code:

 REMOVE the old module if present
ERROR: Module gspca does not exist in /proc/modules

 CLEAN gspca source tree
rm -r -f *.o decoder/.gspcadecoder.o.cmd decoder/*.o \
        .gspca.o.cmd  *.o *.ko *.mod.* .[a-z]* core *.i \
        *.symvers *.err

 COMPILE gspca Please Wait ....!!

 INSTALL gspca in the kernel binary tree
mkdir -p /lib/modules/`uname -r`/kernel/drivers/usb/media/
rm -f /lib/modules/`uname -r`/kernel/drivers/usb/media/spca5xx.ko
rm -f /lib/modules/`uname -r`/kernel/drivers/media/video/gspca.ko
install -c -m 0644 gspca.ko /lib/modules/`uname -r`/kernel/drivers/usb/media/
install: cannot stat `gspca.ko': No such file or directory
make: *** [install] Error 1

 LOAD gspca in memory
WARNING: Could not open '/lib/modules/2.6.22.1-default/kernel/drivers/media/video/v4l1-compat.ko': No such file or directory
WARNING: Could not open '/lib/modules/2.6.22.1-default/kernel/drivers/media/video/videodev.ko': No such file or directory
WARNING: Error inserting compat_ioctl32 (/lib/modules/2.6.22.1-default/kernel/drivers/media/video/compat_ioctl32.ko): Unknown symbol in module, or unknown parameter (see dmesg)
FATAL: Error inserting gspca (/lib/modules/2.6.22.1-default/kernel/drivers/usb/media/gspca.ko): Unknown symbol in module, or unknown parameter (see dmesg)

 PRINT COMPILATION MESSAGES if ERRORS look kgspca.err
make -C /lib/modules/`uname -r`/build SUBDIRS=/home/pub/webcam/gspca-20060930/gspcav1-01.00.10 CC=cc modules
make[1]: Entering directory `/usr/src/linux-2.6.22.1'
  CC [M]  /home/pub/webcam/gspca-20060930/gspcav1-01.00.10/gspca_core.o
/home/pub/webcam/gspca-20060930/gspcav1-01.00.10/gspca_core.c: In function 'gspca_init_transfert':
/home/pub/webcam/gspca-20060930/gspcav1-01.00.10/gspca_core.c:973: warning: assignment from incompatible pointer type
  

code:

# modprobe gspca

WARNING: Could not open '/lib/modules/2.6.22.1-default/kernel/drivers/media/video/v4l1-compat.ko': No such file or directory
WARNING: Could not open '/lib/modules/2.6.22.1-default/kernel/drivers/media/video/videodev.ko': No such file or directory
WARNING: Error inserting compat_ioctl32 (/lib/modules/2.6.22.1-default/kernel/drivers/media/video/compat_ioctl32.ko): Unknown symbol in module, or unknown parameter (see dmesg)
FATAL: Error inserting gspca (/lib/modules/2.6.22.1-default/kernel/drivers/usb/media/gspca.ko): Unknown symbol in module, or unknown parameter (see dmesg)
  

code:

# dmesg

compat_ioctl32: Unknown symbol v4l_printk_ioctl
gspca: Unknown symbol v4l_compat_ioctl32
gspca: Unknown symbol video_devdata
gspca: Unknown symbol video_unregister_device
gspca: Unknown symbol video_device_alloc
gspca: Unknown symbol video_register_device
gspca: Unknown symbol video_usercopy
gspca: Unknown symbol video_device_release
  

code:

# locate gspca.ko
/home/pub/webcam/gspcav1-20071224/.gspca.ko.cmd
/home/pub/webcam/gspcav1-20071224/gspca.ko
/lib/modules/2.6.22.1-default/kernel/drivers/usb/media/gspca.ko
  

code:


# lsusb

Bus 006 Device 001: ID 0000:0000
Bus 007 Device 002: ID 046d:08cc Logitech, Inc.
Bus 007 Device 001: ID 0000:0000
Bus 001 Device 001: ID 0000:0000
Bus 005 Device 001: ID 0000:0000
Bus 002 Device 001: ID 0000:0000
Bus 004 Device 001: ID 0000:0000
Bus 003 Device 001: ID 0000:0000