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[steve at vanwambeck.net]

Hi all,
I have a fresh install of Asterisk 11.8.1 and am putting a Digium TE435 4 T1 card in it for ISDN PRI. I can get the card to be recognised by the DAHDI utilities but when I put in the file "chan_dahdi.conf" with either the generated file from samples with what seem to be appropriate settings or with the basic config as outlined on the DAHDI install guide the Asterisk "core show help" display is missing all the "dahdi" and "pri" commands.If I remove the "chan_dahdi.conf" file and restart Asterisk the commands magically reappear. I have gone back and checked on menuselect but don't see anything obvious that I have missed to support this function. I have run out of ideas on how to integrate this. The documentation makes it sound pretty simple but I have been fighting this for a week now with no success.
I am not seeing any parse errors from the module reload command:asteriskpbx*CLI> module reload chan_dahdi.soasteriskpbx*CLI>The truncated output from "core show help" is:core stop when convenient Shut down Asterisk at empty call volumecore waitfullybooted Wait for Asterisk to be fully booteddata get Data API getdata show providers Show data providers... ....resencestate change Change a custom presence statepresencestate list List currently know custom presence statesrealtime destroy Delete a row from a RealTime databaserealtime load Used to print out RealTime variables.I can restart the asteriskpbx process without the "chan_dahdi.conf" file and all the dahdi and pri commands are present. The "chan_dahdi.conf" file I am loading is a basic file from the DAHDI instructions. Even the sample file will not correctly load up either.asteriskpbx@asteriskpbx:/etc/asterisk$ cat chan_dahdi.conf[trunkgroups][channels]usecallerid = yeshidecallerid = nocallwaiting = yesusecallingpres = yescallwaitingcallerid = yesthreewaycalling = yestransfer = yescanpark = yescancallforward = yescallreturn = yesechocancel = yesechocancelwhenbridged = yesrelaxdtmf = yesrxgain = 0.0txgain = 0.0group = 1callgroup = 1pickupgroup = 1immediate = noswitchtype = 5esssignalling = pri_cpecontext = incomingechocancel = yeschannel = 1-23

Any suggestions on what I am missing would be greatly appreciated.
Steve VanWambeck

[joshdmetzger at gmail.com]

Try starting Asterisk with the -f option.  It will NOT fork into the background so you will see all messages on startup (including any that might not end up in the log file).  Search for DAHDI errors which will likely be there.


Also, if you configure everything and start DAHDI but don't start Asterisk and run "dahdi_tool", is it showing you the circuits in an "OK" state?


Josh



On Wed, Apr 16, 2014 at 5:25 PM, <steve@vanwambeck.net (steve@vanwambeck.net)> wrote:

[steve at vanwambeck.net]

Josh,
Yes, I only have one span currently connected, the other 3 are looped. With the Asterisk process stopped I do see the OK on the "dahdi_tool" screen.

I am not seeing any sort of errors in the /var/log/asterisk directory but when I start asterisk manually with the -f option I do get the following:

Unable to open '/dev/dahdi/channel': Permission deniedUnable to open channel 1: Permission deniedhere = 0, tmp->channel = 1, channel = 1Unable to register channel '1-23'
Looking at the /dev/dahdi directory I see the following:
snip
lrwxrwxrwx 1 root root 12 Apr 15 11:30 95 -> chan/004/023lrwxrwxrwx 1 root root 12 Apr 15 11:30 96 -> chan/004/024drwxr-xr-x 6 root root 120 Apr 15 11:30 chancrw-rw---- 1 root root 196, 254 Apr 15 11:30 channelcrw-rw---- 1 root root 196, 0 Apr 15 11:30 ctldrwxr-xr-x 2 root root 80 Apr 15 11:30 devicescrw-rw---- 1 root root 196, 255 Apr 15 11:30 pseudocrw-rw---- 1 root root 196, 253 Apr 15 11:30 timerroot@asteriskpbx:/dev/dahdi ([email]root@asteriskpbx:/dev/dahdi[/email])# cd
I compiled the dahdi package under "sudo su", perhaps that is what is wrong???

Steve

[steve at vanwambeck.net]

(resend in plain text)...

Josh,

Yes, I only have one span currently connected, the other 3 are looped.
With the Asterisk process stopped I do see the OK on the "dahdi_tool"
screen.

