The Italian international, included in the Italy squad for this summer’s Confederations Cup, moved to the Dall’Ara on loan a year ago.
Bologna have the option to sign him outright this summer, but the Gazzetta dello Sport has today revealed that further talks are required for the forward.
The 30-year-old striker scored 13 goals in 36 League games for the Rossoblu in the last campaign.
There are suggestions on Tuesday that Bologna have offered to only buy 50 per cent of his contract from the Marassi outfit.
The former Parma and Milan man moved to Genoa in January 2012 from Fiorentina for a fee in the region of €8m (£6.8m) .
Gilardino, linked with Inter recently, has netted 18 goals in 51 caps for his country. Only 13 men have grabbed more for the Azzurri.
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