Nyorai kuenderera mberi kweiyi ndima - Akagadzwa muna Kurume 811 naCaliph al-Amin, achitsiva Hatim ibn Harthamah ibn A'yan. Nokukurumidza pashure pacho zvisinei akamanikidzwa kurwisana nokuputika kwehondo yavagari vemo
Al-Amin nemukoma wake al-Ma'mun, uye pasina nguva refu kuvimbika kwake kwakapfuurira kune wekutanga kwakamuisa mukusawirirana neboka re "jund" remuno rinotungamirwa na al-Sari ibn al-Hakam, iro raifarira kuziva al-Ma'mun semukadzi panzvimbo. Muchirimo cha 812 "jund", nekurudziro yaal-Ma'mun, vakachinja pachena kuvimbika kwavo uye vakapanduka, uye Jabir akakandirwa pasi kubva pachinzvimbo chake. Mutsigiri waal-Ma'mun, Abbad ibn Muhammad ibn Hayyan, akabva atora chigaro uye akatora masimba muFustat, asi zvimwe zvikamu zveEgypt zvakaramba zvakavimbika kuna al-Amin pasi pemutongi anopikisa Rabi'ah ibn Qays ibn Zubayr al-Jurashi.