Anyway this is the list of patches i just installed
PHCO_27120 umount(1M) cumulative patch
PHCO_31923 libc cumulative header file patch
PHCO_32036 mkdir(1) cumulative patch
PHCO_33136 ioscan(1M) cumulative patch
PHCO_33205 mountall, Dev IDs enabler, iSCSI support
PHCO_34214 libpam_unix cumulative patch
PHCO_34509 ksh(1) cumulative patch
PHCO_34837 auto_parms/set_parms/dhcpdb2conf
PHCO_35331 at/cron/batch cumulative patch
PHCO_35743 libc cumulative patch
PHCO_35811 mksf(1M) cumulative patch
PHCO_35845 fsck_hfs(1M) cumulative patch, iSCSI
PHCO_35875 sdiff(1) cumulative patch
PHCO_35895 ioinit(1M) patch
PHKL_24554 vPar enablement, spinlock patch
PHKL_25652 thread nostop for NFS, rlimit max value
PHKL_28122 signals,threads enhancement,Psets Enablement
PHKL_28474 signal cumulative patch
PHKL_29243 vPar enablement, cumulative patch
PHKL_29704 Psets Enablement, SCHED_NOAGE, FSS
PHKL_30034 Psets Enablement Patch; FSS cap
PHKL_30105 remove mem module and LPMC syslog msgs
PHKL_30398 KI FSS ID and KI_rfscall
PHKL_30607
lpq,KRS,DU MP,LVM,VM,DaS,IF
PHKL_32002 physio thread performance degradation
PHKL_32668 vPar enablement,DLKM load panic
PHKL_33408 RTSCHED performance enablement patch
PHKL_33436 select_enh tunable;Buffer Cache Perf
PHKL_34100 pstat data page fault,new STREAMS functions
PHKL_34173 select(2) delay, hang
PHKL_34309
,pset,slpq ,fss,lwp,cleanpt
PHKL_34311 thread abrt,suspend,DaS,physio,cleanpt
PHKL_34548 vPars panic;Syscall
m_lock
PHKL_34805 JFS3.3 patch; mmap
PHKL_34926 Buffer cache performance improvement patch
PHKL_34986 LVM Cumulative Patch; LVM OLR; SLVM 16
PHKL_35050 vPar enablement patch with kwdb support
PHKL_35091 SPP fragmentation;AIO;EVP;ufalloc;dup2
PHKL_35281 Core PM,vPar,Pset,slpq,FSS,rtprio,cleanpt
PHKL_35282 clock sync err, invalid gethrtime val
PHKL_35399 vPar cumulative patch
PHKL_35421 Ioscan/INTRMIGR/ioconfig cumulative patch
PHKL_35422 GIO Cumulative Patch
PHKL_35564 mmap(2) fails with ENOMEM, VM vfork(2) fix
PHKL_35693 netdiag1 MP-driver and default nproc
PHKL_35795 VM vPar Fix for no equivalently mapped
PHNE_28349 rbootd(1M) cumulative patch
PHNE_30425 elm patch
PHNE_34777 Cumulative STREAMS Patch
PHNE_34988 J2793B X.25 SX25-HPerf/SYNC-WAN
PHNE_35183 cumulative ARPA Transport patch
PHNE_35418 ONC/NFS General Release/Performance Patch
PHNE_35484 sendmail(1M) 8.9.3 patch
PHSS_32977 Xserver cumulative patch
PHSS_35249 CDE Base Periodic Patch
PHSS_35379 ld(1) and linker tools cumulative patch
PHSS_35434 CDE Applications Patch
PHSS_35711 X/Motif Runtime Periodic Patch