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Re: [Spca50x-devs] FYI: status of 0ac8:307b




Hi Jean-François,

Grab does not create any toto.jpg file, instead the only text output is:

width: 640 bytesperline:640 height:480 sizeimage:921600
--> sizeimage: 921600
select timeout
lordroger@piv:~/Desktop/caca$

I've activated the debut trace with 'echo 0x3f > /sys/module/gspca_main/parameters/debug' and I've attached the kernel messages from the moment I plug the cam. I hope there's something useful in it!

Regards, 

The other possibility is that you cannot get a picture (grab stays
hung). In this case, activate the debug trace by:
        echo 0x3f > /sys/module/gspca_main/parameters/debug
Then, plug the camera, do the grab and send me the kernel trace.

usb 2-2: new full speed USB device using uhci_hcd and address 4
usb 2-2: configuration #1 chosen from 1 choice
zc3xx: camera probe
gspca: probing 0ac8:307b
zc3xx: Sensor OV7620
gspca: probe ok
gspca: opening
gspca: open OK
gspca: querycap
gspca main driver: v4l2 ioctl VIDIOC_QUERYCAP, dir=r- (0x80685600)
gspca main driver: driver=zc3xx, card=Ldlc VC302+Ov7620, bus=0000:00:1d.1, version=0x00000018, capabilities=0x05000001
gspca main driver: err:
gspca main driver: v4l2 ioctl VIDIOC_CROPCAP, dir=rw (0xc02c563a)
gspca main driver: v4l2 ioctl VIDIOC_S_FMT, dir=rw (0xc0cc5605)
gspca main driver: type=video-cap
gspca main driver: width=640, height=480, format=JPEG, field=interlaced, bytesperline=0 sizeimage=0, colorspace=0
gspca: set fmt cap JPEG 640x480
gspca: try fmt cap JPEG 640x480
gspca: reqbufs 4
gspca: frame alloc fr_sz: 307200
gspca: new fr_sz: 921600
gspca: reqbufs st:0 c:4
gspca main driver: v4l2 ioctl VIDIOC_REQBUFS, dir=rw (0xc0145608)
gspca main driver: count=4, type=video-cap, memory=mmap
gspca: querybuf
gspca main driver: v4l2 ioctl VIDIOC_QUERYBUF, dir=rw (0xc0445609)
gspca main driver: 00:00:00.00000000 index=0, type=video-cap, bytesused=0, flags=0x00000000, field=1, sequence=0, memory=mmap, offset/userptr=0x00000000, length=921600
gspca main driver: timecode= 00:00:00 type=0, flags=0x00000000, frames=0, userbits=0x00000000
gspca: mmap start:b7d6f000 size:921600
gspca: querybuf
gspca main driver: v4l2 ioctl VIDIOC_QUERYBUF, dir=rw (0xc0445609)
gspca main driver: 00:00:00.00000000 index=1, type=video-cap, bytesused=0, flags=0x00000000, field=1, sequence=0, memory=mmap, offset/userptr=0x000e1000, length=921600
gspca main driver: timecode= 00:00:00 type=0, flags=0x00000000, frames=0, userbits=0x00000000
gspca: mmap start:b7c8e000 size:921600
gspca: querybuf
gspca main driver: v4l2 ioctl VIDIOC_QUERYBUF, dir=rw (0xc0445609)
gspca main driver: 00:00:00.00000000 index=2, type=video-cap, bytesused=0, flags=0x00000000, field=1, sequence=0, memory=mmap, offset/userptr=0x001c2000, length=921600
gspca main driver: timecode= 00:00:00 type=0, flags=0x00000000, frames=0, userbits=0x00000000
gspca: mmap start:b7bad000 size:921600
gspca: querybuf
gspca main driver: v4l2 ioctl VIDIOC_QUERYBUF, dir=rw (0xc0445609)
gspca main driver: 00:00:00.00000000 index=3, type=video-cap, bytesused=0, flags=0x00000000, field=1, sequence=0, memory=mmap, offset/userptr=0x002a3000, length=921600
gspca main driver: timecode= 00:00:00 type=0, flags=0x00000000, frames=0, userbits=0x00000000
gspca: mmap start:b7acc000 size:921600
gspca: qbuf 0
gspca: qbuf q:1 i:0 o:0
gspca main driver: v4l2 ioctl VIDIOC_QBUF, dir=rw (0xc044560f)
gspca main driver: 00:00:00.00000000 index=0, type=video-cap, bytesused=0, flags=0x00000002, field=0, sequence=0, memory=mmap, offset/userptr=0x00000000, length=0
gspca main driver: timecode= 00:00:00 type=0, flags=0x00000000, frames=0, userbits=0x00000000
gspca: qbuf 1
gspca: qbuf q:2 i:0 o:0
gspca main driver: v4l2 ioctl VIDIOC_QBUF, dir=rw (0xc044560f)
gspca main driver: 00:00:00.00000000 index=1, type=video-cap, bytesused=0, flags=0x00000002, field=0, sequence=0, memory=mmap, offset/userptr=0x00000000, length=0
gspca main driver: timecode= 00:00:00 type=0, flags=0x00000000, frames=0, userbits=0x00000000
gspca: qbuf 2
gspca: qbuf q:3 i:0 o:0
gspca main driver: v4l2 ioctl VIDIOC_QBUF, dir=rw (0xc044560f)
gspca main driver: 00:00:00.00000000 index=2, type=video-cap, bytesused=0, flags=0x00000002, field=0, sequence=0, memory=mmap, offset/userptr=0x00000000, length=0
gspca main driver: timecode= 00:00:00 type=0, flags=0x00000000, frames=0, userbits=0x00000000
gspca: qbuf 3
gspca: qbuf q:0 i:0 o:0
gspca main driver: v4l2 ioctl VIDIOC_QBUF, dir=rw (0xc044560f)
gspca main driver: 00:00:00.00000000 index=3, type=video-cap, bytesused=0, flags=0x00000002, field=0, sequence=0, memory=mmap, offset/userptr=0x00000000, length=0
gspca main driver: timecode= 00:00:00 type=0, flags=0x00000000, frames=0, userbits=0x00000000
gspca main driver: v4l2 ioctl VIDIOC_STREAMON, dir=-w (0x40045612)
gspca main driver: type=video-cap
gspca: stream on
gspca: init transfer nbalt 8
gspca: use ISOC alt 7 ep 0x81
gspca: iso packet size 896
zc3xx: Light freq set to 50HZ mode
gspca: stream on OK JPEG 640x480
gspca: poll
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: poll
gspca: closing
gspca: kill transfer
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: isoc irq
gspca: stream off OK
gspca: frame free
gspca: closed
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