Re: [libdc1394-devel] VIDEO1394_IOC_LISTEN_CHANNEL ioctl error

[Dan D. <da...@de...>]

Are you using the CVS version of libdc1394? If not, what version?

On Thu, 2004-01-22 at 15:38, Andrew Roth wrote:
> Hi, I'm having problems getting DMA to work.  I get:
>=20
> (dc1394_capture.c) opened video1394 device /dev/video1394v3
> (dc1394_capture.c) VIDEO1394_IOC_LISTEN_CHANNEL ioctl failed!
> Request or argp is not valid.
> unable to setup camera- check line 430 of dc1394_multiview.c to make sure
> that the video mode,framerate and format are supported
> : Invalid argument
> is one supported by your camera
> [root@localhost examples]#
>=20
> I'm pretty sure my device and mode are correct because I can grab images =
in non-DMA mode.
>=20
> I think it might be related to this thread: http://sourceforge.net/mailar=
chive/message.php?msg_id=3D6814185.  In specific, I noticed "I dont mean th=
at far backwards. A kernel as recent as 2.4.20 would not be compatible any =
longer after applying this patch."  (http://sourceforge.net/mailarchive/mes=
sage.php?msg_id=3D6816531)
>=20
> I'm using Red Hat 9 which I've kept updated with the Red Hat Update Agent=
:
>=20
> Linux version 2.4.20-8 (bhc...@po...) (gcc version 3.=
2.2 20030222 (Red Hat Linux 3.2.2-5))
>=20
> Am I getting this because of the kernel version?  Any ideas on how I can =
fix it?
>=20
> Thanks,
> -Andrew Roth
>=20