Some warrnings

Hi all,

I am getting some warnnings in Asterisk’s logs. I am not familiar with this error, could anyone please tell me what is this error, is it danger…?

Jan 4 17:58:35 WARNING[30665] channel.c: Avoided initial deadlock for ‘0x9106ef8’, 10 retries!
Jan 4 17:58:40 WARNING[5478] channel.c: Avoided initial deadlock for ‘0x9106ef8’, 10 retries!
Jan 4 17:58:41 WARNING[30665] channel.c: Avoided initial deadlock for ‘0x9106ef8’, 10 retries!
Jan 4 17:58:49 WARNING[5478] channel.c: Avoided initial deadlock for ‘0x9106ef8’, 10 retries!
Jan 4 17:58:57 WARNING[5478] channel.c: Avoided initial deadlock for ‘0x9106ef8’, 10 retries!

Jan 4 12:27:46 NOTICE[5482] chan_sip.c: stale nonce received from '111130 sip:111130@212.xxx.xxx.xxx:1220
Jan 4 12:27:46 NOTICE[5482] chan_sip.c: stale nonce received from ‘111130 sip:111130@212.xxx.xxx.xxx:1220