class Camera           usb:001,004
> > >> >
> > >>
> > >> You stripped the relevant part of the output with the actual error
> > >> message so it is hard to know what's happening here.
> > >>
> > >>
> > >> Cheers,
> > >>
> > >> Hub
> > >>
> > >
>
>
> > _______________________________________________
> > Gphoto-devel mailing list
> > Gphoto-devel@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/gphoto-devel
>
>
> --
> Marcus Meissner,SUSE LINUX GmbH; Maxfeldstrasse 5; D-90409 Nuernberg; Zi.
> 3.1-33,+49-911-740 53-432,,serv=loki,mail=wotan,type=real <
> meiss...@suse.de>
>
0.000489 main                        (2): ALWAYS INCLUDE THE FOLLOWING LINES 
WHEN SENDING DEBUG MESSAGES TO THE MAILING LIST:
0.000666 main                        (2): gphoto2 2.5.6
0.000718 main                        (2): gphoto2 has been compiled with the 
following options:
0.000756 main                        (2):  + gcc (C compiler used)
0.000788 main                        (2):  + popt (mandatory, for handling 
command-line parameters)
0.000820 main                        (2):  + exif (for displaying EXIF 
information)
0.000853 main                        (2):  + no cdk (for accessing 
configuration options)
0.000885 main                        (2):  + no aa (for displaying live 
previews)
0.000917 main                        (2):  + no jpeg (for displaying live 
previews in JPEG format)
0.000949 main                        (2):  + no readline (for easy navigation 
in the shell)
0.000988 main                        (2): libgphoto2 2.5.22
0.001032 main                        (2): libgphoto2 has been compiled with the 
following options:
0.001067 main                        (2):  + all camlibs
0.001101 main                        (2):  + gcc (C compiler used)
0.001133 main                        (2):  + ltdl (for portable loading of 
camlibs)
0.001165 main                        (2):  + EXIF (for special handling of EXIF 
files)
0.001205 main                        (2): libgphoto2_port 0.12.0
0.001245 main                        (2): libgphoto2_port has been compiled 
with the following options:
0.001277 main                        (2):  + iolibs: disk ptpip serial usb1 
usbdiskdirect usbscsi
0.001308 main                        (2):  + gcc (C compiler used)
0.001338 main                        (2):  + ltdl (for portable loading of 
iolibs)
0.001370 main                        (2):  + USB (libusb1, for USB cameras)
0.001400 main                        (2):  + serial (for serial cameras)
0.001430 main                        (2):  + no resmgr (serial port access and 
locking)
0.001460 main                        (2):  + no ttylock (serial port locking)
0.001490 main                        (2):  + no lockdev (serial port locking)
0.001525 main                        (2): CAMLIBS env var not set, using 
compile-time default instead
0.001557 main                        (2): IOLIBS env var not set, using 
compile-time default instead
0.001589 main                        (2): invoked with following arguments:
0.001620 main                        (2):   --debug
0.001652 main                        (2):   --debug-logfile=my-logfile.txt
0.001683 main                        (2):   --capture-image
0.001823 load_settings               (2): Creating gphoto config directory 
('/home/pi/.gphoto')
0.002023 load_settings               (2): Loading settings from file 
'/home/pi/.gphoto/settings'.
0.002192 main                        (2): The user has not specified both a 
model and a port. Try to figure them out.
0.002250 gp_port_info_list_load      (2): Using ltdl to load io-drivers from 
'/usr/lib/arm-linux-gnueabihf/libgphoto2_port/0.12.0'...
0.002610 foreach_func                (2): Called for filename 
'/usr/lib/arm-linux-gnueabihf/libgphoto2_port/0.12.0/disk'.
