DB hangs Post performing SRU 28.4 i.e latest Jan 2018 release

Hi,

After applying latest Solaris 11.3 SRU 28.4 we've observed some new ulimit parameter for oracle user which are as follows

oracle@hbfcbau3db2:~$ ulimit -a

address space limit (Kibytes) (-M) unlimited

core file size (blocks) (-c) unlimited

cpu time (seconds) (-t) unlimited

data size (Kibytes) (-d) unlimited

file size (blocks) (-f) unlimited

locks (-x) not supported

locked address space (Kibytes) (-l) not supported

message queue size (Kibytes) (-q) not supported

nice (-e) not supported

nofile (-n) 65536

nproc (-u) 29995

pipe buffer size (bytes) (-p) 5120

max memory size (Kibytes) (-m) not supported

rtprio (-r) not supported

socket buffer size (bytes) (-b) 5120

sigpend (-i) 128