I don't see any error. In dsmsched.log I see that scheduler (after manula restart) work with schedule normally and stops to wait for the next server prompt. Here is log from dsmsched.log:
04/08/2009 16:05:02 Next operation scheduled:
04/08/2009 16:05:02 ------------------------------------------------------------
04/08/2009 16:05:02 Schedule Name: @154
04/08/2009 16:05:02 Action: Command
04/08/2009 16:05:02 Objects: dsmc backup systemstate
04/08/2009 16:05:02 Options:
04/08/2009 16:05:02 Server Window Start: 13:31:53 on 04/08/2009
04/08/2009 16:05:02 ------------------------------------------------------------
04/08/2009 16:05:02
Executing scheduled command now.
04/08/2009 16:05:02
Executing Operating System command or script:
dsmc backup systemstate
04/08/2009 16:26:08 Finished command. Return code is: 0
04/08/2009 16:26:08 ANS1908I The scheduled command completed successfully.
04/08/2009 16:26:08 Scheduled event '@154' completed successfully.
04/08/2009 16:26:08 Sending results for scheduled event '@154'.
04/08/2009 16:26:08 Session established with server TSM_SERVER1: Windows
04/08/2009 16:26:08 Server Version 5, Release 5, Level 2.0
04/08/2009 16:26:08 Server date/time: 04/08/2009 15:26:08 Last access: 04/08/2009 15:05:21
04/08/2009 16:26:08 Results sent to server for scheduled event '@154'.
04/08/2009 16:26:08 TSM Backup-Archive Client Version 5, Release 5, Level 2.0
04/08/2009 16:26:08 Querying server for next scheduled event.
04/08/2009 16:26:08 Node Name: MYCLIENTNODE
04/08/2009 16:26:08 Session established with server TSM_SERVER1: Windows
04/08/2009 16:26:08 Server Version 5, Release 5, Level 2.0
04/08/2009 16:26:08 Server date/time: 04/08/2009 15:26:08 Last access: 04/08/2009 15:26:08
04/08/2009 16:26:08 --- SCHEDULEREC QUERY BEGIN
04/08/2009 16:26:08 --- SCHEDULEREC QUERY END
04/08/2009 16:26:08 No schedule returned from server.
04/08/2009 16:26:08 Waiting to be contacted by the server.