0.003592 gp_port_library_list        (2): found fstab fsname proc
0.003664 gp_port_library_list        (2): found fstab fsname /dev/mmcblk0p6
0.003746 gp_port_library_list        (2): found fstab fsname /dev/mmcblk0p7
0.004032 gp_port_library_list        (2): found mtab fsname /dev/root
0.004101 gp_port_library_list        (2): found mtab fsname devtmpfs
0.004151 gp_port_library_list        (2): found mtab fsname sysfs
0.004195 gp_port_library_list        (2): found mtab fsname proc
0.004238 gp_port_library_list        (2): found mtab fsname securityfs
0.004284 gp_port_library_list        (2): found mtab fsname tmpfs
0.004377 gp_port_library_list        (2): found mtab fsname devpts
0.004426 gp_port_library_list        (2): found mtab fsname tmpfs
0.004509 gp_port_library_list        (2): found mtab fsname tmpfs
0.004598 gp_port_library_list        (2): found mtab fsname tmpfs
0.004704 gp_port_library_list        (2): found mtab fsname cgroup2
0.004804 gp_port_library_list        (2): found mtab fsname cgroup
0.004847 gp_port_library_list        (2): found mtab fsname cgroup
0.004889 gp_port_library_list        (2): found mtab fsname cgroup
0.004930 gp_port_library_list        (2): found mtab fsname cgroup
0.005082 gp_port_library_list        (2): found mtab fsname cgroup
0.005128 gp_port_library_list        (2): found mtab fsname cgroup
0.005169 gp_port_library_list        (2): found mtab fsname cgroup
0.005211 gp_port_library_list        (2): found mtab fsname cgroup
0.005253 gp_port_library_list        (2): found mtab fsname cgroup
0.005295 gp_port_library_list        (2): found mtab fsname systemd-1
0.005338 gp_port_library_list        (2): found mtab fsname debugfs
0.005424 gp_port_library_list        (2): found mtab fsname sunrpc
0.005517 gp_port_library_list        (2): found mtab fsname mqueue
0.005562 gp_port_library_list        (2): found mtab fsname configfs
0.005664 gp_port_library_list        (2): found mtab fsname /dev/mmcblk0p6
0.005740 gp_port_library_list        (2): found mtab fsname tmpfs
0.005832 gp_port_library_list        (2): found mtab fsname gvfsd-fuse
0.005882 gp_port_library_list        (2): found mtab fsname fusectl
0.006060 foreach_func                (2): Loaded '' ('^disk:') from 
'/usr/lib/arm-linux-gnueabihf/libgphoto2_port/0.12.0/disk'.
0.006104 foreach_func                (2): Called for filename 
'/usr/lib/arm-linux-gnueabihf/libgphoto2_port/0.12.0/ptpip'.
0.007024 foreach_func                (2): Loaded 'PTP/IP Connection' ('ptpip:') 
from '/usr/lib/arm-linux-gnueabihf/libgphoto2_port/0.12.0/ptpip'.
0.007097 foreach_func                (2): Loaded '' ('^ptpip:') from 
'/usr/lib/arm-linux-gnueabihf/libgphoto2_port/0.12.0/ptpip'.
0.007133 foreach_func                (2): Called for filename 
'/usr/lib/arm-linux-gnueabihf/libgphoto2_port/0.12.0/serial'.
0.008422 foreach_func                (2): Loaded 'Serial Port 0' 
('serial:/dev/ttyS0') from 
'/usr/lib/arm-linux-gnueabihf/libgphoto2_port/0.12.0/serial'.
0.008484 foreach_func                (2): Loaded 'Serial Port Device' 
('serial:') from '/usr/lib/arm-linux-gnueabihf/libgphoto2_port/0.12.0/serial'.
0.008520 foreach_func                (2): Loaded '' ('^serial:') from 
'/usr/lib/arm-linux-gnueabihf/libgphoto2_port/0.12.0/serial'.
0.008558 foreach_func                (2): Called for filename 
'/usr/lib/arm-linux-gnueabihf/libgphoto2_port/0.12.0/usb1'.
0.038514 foreach_func                (2): Loaded '' ('^usb:') from 
'/usr/lib/arm-linux-gnueabihf/libgphoto2_port/0.12.0/usb1'.
0.038605 foreach_func                (2): Loaded 'Universal Serial Bus' 
('usb:001,004') from '/usr/lib/arm-linux-gnueabihf/libgphoto2_port/0.12.0/usb1'.
0.038644 foreach_func                (2): Called for filename 
'/usr/lib/arm-linux-gnueabihf/libgphoto2_port/0.12.0/usbdiskdirect'.
0.039657 foreach_func                (2): Called for filename 
'/usr/lib/arm-linux-gnueabihf/libgphoto2_port/0.12.0/usbscsi'.
0.040475 gp_port_info_list_count     (2): Counting entries (8 available)...
0.040524 gp_port_info_list_count     (2): 4 regular entries available.
0.040604 gp_abilities_list_load_dir  (2): Using ltdl to load camera libraries 
from '/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22'...
0.041628 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/adc65'.
0.041677 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/agfa_cl20'.
0.041712 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/aox'.
0.041745 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/ax203'.
0.041777 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/barbie'.
0.041809 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/canon'.
0.041842 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/casio_qv'.
0.041874 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/clicksmart310'.
0.041958 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/digigr8'.
0.041992 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/digita'.
0.042024 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/dimagev'.
0.042058 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/dimera3500'.
0.042092 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/directory'.
0.042126 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/enigma13'.
