Abu Ahmad ibn Adi Al-Jarjani: Weak, he steals Hadith
Abu Al-Fath Al-Azdi: They only spoke about him out of envy
Abu Zur'a Ar-Razi: He refused to narrate from him
Ahmad ibn Shuayb An-Nasa'i: He is not trustworthy
Musa ibn Harun Al-Hammal: Imposing, very strong, and he was accused of fabricating Hadith
Yahya ibn Ma'in: He is nothing