Sayyiduna Khabbab (may Allah be pleased with him) narrated: "I used to set up the 'anazah for the Messenger of Allah (peace and blessings be upon him)."
Qays bin Abi Hazim (may Allah have mercy on him) narrated: We went in to Sayyiduna Khabbab (may Allah be pleased with him), and he had had himself cauterised. He said: Had I not heard the Messenger of Allah (peace and blessings be upon him) say: "None of you should ever wish for death," I would have wished for it.
Qays (may Allah have mercy on him) narrated: We went in to Sayyiduna Khabbab (may Allah be pleased with him), and he had had himself cauterised in seven places. He said: Had I not heard the Messenger of Allah (peace and blessings be upon him) say: "None of you should wish for death," I would have wished for it.
Hadith Referenceالمعجم الكبير للطبراني / باب الخاء / 3629