Abu Ahmad ibn Adi Al-Jarjani: I don't know many hadiths from him, but I consider his hadith and recognize his weakness from his truthfulness.
Abu Ja'far Al-'Uqayli: He included a hadith for him in Al-Du'afaa (The Weak Narrators), and said his narration is weak, due to the weakness of Harish ibn Al-Kharit.
Abu Hatim Al-Razi: An old man whose hadith is not proof.
Abu Zur'a Al-Razi: He is mistaken in hadith.
Ibn Hajar Al-'Asqalani: Weak.
Al-Daraqutni: He is considered reliable.
Al-Dhahabi: Mistaken.
Zakaria ibn Yahya Al-Saji: There is weakness in him.
Muhammad ibn Ismail Al-Bukhari: He is questionable.
Yahya ibn Ma'in: He is not bad.