On Sat, Dec 10, 2005 at 10:55:51PM +0100, Johannes Stezenbach wrote: > On Sat, Dec 10, 2005, Michael Hanke wrote: > > using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0' > > main:1885: FATAL: FE_GET_INFO failed: 22 Invalid argument > > > > But this time I discovered an additional error message in the dmesg > > output when the scan attempt fails: > > > > ioctl32(scan:5694): Unknown cmd fd(3) cmd(80a86f3d){00} arg(08050260) on > > /dev/dvb/adapter0/frontend0 > > > > What does that mean? > > > > There might be one thing that could be a problem. I'm using an AMD64 > > kernel but the userspace is all 32bit. This was no problem for any part > > of the system till now, but I don't now whether it is one for the issue. > > The error message is emitted from > linux/fs/compat.c:compat_ioctl_error(). > > However, AFAIK there are no 32/64bit problems in DVB ioctl > definitions (otherwise we'd have to define compat_ioctl > translation hooks). > > Are you sure your devices nodes are properly defined? > > $ l /dev/dvb/adapter0/frontend0 > crw-rw---- 1 root video 212, 3 Dec 5 13:14 /dev/dvb/adapter0/frontend0 I think the nodes are ok: $ ll /dev/dvb/adapter0/ insgesamt 0 crw-rw---- 1 root video 212, 4 2005-12-11 09:20 demux0 crw-rw---- 1 root video 212, 5 2005-12-11 09:20 dvr0 crw-rw---- 1 root video 212, 3 2005-12-11 09:20 frontend0 crw-rw---- 1 root video 212, 7 2005-12-11 09:20 net0 I'm still trying, but made no progress so far. Am I right to assume that anyone has this device running (or that it should be possible). I'm asking, because I still have the option to send this thing back and get a different one. But I would prefer to keep it. Thanks for your effort. Cheers, Michael -- GPG key: 1024D/3144BE0F Michael Hanke http://apsy.gse.uni-magdeburg.de/hanke ICQ: 48230050 -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 189 bytes Desc: Digital signature Url : http://www.linuxtv.org/pipermail/linux-dvb/attachments/20051211/5ce451db/attachment.pgp