tsql Process running forever... what is it doing
Download sp_whoisactive stored procedure written by Adam Machanic if you do not have it already. Execute with @get_full_inner_text = 0 option.

From the comment section of the stored procedure:


  --If 1, gets the full stored procedure or running batch, when available
  --If 0, gets only the actual statement that is currently
  running in the batch or procedure
  @get_full_inner_text  = 0