Administrator cannot setup debug logs for Certain Users

In winter ’14 administration cannot setup debug logs for Certain Users (Ex: Partner User) and work around for this is just do the following steps.

• Get the id of the user which you want to add in Debug Logs  (userId)
• Login in to workbench (https://workbench.developerforce.com/)
• Click on REST Explorer under Utilities
• select the GET and run the below query on and click on execute

/services/data/v29.0/tooling/query/?q=SELECT%20Id%20FROM%20TraceFlag where TracedEntityId = ‘userId’

• GET the Trace flag Id
•  Click on records Folder and get the copy the traceFlagId  (traceFlagId)
• Select DELETE method and run the below query/services/data/v29.0/tooling/sobjects/TraceFlag/traceFlagId
• Now you try to add the user in debug log as follows
• setup -> Monitor -> Logs -> Debug logs -> Click on new and add the user.