thr3ads.net - asterisk users - [asterisk-users] Ignore switch to REVERSED Polarity on channel 1, state 4 [Mar 2009]

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Steve Howes
2009-Mar-16 13:39 UTC
[asterisk-users] Ignore switch to REVERSED Polarity on channel 1, state 4

Hi,

Trying to trace an asterisk hang on a production (it had to be didn't  
it) system. The last thing before it crashed was

[Mar 16 12:32:42] DEBUG[7754] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 4
[Mar 16 12:54:34] DEBUG[7754] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 2, state 4
[Mar 16 12:54:35] DEBUG[7754] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 2, state 4
[Mar 16 12:55:09] DEBUG[7754] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 2, state 4

Whilst i am aware polarity reversal is normal (clid stuff etc) the  
'state 4' is not... see this grep for 'REVERSED' in full log:

[Mar 16 08:01:22] DEBUG[11561] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 08:05:02] DEBUG[11576] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 08:43:43] DEBUG[11737] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 08:45:16] DEBUG[11747] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 08:50:22] DEBUG[11767] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 08:51:02] DEBUG[11771] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 08:51:40] DEBUG[11776] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 08:52:05] DEBUG[11780] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 2, state 6
[Mar 16 08:53:41] DEBUG[11786] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 08:58:14] DEBUG[11798] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 08:59:55] DEBUG[11803] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 09:11:49] DEBUG[11828] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 09:14:23] DEBUG[11836] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 09:20:47] DEBUG[11851] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 09:26:08] DEBUG[11949] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 09:26:48] DEBUG[11958] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 2, state 6
[Mar 16 09:27:34] DEBUG[11968] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 09:39:19] DEBUG[11999] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 09:45:22] DEBUG[12015] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 09:48:59] DEBUG[12033] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 2, state 4
[Mar 16 09:49:35] DEBUG[12038] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 09:52:00] DEBUG[12046] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 2, state 6
[Mar 16 09:52:02] DEBUG[12045] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 09:53:37] DEBUG[12054] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 09:53:57] DEBUG[12058] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 2, state 6
[Mar 16 09:55:50] DEBUG[12073] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 09:56:01] DEBUG[12076] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 2, state 6
[Mar 16 09:57:26] DEBUG[12081] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 09:58:21] DEBUG[12086] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 10:04:59] DEBUG[12101] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 10:12:43] DEBUG[12117] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 10:17:34] DEBUG[12141] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 10:17:46] DEBUG[12145] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 3, state 6
[Mar 16 10:18:27] DEBUG[12150] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 10:21:42] DEBUG[12164] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 2, state 4
[Mar 16 10:23:10] DEBUG[12172] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 10:39:19] DEBUG[12282] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 10:45:24] DEBUG[12298] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 10:46:15] DEBUG[12303] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 10:50:24] DEBUG[12316] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 10:57:21] DEBUG[12331] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 10:58:57] DEBUG[12338] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 10:59:43] DEBUG[12342] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 11:01:34] DEBUG[12355] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 11:02:27] DEBUG[12360] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 3, state 6
[Mar 16 11:02:50] DEBUG[12364] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 11:07:29] DEBUG[12380] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 2, state 6
[Mar 16 11:10:07] DEBUG[12387] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 11:17:56] DEBUG[12407] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 11:18:01] DEBUG[12408] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 2, state 6
[Mar 16 11:21:11] DEBUG[12436] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 11:25:36] DEBUG[12526] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 11:26:41] DEBUG[12533] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 2, state 6
[Mar 16 11:29:53] DEBUG[12542] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 11:33:10] DEBUG[12556] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 11:36:08] DEBUG[12563] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 11:44:15] DEBUG[12585] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 11:51:51] DEBUG[12601] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 12:02:59] DEBUG[12625] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 12:11:38] DEBUG[12647] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 12:14:37] DEBUG[12655] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 12:19:21] DEBUG[12666] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 12:20:12] DEBUG[12670] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 2, state 6
[Mar 16 12:24:41] DEBUG[12764] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 12:29:31] DEBUG[12788] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 2, state 6
[Mar 16 12:32:42] DEBUG[7754] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 4
[Mar 16 12:54:34] DEBUG[7754] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 2, state 4
[Mar 16 12:54:35] DEBUG[7754] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 2, state 4
[Mar 16 12:55:09] DEBUG[7754] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 2, state 4
[Mar 16 13:09:47] DEBUG[13004] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 13:09:49] DEBUG[13009] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 2, state 6
[Mar 16 13:13:45] DEBUG[13031] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 13:20:24] DEBUG[13047] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 1, state 6
[Mar 16 13:22:07] DEBUG[13054] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 2, state 6
[Mar 16 13:25:46] DEBUG[13153] chan_zap.c: Ignore switch to REVERSED  
Polarity on channel 2, state 6

'6' appears to be the norm for seeing it. Is this coincidence or is  
there some significance? My google-fu has failed to turn up a list of  
zaptel states..

If you need configs etc just say. This is a standard BT (UK) analogue  
line (well, 3 actually, on channels 1-3).

Cheers in advance.

Steve
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