0.042159 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/fuji'.
0.042193 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/gsmart300'.
0.042227 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/hp215'.
0.042260 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/iclick'.
0.042294 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/jamcam'.
0.042327 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/jd11'.
0.042358 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/jl2005a'.
0.042392 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/jl2005c'.
0.042426 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/kodak_dc120'.
0.042459 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/kodak_dc210'.
0.042492 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/kodak_dc240'.
0.042525 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/kodak_dc3200'.
0.042559 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/kodak_ez200'.
0.042592 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/konica'.
0.042625 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/konica_qm150'.
0.042659 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/largan'.
0.042693 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/lg_gsm'.
0.042726 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/mars'.
0.042758 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/mustek'.
0.042791 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/panasonic_coolshot'.
0.042835 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/panasonic_dc1000'.
0.042869 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/panasonic_dc1580'.
0.042901 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/panasonic_l859'.
0.042933 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/pccam300'.
0.042965 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/pccam600'.
0.042999 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/pentax'.
0.043034 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/polaroid_pdc320'.
0.043066 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/polaroid_pdc640'.
0.043099 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/polaroid_pdc700'.
0.043131 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/ptp2'.
0.043164 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/ricoh'.
0.043196 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/ricoh_g3'.
0.043273 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/samsung'.
0.043308 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/sierra'.
0.043341 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/sipix_blink2'.
0.043374 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/sipix_web2'.
0.043408 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/smal'.
0.043439 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/sonix'.
0.043471 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/sony_dscf1'.
0.043504 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/sony_dscf55'.
0.043538 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/soundvision'.
0.043570 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/spca50x'.
0.043603 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/sq905'.
0.043635 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/st2205'.
0.043669 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/stv0674'.
0.043701 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/stv0680'.
0.043734 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/sx330z'.
0.043767 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/topfield'.
0.043800 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/toshiba_pdrm11'.
0.043833 foreach_func                (2): Found 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/tp6801'.
0.043878 gp_abilities_list_load_dir  (2): Found 64 camera drivers.
0.166732 gp_port_info_list_count     (2): Counting entries (8 available)...
0.166934 gp_port_info_list_count     (2): 4 regular entries available.
0.166952 gp_port_new                 (2): Creating new device...
0.166978 gp_port_info_list_get_info  (2): Getting info of entry 0 (8 
available)...
0.167361 gp_port_set_settings        (2): Setting settings...
0.167383 gp_port_info_list_get_info  (2): Getting info of entry 1 (8 
available)...
0.167693 gp_port_set_timeout         (2): Setting port timeout to 500 
milliseconds.
0.167711 gp_port_set_settings        (2): Setting settings...
0.167726 gp_port_info_list_get_info  (2): Getting info of entry 2 (8 
available)...
0.167977 gp_port_set_timeout         (2): Setting port timeout to 500 
milliseconds.
0.167993 gp_port_set_settings        (2): Setting settings...
0.168007 gp_port_info_list_get_info  (2): Getting info of entry 3 (8 
available)...
0.177644 gp_port_set_timeout         (2): Setting port timeout to 5000 
milliseconds.
0.177690 gp_port_set_settings        (2): Setting settings...
0.177708 gp_libusb1_update           (2): (old int=0, conf=-1, alt=-1) port 
usb:001,004, (new int=0, conf=-1, alt=-1) port usb:001,004
0.177723 gp_libusb1_update           (2): lowlevel libusb1 port not yet opened, 
no need for libusb changes
0.177738 gp_abilities_list_detect_usb(2): Auto-detecting USB cameras...
0.180322 gp_libusb1_find_device_by_class_lib(2): Looking for USB device (class 
0x29a, subclass, 0xffffffff, protocol 0xffffffff)...
0.182045 gp_libusb1_find_device_by_class_lib(2): Looking for USB device (class 
0x6, subclass, 0x1, protocol 0x1)...
0.182080 gp_libusb1_find_device_by_class_lib(2): Found USB class device (class 
0x6, subclass, 0x1, protocol 0x1)
0.182104 gp_libusb1_find_device_by_class_lib(2): inep to look for is 81
0.182122 gp_libusb1_find_device_by_class_lib(2): Detected defaults: config 1, 
interface 0, altsetting 0, idVendor ID 2672, idProduct 0049, inep 81, outep 01, 
intep 82
0.182138 gp_abilities_list_detect_usb(2): Found 'USB PTP Class Camera' 
(0x6,0x1,0x1)
0.182196 gp_port_free                (2): Freeing port...
0.182240 gp_port_close               (2): Closing port...
