Got an error from unknown thread

Does anyone know what this error is?

130203 9:05:38 [Warning] Checking table: ‘somedb/sometable’
130203 9:05:38 [ERROR] Got an error from unknown thread, /home/jenkins/workspace/percona-server-5.5-rpms/label_exp/ce ntos6-64/target/BUILD/Percona-Server-5.5.29-rel29.4/Percona- Server-5.5.29-rel29.4/storage/myisam/


Can you describe more that when OR in which scenario you are getting this error? There is already one bug opened for this issue but its unresolved, might be it needs more information. Can you make a test case and add those information in it? Steps which you performed and full error log can be helpful.