I am not seeing any sort of errors in the /var/log/asterisk directory
but when I start asterisk manually with the -f option I do get the
following:

Unable to open '/dev/dahdi/channel': Permission denied
Unable to open channel 1: Permission denied
here = 0, tmp->channel = 1, channel = 1
Unable to register channel '1-23'
poll() failed: Interrupted system call

Looking at the /dev/dahdi directory I see the following:
snip
lrwxrwxrwx 1 root root 12 Apr 15 11:30 95 -> chan/004/023
lrwxrwxrwx 1 root root 12 Apr 15 11:30 96 -> chan/004/024
drwxr-xr-x 6 root root 120 Apr 15 11:30 chan
crw-rw---- 1 root root 196, 254 Apr 15 11:30 channel
crw-rw---- 1 root root 196, 0 Apr 15 11:30 ctl
drwxr-xr-x 2 root root 80 Apr 15 11:30 devices
crw-rw---- 1 root root 196, 255 Apr 15 11:30 pseudo
crw-rw---- 1 root root 196, 253 Apr 15 11:30 timer
root@asteriskpbx:

I compiled the dahdi package under "sudo su", perhaps that is what is
wrong???

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[seandarcy2 at gmail.com]

On 04/16/2014 05:42 PM, Josh Metzger wrote:

[steve at vanwambeck.net]

Sean,
Yes, it is:

asteriskpbx@asteriskpbx:~$ lsmod | grep dahdi
dahdi 227741 2 oct612x,wcte43x
crc_ccitt 12707 1 dahdi
asteriskpbx@asteriskpbx:~$

[steve at vanwambeck.net]

Hello all,
At this point I am at a complete loss as to how to fix my problem. I
have gone back and rebuilt the whole system from the ground up but am
getting the same results. When I start asterisk with the -f option I do
see what the problem appears to be.

Unable to load config skinny.conf, Skinny disabled.
Unable to open '/dev/dahdi/channel': Permission denied
Unable to open channel 1: Permission denied
here = 0, tmp->channel = 1, channel = 1
Unable to register channel '1-23'

This is because the file permissions are not set correctly on the
/dev/dahdi/channel:

crw-rw---- 1 root root 196, 254 Apr 17 15:07 channel

Can anyone provide me with a concise step by step guide, or point me to
one, on building Asterisk 11, DADHI and all? I have pieced together
different components of the process but they seem to be in error. Other
than this one problem the Asterisk system works like a champ. I really
need to get my wtce43x card working and ISDN PRI setup on this platform.

Thanks for your assistance.
Steve

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[rmeyerriecks at digium...]

On Fri, Apr 18, 2014 at 12:22 PM, <steve@vanwambeck.net (steve@vanwambeck.net)> wrote:

[steve at vanwambeck.net]

Russ,
Here is what I am showing:

asteriskpbx@asterisk-pbx:/etc/udev/rules.d$ cat dahdi.rules

ACTION!="add", GOTO="dahdi_add_end"

# DAHDI devices with ownership/permissions for running as non-root
SUBSYSTEM=="dahdi", OWNER="asterisk", GROUP="asterisk",
MODE="0660"

# Backward compat names: /dev/dahdi/<channo>
SUBSYSTEM=="dahdi_channels", SYMLINK+="dahdi/%m"

# Add persistant names as well
SUBSYSTEM=="dahdi_channels", ATTRS{hardware_id}!="",
SYMLINK+="dahdi/devices/%s{hardware_id}/%s{local_spanno}/%n"
SUBSYSTEM=="dahdi_channels", ATTRS{location}!="",
SYMLINK+="dahdi/devices/@%s{location}/%s{local_spanno}/%n"

LABEL="dahdi_add_end"

# hotplug scripts
SUBSYSTEM=="dahdi_devices",
RUN+="%E{DAHDI_TOOLS_ROOTDIR}/usr/share/dahdi/dahdi_handle_device"
SUBSYSTEM=="dahdi_spans",
RUN+="%E{DAHDI_TOOLS_ROOTDIR}/usr/share/dahdi/dahdi_span_config"


-------- Original Message --------
Subject: Re: [asterisk-users] DAHDI loading issue on Asterisk
From: Russ Meyerriecks <rmeyerriecks@digium.com>
Date: Fri, April 18, 2014 12:09 pm
To: Asterisk Users Mailing List - Non-Commercial Discussion
<asterisk-users@lists.digium.com>


On Fri, Apr 18, 2014 at 12:22 PM, <steve@vanwambeck.net> wrote:This is
because the file permissions are not set correctly on the
/dev/dahdi/channel:


Steve,
The default dahdi.rules file specifies the /dev/dahdi/ directory to be
owned by asterisk:asterisk. What's the contents of your
/etc/udev/rules.d/dahdi.rules file?


