Abu Ahmad al-Hakim: He is not followed in most of his hadith
Abu Ahmad ibn Adi al-Jurjani: He narrates from al-Asma'i and Muhammad ibn Mus'ab with munkar hadith, and he said: He is from the truthful people to me
Abu Hatim ibn Hibban al-Busti: He sometimes disagreed
Abu Abd Allah al-Hakim al-Naysaburi: An Imam in grammar, and our Shaykhs have remained silent about narrating from him
Ibn Hajar al-'Asqalani: Lenient in hadith
al-Dhahabi: He is not a source to depend on
Yahya ibn Ma'in: Truthful, he has munkar hadith