ERROR => shmat(32112677,0x(nil),SHM_RND) (12: Cannot allocate memory) [shmux.c 1593]
ERROR => ThShMCreate: ShmCreate SHM_PAGING_AREA failed [thxxhead.c 2749]
ERROR => ThIPCInit: ThShMCreate [thxxhead.c 2170]
Run the sappfpar command against the instance profile and review the output. If possible upload the profile and the sappfpar output.
su - devadm
sappfpar check pf=/usr/sap/DEV/SYS/profile/DEV_DVEBMGS00_linux-9qhs
If possible stop the SAP system and clean the shared memory segments using the cleanipc tool or using the ipcrm command. You can also try starting SAP after restarting the server.
Check if the OS parameters are set as recommended.
Follow these SAP notes.
1275776 - Linux: Preparing SLES for SAP environments
941735 - SAP memory management system for 64-bit Linux systems
Reagan