--
Russ Meyerriecks
Digium, Inc. | Linux Kernel Developer
445 Jan Davis Drive NW - Huntsville, AL 35806 - USA
direct: +1 256-428-6025
Check us out at: www.digium.com & www.asterisk.org



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[rmeyerriecks at digium...]

On Fri, Apr 18, 2014 at 2:58 PM, <steve@vanwambeck.net (steve@vanwambeck.net)> wrote:

[steve at vanwambeck.net]

Russ,
I think that got it... I had to make a slight change to the command
though:
root@asterisk-pbx:/etc/dahdi# chown -R asteriskpbx:asteriskpbx
/dev/dahdi

Astersisk is now showing the dahdi and pri commands. I can see channels
now from the "pri show channels" command. I think I am good to go now.

Thanks for the guidance, have a wonderful weekend!
Steve

-------- Original Message --------
Subject: Re: [asterisk-users] DAHDI loading issue on Asterisk
From: Russ Meyerriecks <rmeyerriecks@digium.com>
Date: Fri, April 18, 2014 1:15 pm
To: Asterisk Users Mailing List - Non-Commercial Discussion
<asterisk-users@lists.digium.com>

On Fri, Apr 18, 2014 at 2:58 PM, <steve@vanwambeck.net> wrote:
Russ,
Here is what I am showing:

asteriskpbx@asterisk-pbx:/etc/udev/rules.d$ cat dahdi.rules

ACTION!="add", GOTO="dahdi_add_end"

# DAHDI devices with ownership/permissions for running as non-root
SUBSYSTEM=="dahdi", OWNER="asterisk", GROUP="asterisk",
MODE="0660"


Hmm, this looks right. Does chan_dahdi.so load up properly if you "chown
-R asterisk:asterisk /dev/dahdi" ?


--
Russ Meyerriecks
Digium, Inc. | Linux Kernel Developer
445 Jan Davis Drive NW - Huntsville, AL 35806 - USA
direct: +1 256-428-6025
Check us out at: www.digium.com & www.asterisk.org



--
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[rmeyerriecks at digium...]

On Fri, Apr 18, 2014 at 3:36 PM, <steve@vanwambeck.net (steve@vanwambeck.net)> wrote:

[steve at vanwambeck.net]

Russ,
OK, I see where the disconnect is now. As I mentioned somewhere along
the line there doesn't seem to be a definative guide on building all of
the things from scratch outside of the "Asterisk. The Definitive Guide
3rd Edition" which does touch on the Linux install and making the
Asterisk user "asteriskpbx". As we now see the DAHDI implementation is
looking for the "asterisk" user. This sure can be a touch confusing.

I did push the server through a restart to see if it would come up and
indeed it did not. Looking at the /dev/dahdi directory everything is set
back to root/root! Time to rebuild the system with the username of
asterisk and go home!!!

Thanks again for the assist.
Steve



Oh I see, udev must have been setting the ownership to root because the
asterisk user/group doesn't exist on your system.


# DAHDI devices with ownership/permissions for running as non-root
SUBSYSTEM=="dahdi", OWNER="asterisk", GROUP="asterisk",
MODE="0660"




In the dahdi.rules file, change the owner and group on this line to
"asteriskpbx" so this fix will persist through a module reload.


--
Russ Meyerriecks
Digium, Inc. | Linux Kernel Developer
445 Jan Davis Drive NW - Huntsville, AL 35806 - USA
direct: +1 256-428-6025
Check us out at: www.digium.com & www.asterisk.org



--
_____________________________________________________________________
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--
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[rmeyerriecks at digium...]

On Fri, Apr 18, 2014 at 4:06 PM, <steve@vanwambeck.net (steve@vanwambeck.net)> wrote: