update process is not working Properly in ECC 6.0

Hi!!!!!!!!!!!!!!

We have upgraded our patch level in Ecc 6.0 ,after applying these patches our any update process has been stucked .Its not doing any type of updates in the system.Lots of database update requests are listed in SM13 (For update process) and all update processes are showing the status busy in SM50 .

Our Patch level details are given below.

SAP_BASIS 700 0021 SAPKB70021 SAP Basis Component

SAP_ABA 700 0021 SAPKA70021 Cross-Application Component

Please suggest some solution ASAP.

Thanks and regards

Anil