0.182824 gp_camera_set_abilities     (2): Setting abilities ('USB PTP Class 
Camera')...
0.182864 gp_setting_set              (2): Setting key 'model' to value 'USB PTP 
Class Camera' (gphoto2)
0.182882 save_settings               (2): Saving 2 setting(s) to file 
"/home/pi/.gphoto/settings"
0.183196 gp_port_info_list_lookup_path(2): Looking for path 'usb:001,004' (8 
entries available)...
0.183219 gp_port_info_list_get_info  (2): Getting info of entry 3 (8 
available)...
0.183236 gp_camera_set_port_info     (2): Setting port info for port 'Universal 
Serial Bus' at 'usb:001,004'...
0.193001 gp_port_set_timeout         (2): Setting port timeout to 5000 
milliseconds.
0.193039 gp_port_set_settings        (2): Setting settings...
0.193058 gp_libusb1_update           (2): (old int=0, conf=-1, alt=-1) port 
usb:001,004, (new int=0, conf=-1, alt=-1) port usb:001,004
0.193072 gp_libusb1_update           (2): lowlevel libusb1 port not yet opened, 
no need for libusb changes
0.193090 gp_setting_set              (2): Setting key 'port' to value 
'usb:001,004' (gphoto2)
0.193108 save_settings               (2): Saving 2 setting(s) to file 
"/home/pi/.gphoto/settings"
0.193449 gp_camera_init              (2): Initializing camera...
0.193488 gp_port_set_error [gphoto2-port.c:1190](0): The supplied vendor or 
product id (0x0,0x0) is not valid.
0.193528 gp_libusb1_find_device_by_class_lib(2): Looking for USB device (class 
0x6, subclass, 0x1, protocol 0x1)...
0.193553 gp_libusb1_find_device_by_class_lib(2): Found USB class device (class 
0x6, subclass, 0x1, protocol 0x1)
0.193576 gp_libusb1_find_device_by_class_lib(2): inep to look for is 81
0.193594 gp_libusb1_find_device_by_class_lib(2): Detected defaults: config 1, 
interface 0, altsetting 0, idVendor ID 2672, idProduct 0049, inep 81, outep 01, 
intep 82
0.193607 gp_camera_init              (2): Loading 
'/usr/lib/arm-linux-gnueabihf/libgphoto2/2.5.22/ptp2'...
0.198328 gp_port_open                (2): Opening USB port...
0.198376 gp_libusb1_open             (2): ()
0.198446 gp_libusb1_open             (2): claiming interface 0
0.198469 gp_libusb1_open [libusb1.c:431](0): 'libusb_claim_interface 
(port->pl->dh, port->settings.usb.interface)' failed: Resource busy (-6)
0.198499 gp_port_set_error [gphoto2-port.c:1190](0): Could not claim interface 
0 (Device or resource busy). 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.
0.198995 gp_context_error            (0): An error occurred in the io-library 
('Could not claim the USB device'): Could not claim interface 0 (Device or 
resource busy). 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.
0.199947 gp_camera_free              (2): Freeing camera...
0.199973 gp_port_free                (2): Freeing port...
0.199985 gp_port_close               (2): Closing port...
0.201116 gp_port_set_error [gphoto2-port.c:1190](0): Could not release 
interface 0 (Device or resource busy).
0.201430 gp_filesystem_reset         (2): resetting filesystem
0.201450 gp_filesystem_lru_clear     (2): Clearing fscache LRU list...
0.201463 gp_filesystem_lru_clear     (2): fscache LRU list already empty
0.201477 delete_all_folders          (2): Internally deleting all folders from 
'/'...
0.201491 lookup_folder               (2): Lookup folder '/'...
0.201504 lookup_folder               (2): Found! / is 0x1a3dd60
0.201518 recurse_delete_folder       (2): Recurse delete folder 0x1a3dd60//
For debugging messages, please use the --debug option.
Debugging messages may help finding a solution to your problem.
If you intend to send any error or debug messages to the gphoto
developer mailing list <gphoto-devel@lists.sourceforge.net>, please run
gphoto2 as follows:

    env LANG=C gphoto2 --debug --debug-logfile=my-logfile.txt --summary

Please make sure there is sufficient quoting around the arguments.

For debugging messages, please use the --debug option.
Debugging messages may help finding a solution to your problem.
If you intend to send any error or debug messages to the gphoto
developer mailing list <gphoto-devel@lists.sourceforge.net>, please run
gphoto2 as follows:

    env LANG=C gphoto2 --debug --debug-logfile=my-logfile.txt --list-all-config

Please make sure there is sufficient quoting around the arguments.

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