[asterisk-users] Problem configuring TDM400

[Dave Fullerton]

Mike wrote:
> Folks,
> 
> I have a Xen Asterisk VM with a TDM400 card.  When I try to run
> dahdi_cfg, I get:
> 
> tempest:~# dahdi_cfg -vvv
> DAHDI Tools Version - 2.2.0
> 
> DAHDI Version: 2.2.0
> Echo Canceller(s): 
> Configuration
> ======================
> 
> 
> Channel map:
> 
> Channel 01: FXO Kewlstart (Default) (Echo Canceler: none) (Slaves: 01)
> Channel 03: FXS Kewlstart (Default) (Echo Canceler: none) (Slaves: 03)
> Channel 04: FXS Kewlstart (Default) (Echo Canceler: none) (Slaves: 04)
> 
> 3 channels to configure.
> 
> DAHDI_CHANCONFIG failed on channel 1: No such device or address (6)
> 
> The card appears to be detected:
> 
> tempest:~# lspci
> 00:00.0 Network controller: Tiger Jet Network Inc. Tiger3XX Modem/ISDN
> interface
> 
> I have the kernel modules loaded:
> 
> tempest:~# lsmod
> Module                  Size  Used by
> wctdm                  35024  0 
> dahdi                 185352  1 wctdm
> crc_ccitt               2848  1 dahdi
> autofs4                18500  0 
> ipv6                  236612  10 
> ext3                  106664  1 
> jbd                    43092  1 ext3
> mbcache                 8260  1 ext3
> dm_mirror              16288  0 
> dm_log                  9444  1 dm_mirror
> dm_snapshot            15108  0 
> dm_mod                 47304  3 dm_mirror,dm_log,dm_snapshot
> raid1                  19200  0 
> md_mod                 69180  1 raid1
> thermal_sys            11624  0
> 
> [ 1327.030178] dahdi: Telephony Interface Registered on major 196
> [ 1327.030253] dahdi: Version: 2.2.0
> 
> I have Googled for this problem and found a lot of people reporting the
> issue but nobody really having much of an answer!  I've seen the issue a
> few times.  The strange thing is that I did have things working but then
> I rebotoed the box and it seems to have given up.
> 
> I have a fairly straight forward DAHDI config file which has served me
> perfectly well in the past.
> 
> tempest:~# cat /etc/dahdi/system.conf
> # Autogenerated by /usr/sbin/dahdi_genconf on Fri Jul  3 09:56:12 2009
> # If you edit this file and execute /usr/sbin/dahdi_genconf again,
> # your manual changes will be LOST.
> # Dahdi Configuration File
> #
> # This file is parsed by the Dahdi Configurator, dahdi_cfg
> #
> # Global data
> 
> loadzone        = uk
> defaultzone     = uk
> 
> fxoks=1
> fxsks=3,4
> 
> I have tried only bringing up certain channels but that still fails.
> 
> Does anyone have any idea what could be wrong?
> 
> Mike.
> 

Did do all the device files show up in /dev/dahdi/ ?

You should have something close to this:

root at jaguar:~# ls -l /dev/dahdi/
total 0
crw-rw---- 1 asterisk asterisk 196,   1 2009-07-05 09:32 1
crw-rw---- 1 asterisk asterisk 196,   2 2009-07-05 09:32 2
crw-rw---- 1 asterisk asterisk 196,   3 2009-07-05 09:32 3
crw-rw---- 1 asterisk asterisk 196,   4 2009-07-05 09:32 4
crw-rw---- 1 asterisk asterisk 196, 254 2009-07-05 09:32 channel
crw-rw---- 1 asterisk asterisk 196,   0 2009-07-05 09:32 ctl
crw-rw---- 1 asterisk asterisk 196, 255 2009-07-05 09:32 pseudo
crw-rw---- 1 asterisk asterisk 196, 253 2009-07-05 09:32 timer


-Dave