Asterisk CLI Warning Messages

I have an FreePBX server that is running Asterisk 11.8.1 and FreePBX 2.11.0.38. I am getting warning messages from the Asterisk CLI that I can’t find any information on, and am not getting on any of my other FreePBX boxes.

Can anyone provide insight as to what is happening?

[2014-10-07 11:47:19] WARNING[16264][C-00000000]: channel.c:1337 __ast_queue_frame: Unable to write to alert pipe on Message/ast_msg_queue (qlen = 106): Resource temporarily unavailable!
[2014-10-07 11:47:19] WARNING[16264][C-00000000]: channel.c:1337 __ast_queue_frame: Unable to write to alert pipe on Message/ast_msg_queue (qlen = 107): Resource temporarily unavailable!
[2014-10-07 11:47:19] WARNING[16264][C-00000000]: channel.c:1337 __ast_queue_frame: Unable to write to alert pipe on Message/ast_msg_queue (qlen = 108): Resource temporarily unavailable!
[2014-10-07 11:47:19] WARNING[16264][C-00000000]: channel.c:1337 __ast_queue_frame: Unable to write to alert pipe on Message/ast_msg_queue (qlen = 109): Resource temporarily unavailable!
[2014-10-07 11:47:19] WARNING[16264][C-00000000]: channel.c:1337 __ast_queue_frame: Unable to write to alert pipe on Message/ast_msg_queue (qlen = 110): Resource temporarily unavailable!
[2014-10-07 11:47:26] WARNING[16264][C-00000000]: channel.c:1337 __ast_queue_frame: Unable to write to alert pipe on Message/ast_msg_queue (qlen = 111): Resource temporarily unavailable!
[2014-10-07 11:47:26] WARNING[16264][C-00000000]: channel.c:1337 __ast_queue_frame: Unable to write to alert pipe on Message/ast_msg_queue (qlen = 112): Resource temporarily unavailable!

Sorry this isn’t a solution, it’s just a me too.

Perhaps we can analyse the issue and see what’s common between us.

Are you using Digium phones and the DPMA module?

Yes I am. I have 5 systems all using the DPMA.