I keep getting this error
[Nov 8 22:51:31] ERROR[8192]: taskprocessor.c:614
__allocate_taskprocessor: Unable to start taskprocessor listener for taskprocessor bbe08c34-9d1c-4e5f-8ae0-0cc75289caca
[Nov 8 22:51:31] ERROR[8192]: taskprocessor.c:245
default_listener_shutdown: pthread_join(): Cannot allocate memory
[Nov 8 22:51:31] ERROR[8192]: taskprocessor.c:614
__allocate_taskprocessor: Unable to start taskprocessor listener for taskprocessor f30fcb95-d290-4bb1-8008-290b79342c01
[Nov 8 22:51:31] ERROR[8192]: taskprocessor.c:245
default_listener_shutdown: pthread_join(): Cannot allocate memory
[Nov 8 22:51:31] ERROR[8192]: taskprocessor.c:614
__allocate_taskprocessor: Unable to start taskprocessor listener for taskprocessor 38660bf7-eec2-4ce6-a9d7-63c8178a0556
[Nov 8 22:51:31] ERROR[8192]: taskprocessor.c:245
default_listener_shutdown: pthread_join(): Cannot allocate memory

After 18 instances of Asterisk using parameter
-C /etc/asterisk1/asterisk.conf
-C /etc/asterisk2/asterisk.conf
-C /etc/asterisk3/asterisk.conf etc. The machine has 180 GB of RAM and 16 cores. ulimit -a core file size (blocks, -c) 0
data seg size (kbytes, -d) unlimited scheduling priority (-e) 0
file size (blocks, -f) unlimited pending signals (-i) 1048576
max locked memory (kbytes, -l) unlimited max memory size (kbytes, -m) unlimited open files (-n) 1048576
pipe size (512 bytes, -p) 8
POSIX message queues (bytes, -q) 819200
real-time priority (-r) 0
stack size (kbytes, -s) 8192
cpu time (seconds, -t) unlimited max user processes (-u) unlimited virtual memory (kbytes, -v) unlimited

resources is plenty free -h
total used free shared buff/cache available Mem: 177G 60G 111G 508K 5.4G
116G
Swap: 269G 0B 269G

and nothing else runs in the box I am using regular chan_sip

Where do I go from here?

Your help is appreciated.