[linux-dvb] "Invalid section length or timeout" using Kaffeine and Twinhan 102g (aka VP-1022 Rev 2.0?)

Corey Ashford yeroca at yahoo.com
Tue Jan 29 09:29:51 CET 2008

I did some more investigating.  Kaffeine apparently generates an error
under this "invalid section length or timeout" condition, whereas
scandvb treats it as a warning:

% scandvb -l 10750,10750 ~/.kde/share/apps/kaffeine/dvb-s/AMC3-87w 
scanning /root/.kde/share/apps/kaffeine/dvb-s/AMC3-87w
using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
initial transponder 12180000 V 30000000 9
initial transponder 12145000 H 4340000 9
initial transponder 12140000 V 30000000 9
>>> tune to: 12180:v:0:30000
WARNING: filter timeout pid 0x0011
WARNING: filter timeout pid 0x0010
>>> tune to: 12145:h:0:4340
WARNING: filter timeout pid 0x0011
WARNING: filter timeout pid 0x0010
>>> tune to: 12140:v:0:30000
WARNING: filter timeout pid 0x0020
WARNING: filter timeout pid 0x0011
WARNING: filter timeout pid 0x0010
dumping lists (11 services)

There have been some other miscellaneous reports of this problem on the
kaffeine mailing list as well as people reporting the above warning on
this mailing list, but the only solution I have seen was that someone
said they "uninstalled everything xine and reinstalled it and the
problem went away".  I don't know what xine would have to do with this
problem, since I'm not running xine.

I tried moving the DVB-S card to another PCI slot.  No difference.  On
the off chance that my wireless 802.11g card was causing some problems,
I removed it, leaving the DVB-S card the only PCI card plugged in.  No

The good news is that at least I can get a channel list out of scandvb.

The problem is that kaffeine croaks on those timeouts, and I haven't
been able to get MythTV to lock at all.  MythTV is very poorly
documented for setting up DVB-S, and seems quite buggy in that area. 
It looks nice, but it's awfully crumbly and unintuitive to configure.

Anyone know of a DVB viewer that would be more tolerant of these
timeouts?  Or better yet, anyone know of a way to fix the timeout

Thanks for reading,

- Corey

--- Corey Ashford <yeroca at yahoo.com> wrote:

> Hi,
> I've got a satellite antenna setup, aimed at AMC3 (87W).  I'm able to
> use this Twinhan 102g card under Windows, but I'm not able to get any
> channels under Linux.  At first I thought it was a problem with the
> driver for the 102g card, but I think I've convinced myself that the
> message I'm seeing "Unsupported." out of the dst module is ok, and
> just
> represents the module's attempt to find the right tuner.
> The machine does come up with legit looking devices in /dev/dvb:
> % tree /dev/dvb
> /dev/dvb
> `-- adapter0
>     |-- demux0
>     |-- dvr0
>     |-- frontend0
>     `-- net0
> When I used Kaffeine to try to bring in a known stream from a TP on
> the
> satellite, this is the output I get:
> /dev/dvb/adapter0/frontend0 : opened ( DST DVB-S )
> /dev/dvb/0/frontend1 : : No such file or directory
> Loaded epg data : 0 events (0 msecs)
> DvbCam::probe(): /dev/dvb/adapter0/ca0: : No such file or directory
> Using DVB device 0:0 "DST DVB-S"
> tuning DVB-S to 12180000 v 30000000
> inv:2 fecH:9
> DiSEqC: switch pos 0, 13V, loband (index 0)
> DiSEqC: e0 10 38 f0 00 00
> Driving rotor to AMC3-87w
> Rotor: gotoN=29
> Rotation time: 10 sec.
> Transponders: 1/1
> Invalid section length or timeout: pid=17
> Transponders: 1
> dvbsi: The end :)
> Channels found: 0
> I've told kaffeine that my LNB is a H/V with 10750 as the LO on both
> H
> and V.
> I've tried other streams on the same satellite, but I always get this
> Invalid section length or timeout error.
> Any ideas would be appreciated.
> Thanks for your consideration,
> - Corey
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