[asterisk-users] DAHDI_SPANCONFIG failed on span 1: No such device or address (6)

RaMaier at gmx.de RaMaier at gmx.de
Tue Mar 13 09:30:45 CDT 2012

Hi all,

I have problems starting dahdi.
dahdi_cfg -vvv allwasy comes back with:

DAHDI Tools Version -

DAHDI Version:
Echo Canceller(s):

SPAN 1: CCS/ AMI Build-out: 0 db (CSU)/0-133 feet (DSX-1)

Channel map:

Channel 01: Clear channel (Default) (Echo Canceler: kb1) (Slaves: 01)
Channel 02: Clear channel (Default) (Echo Canceler: kb1) (Slaves: 02)
Channel 03: Hardware assisted D-channel (Default) (Echo Canceler: none) (Slaves: 03)

3 channels to configure.

DAHDI_SPANCONFIG failed on span 1: No such device or address (6)

I searched the internet but could not yet find a solution.
I already tried to exchange the zaphfc drivers as suggested, but they did not compile.

I actually did not find a new(er) tutorial how to build an Asterisk with a HFC-S card.

Any suggestions / hints / tutorials / links welcome.

Do I need some special drivers in the kernel ?
Modprobe ?
Anything else special I need ?



I run Debian 6.0.4 with a fresh 2.6.35 Kernel, most drivers compiled as modules.

I installed the newest Asterisk 10.2.0-rc2 and dahdi_sources and compiled them, but same happened with aptitude install dahdi on older kernel.
download Asterisk -> ./configure -> make -> make install -> make samples
download dahdi.tar.bz2 -> make -> make install

driver should be 'zaphfc' but is actually 'hfcpci'
pci:0000:00:0d.0     zaphfc+      1397:2bd0 HFC-S ISDN BRI card

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