Abu Ahmad ibn 'Adi al-Jurjani: Weak, and once: He is not followed in his hadiths
Abu Hatim al-Razi: I wrote about him and he is weak in hadith, and he used to narrate hadiths from major narrators, so I refrained from narrating from him
Abu Hatim ibn Hibban al-Busti: Muhammad ibn Jami' ibn Khanis
Abu Zur'ah al-Razi: He is not truthful in what I have heard about him and he did not read his hadith to us
Abu Ya'la al-Mawsili: He was weak
Ibn 'Abd al-Barr al-Andalusi: Abandoned in hadith
al-Daraqutni: He is not strong
Abdan ibn Ahmad al-Ahwazi: They used to consider him weak