[asterisk-bugs] [Asterisk 0016094]: iax2 show cache, locks channels.

[Asterisk Bug Tracker]

A NOTE has been added to this issue. 
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https://issues.asterisk.org/view.php?id=16094 
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Reported By:                alecdavis
Assigned To:                
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Project:                    Asterisk
Issue ID:                   16094
Category:                   Channels/chan_iax2
Reproducibility:            always
Severity:                   major
Priority:                   normal
Status:                     new
Asterisk Version:           SVN 
JIRA:                        
Regression:                 No 
Reviewboard Link:            
SVN Branch (only for SVN checkouts, not tarball releases): N/A 
SVN Revision (number only!): 224448 
Request Review:              
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Date Submitted:             2009-10-18 22:38 CDT
Last Modified:              2009-10-18 22:52 CDT
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Summary:                    iax2 show cache, locks channels.
Description: 
Executing 'iax2 show cache' lock iax.
On debian, /etc/init.d/asterisk restart fails to kill asterisk process.

This is repeatable on 1.6.1 lastest branch, and latest trunk.

DAHDI channels become unusable, SIP reports
"Oct 19 16:23:26] WARNING[23802]: chan_sip.c:6308 sip_write: Asked to
transmit frame type 64, while native formats is 0x8 (alaw)(8) read/write =
0x8 (alaw)(8)/0x8 (alaw)(8)
"

====================================================================== 

---------------------------------------------------------------------- 
 (0112400) alecdavis (reporter) - 2009-10-18 22:52
 https://issues.asterisk.org/view.php?id=16094#c112400 
---------------------------------------------------------------------- 
Finally after a few more dial attempts across and IAX link: CHANUNAVAIL

   -- Executing [8699 at trusted:1] Dial("SIP/GXP0001-08afcf00",
"IAX2/astridtest/8899,,r") in new stack
[Oct 19 16:34:56] WARNING[23808]: app_dial.c:1786 dial_exec_full: Unable
to create channel of type 'IAX2' (cause 20 - Unknown)
  == Everyone is busy/congested at this time (1:0/0/1)
    -- Auto fallthrough, channel 'SIP/GXP0001-08afcf00' status is
'CHANUNAVAIL'

Unable to Unload module:

test*CLI> module unload chan_iax2.so
Unable to unload resource chan_iax2.so
Command 'module unload chan_iax2.so ' failed.
[Oct 19 16:36:15] WARNING[23807]: loader.c:490 ast_unload_resource: Soft
unload failed, 'chan_iax2.so' has use count 1
test*CLI>

Peer is now UNREACHABLE:

test*CLI> iax2 show peers
Name/Username    Host                 Mask             Port         
Status
astridtest/astr  192.168.5.253   (S)  255.255.255.255  4569 (T)     
UNREACHABLE
1 iax2 peers [0 online, 1 offline, 0 unmonitored]
test*CLI>

test*CLI> iax2 show threads
IAX2 Thread Information
Idle Threads:
Active Threads:
Thread D26: state=2, update=1255923808, actions=1, func='socket_process'
Thread D25: state=2, update=1255923808, actions=1, func='socket_process'
Thread D24: state=2, update=1255923808, actions=1, func='socket_process'
Thread D23: state=2, update=1255923808, actions=1, func='socket_process'
Thread D22: state=2, update=1255923808, actions=1,
func='attempt_transmit'
Thread D21: state=2, update=1255923808, actions=1,
func='attempt_transmit'
Thread D20: state=2, update=1255923808, actions=1, func='socket_process'
Thread D19: state=2, update=1255923808, actions=1, func='socket_process'
Thread D18: state=2, update=1255923808, actions=1, func='socket_process'
Thread D17: state=2, update=1255923808, actions=1, func='socket_process'
Thread D16: state=2, update=1255923808, actions=1, func='socket_process'
Thread D15: state=2, update=1255923808, actions=1, func='socket_process'
Thread D14: state=2, update=1255923808, actions=1, func='socket_process'
Thread D13: state=2, update=1255923808, actions=1, func='socket_process'
Thread D12: state=2, update=1255923808, actions=1, func='socket_process'
Thread D11: state=2, update=1255923808, actions=1, func='socket_process'
Thread D10: state=2, update=1255923808, actions=1, func='socket_process'
Thread D9: state=2, update=1255923808, actions=1, func='socket_process'
Thread D8: state=2, update=1255923808, actions=1, func='socket_process'
Thread D7: state=2, update=1255923808, actions=1, func='socket_process'
Thread D6: state=2, update=1255923808, actions=1, func='socket_process'
Thread D5: state=2, update=1255923808, actions=1, func='socket_process'
Thread D4: state=2, update=1255923808, actions=1, func='socket_process'
Thread D3: state=2, update=1255923808, actions=1, func='socket_process'
Thread D2: state=2, update=1255923808, actions=1, func='socket_process'
Thread D1: state=2, update=1255923808, actions=1, func='socket_process'
Thread D0: state=2, update=1255923808, actions=1, func='socket_process'
Thread P1: state=2, update=18, actions=15, func='socket_process'
Thread P2: state=2, update=19, actions=15, func='socket_process'
Thread P7: state=2, update=19, actions=14, func='socket_process'
Thread P8: state=2, update=3, actions=14, func='socket_process'
Thread P6: state=2, update=3, actions=15, func='socket_process'
Thread P9: state=2, update=3, actions=15, func='socket_process'
Thread P4: state=2, update=3, actions=15, func='socket_process'
Thread P5: state=2, update=18, actions=15, func='socket_process'
Thread P3: state=2, update=18, actions=15, func='socket_process'
Thread P10: state=2, update=28, actions=14, func='socket_process'
Dynamic Threads:
37 of 10 threads accounted for with 0 dynamic threads
test*CLI> 

Issue History 
Date Modified    Username       Field                    Change               
====================================================================== 
2009-10-18 22:52 alecdavis      Note Added: 0112400                          
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