Abu Ahmad ibn Adi al-Jarjani: They criticized his memorization
Abu Hatim al-Razi: He is not praised and he is not strong
Abu Dawud al-Sijistani: Weak
Abu Zur'ah al-Razi: Not strong
Ahmad ibn Hanbal: He narrated Munkar hadiths
Ahmad ibn Shu'ayb al-Nasa'i: He is a rejector of hadith, and once: There is something in his hadith
Ahmad ibn Salih al-Jili: Trustworthy
Ibn Hajar al-Asqalani: Lenient in hadith
al-Daraqutni: He is not strong nor a Hafiz, and once he said: Weak
al-Dhahabi: There is weakness in him
Yahya ibn Ma'in: Trustworthy