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Lee Archer

2007-Jan-05 00:47 UTC

[asterisk-users] chan_zap.c: Failed to read gains: Invalid argument

I am running Asterisk 1.2.14 and Zaptel 1.2.12 and using a Digium TE110P
card in E1 mode.  I've recently noticed in my logs the following

Jan  5 01:27:11 VERBOSE[22490] logger.c:  [chan_zap.so]Jan  5 01:27:11
VERBOSE[22490] logger.c:  [chan_zap.so] => (Zapata Telephony w/PRI)
Jan  5 01:27:11 VERBOSE[22490] logger.c:   == Parsing
'/etc/asterisk/zapata.conf': Jan  5 01:27:11 VERBOSE[22490] logger.c:
== Parsing '/etc/asterisk/zapata.conf': Found
Jan  5 01:27:11 DEBUG[22490] chan_zap.c: Failed to read gains: Invalid
argument
Jan  5 01:27:11 DEBUG[22490] chan_zap.c: Failed to read gains: Invalid
argument
Jan  5 01:27:11 DEBUG[22490] chan_zap.c: Updated conferencing on 1, with
0 conference users
Jan  5 01:27:11 VERBOSE[22490] logger.c:     -- Registered channel 1,
PRI Signalling signalling
Jan  5 01:27:11 DEBUG[22490] chan_zap.c: Failed to read gains: Invalid
argument
Jan  5 01:27:11 DEBUG[22490] chan_zap.c: Failed to read gains: Invalid
argument
Jan  5 01:27:11 DEBUG[22490] chan_zap.c: Updated conferencing on 2, with
0 conference users
Jan  5 01:27:11 VERBOSE[22490] logger.c:     -- Registered channel 2,
PRI Signalling signalling
Jan  5 01:27:11 DEBUG[22490] chan_zap.c: Failed to read gains: Invalid
argument
Jan  5 01:27:11 DEBUG[22490] chan_zap.c: Failed to read gains: Invalid
argument
Jan  5 01:27:11 DEBUG[22490] chan_zap.c: Updated conferencing on 3, with
0 conference users
Jan  5 01:27:11 VERBOSE[22490] logger.c:     -- Registered channel 3,
PRI Signalling signalling
Jan  5 01:27:11 DEBUG[22490] chan_zap.c: Failed to read gains: Invalid
argument
Jan  5 01:27:11 DEBUG[22490] chan_zap.c: Failed to read gains: Invalid
argument
Jan  5 01:27:11 DEBUG[22490] chan_zap.c: Updated conferencing on 4, with
0 conference users
Jan  5 01:27:11 VERBOSE[22490] logger.c:     -- Registered channel 4,
PRI Signalling signalling
Jan  5 01:27:11 DEBUG[22490] chan_zap.c: Failed to read gains: Invalid
argument
Jan  5 01:27:11 DEBUG[22490] chan_zap.c: Failed to read gains: Invalid
argument
Jan  5 01:27:11 DEBUG[22490] chan_zap.c: Updated conferencing on 5, with
0 conference users
Jan  5 01:27:11 VERBOSE[22490] logger.c:     -- Registered channel 5,
PRI Signalling signalling
Jan  5 01:27:11 DEBUG[22490] chan_zap.c: Failed to read gains: Invalid
argument
Jan  5 01:27:11 DEBUG[22490] chan_zap.c: Failed to read gains: Invalid
argument
Jan  5 01:27:11 DEBUG[22490] chan_zap.c: Updated conferencing on 6, with
0 conference users
Jan  5 01:27:11 VERBOSE[22490] logger.c:     -- Registered channel 6,
PRI Signalling signalling
Jan  5 01:27:11 DEBUG[22490] chan_zap.c: Failed to read gains: Invalid
argument
Jan  5 01:27:11 DEBUG[22490] chan_zap.c: Failed to read gains: Invalid
argument
Jan  5 01:27:11 DEBUG[22490] chan_zap.c: Updated conferencing on 7, with
0 conference users
Jan  5 01:27:11 VERBOSE[22490] logger.c:     -- Registered channel 7,
PRI Signalling signalling
Jan  5 01:27:11 DEBUG[22490] chan_zap.c: Failed to read gains: Invalid
argument
Jan  5 01:27:11 DEBUG[22490] chan_zap.c: Failed to read gains: Invalid
argument
Jan  5 01:27:11 DEBUG[22490] chan_zap.c: Updated conferencing on 8, with
0 conference users
Jan  5 01:27:11 VERBOSE[22490] logger.c:     -- Registered channel 8,
PRI Signalling signalling
Jan  5 01:27:11 VERBOSE[22490] logger.c:     -- Automatically generated
pseudo channel
Jan  5 01:27:11 VERBOSE[22490] logger.c:   == Starting D-Channel on span
1

