chan_iax2.c:6699 socket_read: Out of idle IAX2 threads for I

Hi all,

i am running fc6 + asterisk version 1.4.17 + iaxmodem + hylafax,
i have one AEX808 and one TE121P cards. My faxserver was working fine but as i deploy my server in production i am haing the following error
threads for I/O, pausing!
[Mar 30 17:17:04] NOTICE[3251]: chan_iax2.c:6699 socket_read: Out of idle IAX2 threads for I/O, pausing!
[Mar 30 17:17:05] NOTICE[3251]: chan_iax2.c:6699 socket_read: Out of idle IAX2 threads for I/O, pausing!
[Mar 30 17:17:06] NOTICE[3251]: chan_iax2.c:6699 socket_read: Out of idle IAX2 threads for I/O, pausing!
[Mar 30 17:17:07] NOTICE[3251]: chan_iax2.c:6699 socket_read: Out of idle IAX2 threads for I/O, pausing!
[Mar 30 17:17:08] NOTICE[3251]: chan_iax2.c:6699 socket_read: Out of idle IAX2 threads for I/O, pausing!
[Mar 30 17:17:09] NOTICE[3251]: chan_iax2.c:6699 socket_read: Out of idle IAX2 threads for I/O, pausing!
[Mar 30 17:17:10] NOTICE[3251]: chan_iax2.c:6699 socket_read: Out of idle IAX2 threads for I/O, pausing!
[Mar 30 17:17:11] NOTICE[3251]: chan_iax2.c:6699 socket_read: Out of idle IAX2 threads for I/O, pausing!
[Mar 30 17:17:12] NOTICE[3251]: chan_iax2.c:6699 socket_read: Out of idle IAX2 threads for I/O, pausing!
[Mar 30 17:17:13] NOTICE[3251]: chan_iax2.c:6699 socket_read: Out of idle IAX2 threads for I/O, pausing!
[Mar 30 17:17:14] NOTICE[3251]: chan_iax2.c:6699 socket_read: Out of idle IAX2 threads for I/O, pausing!

iax2 show peers >> Online 0

iaxmodem ttyIAX0 >>>> Registration timeout

I have tried to register IDEFISK with the same account used by iaxmodem it failed to register.

anybody have solution?

Running similar config but with Asterisk 1.4.18

I rebooted and the problem has not recurred. Faxing via iaxmodem is now working fine.