Abu Ahmad al-Hakim: He makes many mistakes and blunders, and once: He has many munkar narrations
Abu Hatim al-Razi: He is okay, he was good in hadith, he memorized hadith
Abu Hatim ibn Hibban al-Busti: He mentioned him among the trustworthy narrators
Abu Hafs Umar ibn Shahin: He mentioned him among the trustworthy narrators
Ahmad ibn Hanbal: He is reliable, and once: He narrated hadiths from Shu'bah that no one else narrated, and once: He is okay, but there are mistakes in his hadith
Ibn Hajar al-Asqalani: Saduq (truthful) but he makes mistakes
Al-Dhahabi: Saduq (truthful) but he narrates strange hadiths
Muhammad ibn Ammar al-Mawsili: They say he is trustworthy
Authors of Tahrir Taqrib al-Tahdhib: Saduq Hasan al-Hadith
Yahya ibn Ma'in: He is okay