I don't recall white mobs rioting. I do recall every major city had problems with blacks looting. Detroit, Los Angeles (Watts), Miami were not white mobs.
Do you think the people sitting at the segregated lunch counters were greeted with peace and love?
http://news.bbc.co.uk/onthisday/low/dates/stories/october/1/newsid_2538000/2538169.stm
Perhaps this will jog your memory as it seems to be very selective.