[cpia] Terratec USB does nothing at all

[Peter Pregler]

Hi,

I have had more success with the driver usb-uhci. But I did not find
the time to test it with a 2.4.2. I usually use a plain 2.2.18.

Greetings, Peter

On Sun, Mar 04, 2001 at 04:36:47PM +0100, Jan Kleinluetzum wrote:
> Hi!
> 
> I'm trying to get a TerraCAM USB working with Linux Kernel 2.4.2. It seems
> that both USB subsystem and camera were recognized just fine, but no data gets
> through /dev/video
> 
> Some logs: 
> 
> dmesg
> uhci.c: USB UHCI at I/O 0x7f00, IRQ 11
> uhci.c: detected 2 ports
> usb.c: new USB bus registered, assigned bus number 1
> usb.c: kmalloc IF c38c68c0, numif 1
> usb.c: new device strings: Mfr=0, Product=2, SerialNumber=1
> usb.c: USB device number 1 default language ID 0x0
> Product: USB UHCI-alt Root Hub
> SerialNumber: 7f00
> hub.c: USB hub found
> hub.c: 2 ports detected
> hub.c: standalone hub
> hub.c: ganged power switching
> hub.c: global over-current protection
> hub.c: power on to power good time: 2ms
> hub.c: hub controller current requirement: 0mA
> hub.c: port removable status: RR
> hub.c: local power source is good
> hub.c: no over-current condition exists
> hub.c: enabling power on all ports
> usb.c: hub driver claimed interface c38c68c0
> usb.c: kusbd: /sbin/hotplug add 1
> uhci.c: root-hub INT complete: port1: 49b port2: 48a data: 6
> hub.c: port 1 connection change
> hub.c: port 1, portstatus 101, change 3, 12 Mb/s
> hub.c: port 1, portstatus 103, change 0, 12 Mb/s
> hub.c: USB new device connect on bus1/1, assigned device number 2
> usb.c: kmalloc IF c38c6920, numif 1
> usb.c: new device strings: Mfr=0, Product=1, SerialNumber=0
> usb.c: USB device number 2 default language ID 0x409
> Product: USB Camera
> USB CPiA camera found
> uhci.c: root-hub INT complete: port1: 495 port2: 48a data: 4
> uhci.c: root-hub INT complete: port1: 495 port2: 48a data: 4
> uhci.c: root-hub INT complete: port1: 495 port2: 48a data: 4
> uhci.c: root-hub INT complete: port1: 495 port2: 48a data: 4
>   CPiA Version: 1.30 (2.10)
>   CPiA PnP-ID: 0553:0002:0100
>   VP-Version: 1.0 0141
> usb.c: cpia driver claimed interface c38c6920
> usb.c: kusbd: /sbin/hotplug add 2
> hub.c: port 2 connection change
> hub.c: port 2, portstatus 100, change 3, 12 Mb/s
> uhci.c: root-hub INT complete: port1: 495 port2: 488 data: 4
> hub.c: port 2 enable change, status 100
> 
> ls -l /dev/video*
> lrwxrwxrwx    1 root     root            6 Mar  1 01:48 /dev/video -> video0
> crw-rw----    1 root     video     81,   0 Mar  1 01:48 /dev/video0
> crw-rw----    1 root     video     81,   1 Mar  1 01:48 /dev/video1
> [...]
> 
> lsmod
> Module                  Size  Used by
> uhci                   18640   0  (unused)
> cpia_usb                4384   0  (autoclean) (unused)
> usbcore                50864   1  (autoclean) [uhci cpia_usb]
> cpia                   44560   0  [cpia_usb]
> videodev                4608   1  [cpia]
> 
> strace vidcat
> [...]
> open("/dev/video", O_RDWR)              = 3
> ioctl(3, 0x803c7601, 0xbffffa58)        = 0
> ioctl(3, 0x80887614, 0xbffff9d0)        = 0
> old_mmap(NULL, 811008, PROT_READ|PROT_WRITE, MAP_SHARED, 3, 0) = 0x401a4000
> ioctl(3, 0x40107613
> 
> And that's it, nothing more happens, no errors, no warnings. But the computer does not get locked
> up, it just works fine.
> 
> Any ideas?

-- 
You can weave your life so long - only so long, and then a thing
in the world out of your control will tug at one vital thread
and leave you patternless and subdued.
-------------------------------
Email: Peter_Pregler@email.com