We have seen this message into an alert.log for a database. The problem is that it has reached the maximum limit of processes that can be created in the system. The parameter is increase at kernel level and the problem is solved. The spawner in Oracle is responsible for creating new process (in unix executes a fork () system call).
6-APR-2015 17:48:48.69: Errors in file $1$DGA5834:[OPRA.][BACKGROUND]JUPITER1_OPRA_BG_PSP0_003.TRC;: ORA-27300: OS system dependent operation:skgpspawn_error failed with status: 148 ORA-27301: OS failure message: error 148 ORA-27302: failure occurred at: skgpspawn3 6-APR-2015 17:48:48.80: Process m000 died, see its trace file 6-APR-2015 17:48:48.82: ksvcreate: Process(m000) creation failed 6-APR-2015 17:49:50.30: Process startup failed, error stack:
HTH – Antonio NAVARRO