Which seems to suggest that I've done something wrong with the rx and
txgain option in /etc/asterisk/zapata.conf.  But these haven't been
changed in 18 months and still say

; You may also set the default receive and transmit gains (in dB)
;
rxgain=4.0
txgain=0.0

Have I done something wrong or has something changed?

Thanks

Lee
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Eric "ManxPower" Wieling

2007-Jan-05 01:11 UTC

head link

[asterisk-users] chan_zap.c: Failed to read gains: Invalid argument

Lee Archer wrote:> I am running Asterisk 1.2.14 and Zaptel 1.2.12 and using a Digium TE110P 
> card in E1 mode.  I've recently noticed in my logs the following
> 
> Jan  5 01:27:11 VERBOSE[22490] logger.c:  [chan_zap.so]Jan  5 01:27:11 
> VERBOSE[22490] logger.c:  [chan_zap.so] => (Zapata Telephony w/PRI)
> 
> Jan  5 01:27:11 VERBOSE[22490] logger.c:   == Parsing 
> '/etc/asterisk/zapata.conf': Jan  5 01:27:11 VERBOSE[22490]
logger.c:
> == Parsing '/etc/asterisk/zapata.conf': Found
> 
> Jan  5 01:27:11 DEBUG[22490] chan_zap.c: Failed to read gains: Invalid 
> argument
> Jan  5 01:27:11 DEBUG[22490] chan_zap.c: Failed to read gains: Invalid 
> 
> Which seems to suggest that I've done something wrong with the rx and 
> txgain option in /etc/asterisk/zapata.conf.  But these haven't been 
> changed in 18 months and still say
> 
> ; You may also set the default receive and transmit gains (in dB)
> ;
> rxgain=4.0
> txgain=0.0
> 
> Have I done something wrong or has something changed?
Don't use fractional gains.  i.e. use rxgain=4 and txgain=0

Tzafrir Cohen

2007-Jan-05 01:53 UTC

head link

[asterisk-users] chan_zap.c: Failed to read gains: Invalid argument

On Fri, Jan 05, 2007 at 07:47:15AM -0000, Lee Archer
wrote:> I am running Asterisk 1.2.14 and Zaptel 1.2.12 and using a Digium TE110P
> card in E1 mode.  I've recently noticed in my logs the following
> 
> Jan  5 01:27:11 VERBOSE[22490] logger.c:  [chan_zap.so]Jan  5 01:27:11
> VERBOSE[22490] logger.c:  [chan_zap.so] => (Zapata Telephony w/PRI)
> Jan  5 01:27:11 VERBOSE[22490] logger.c:   == Parsing
> '/etc/asterisk/zapata.conf': Jan  5 01:27:11 VERBOSE[22490]
logger.c:
> == Parsing '/etc/asterisk/zapata.conf': Found
> Jan  5 01:27:11 DEBUG[22490] chan_zap.c: Failed to read gains: Invalid
> argument
> Jan  5 01:27:11 DEBUG[22490] chan_zap.c: Failed to read gains: Invalid
> argument
This is a debug message and not even a warning message. I'm not sure
that this is something to worry about.

The code there tries to first read the gains and set the gains based on
them. The return value from the ioctl that sets the gains does not seem
to be checked in several code pathes, though. So it may actually fail
silently.

Do you get the same debug messages on 'reload chan_zap.so' ?

-- 
               Tzafrir Cohen       
icq#16849755                    jabber:tzafrir@jabber.org
+972-50-7952406           mailto:tzafrir.cohen@xorcom.com       
http://www.xorcom.com  iax:guest@local.xorcom.com/tzafrir

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