It sounds like there might be a locking bug. If you can get me a full backtrace of all the threads on the system and file a bug report on bugs.digium.com, I will take a look at it.

Matthew Fredrickson

On Apr 9, 2007, at 5:41 AM, Vazir wrote:

Matthew,

Made a testbed as of

TESTPC < -- > PC_CHAN_SS7 < -- 4xe1 -- > PC_LIBSS7

So PC_CHAN_SS7 is test1 in logs below
and PC_LIBSS7 is test2

Testpc generates huge load by placing call files to
the /var/spool/asterisk/outgoing and connecting local
extension which plays "hello world" va SIP to PC_CHAN_SS7
which than places an SS7 call to PC_LIBSS7. TESTPC also
records all of the placed calls by Monitor() for further
manual (audial) analysis .

LIBSS7 initially working and there is both-way audio in all
CIC. After a few minutes of the loaded operation it fails
signalling (chan_ss7 PC shows that it looses connection)
but even if I stop asterisk on PC_CHAN_SS7 - the libss7
keeps thinking that there is connection. Restart or any
manipulations on PC_CHAN_SS7 brings no result and to
restore the link asterisk on PC_LIBSS7 must be restarted.

...
Zap/96-1             [EMAIL PROTECTED]:3       Up      Echo()
Zap/98-1             [EMAIL PROTECTED]:3       Up      Echo()
Zap/100-1            [EMAIL PROTECTED]:3       Up      Echo()
Zap/102-1            [EMAIL PROTECTED]:3       Up      Echo()
Zap/103-1            [EMAIL PROTECTED]:3       Up      Echo()
Zap/104-1            [EMAIL PROTECTED]:3       Up      Echo()
Zap/105-1            [EMAIL PROTECTED]:3       Up      Echo()
Zap/113-1            [EMAIL PROTECTED]:3       Up      Echo()
Zap/114-1            [EMAIL PROTECTED]:3       Up      Echo()
93 active channels
95 active calls
test2*CLI>

test2*CLI> ss7 show linkset 1
SS7 linkset 1 status: Up
test2*CLI>


test1*CLI> ss7 link status
linkset test2, link l1, schannel 16, NOT_ALIGNED, rx: 0, tx:
0/4, sentseq/lastack: 127/127, total     76720,     76784
test1*CLI>

test1*CLI> core show channels
Channel              Location             State
Application(Data)
0 active channels
0 active calls
test1*CLI>
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