Musannaf Ibn Abi Shayba 8:1441

Abu Bakr narrated to us, he said: Al-Fadl ibn Dukayn narrated to us, from Isra'il, from Ibrahim ibn 'Abd al-A'la, from Suwayd ibn Ghafala, who said: I performed Hajj with Ibn 'Umar, and he entered into the state of Ihram from Dhat 'Irq.