black and white spots in Photoshop cs 6

[shaizz14378092]

Hi everyone im very new to Photoshop im facing some problem in post production im getting wired black spots while im working in 32 bit channel while i convert my 32bit to 16bit channel using smart object im getting white spots in my image  can anyone help me with this please it would be great help

[c.pfaffenbichler · Accepted solution]

How does it look with a Background Layer behind the SO?

Does turning off »Use Graphics Processor« in the Performance Preferences (Photoshop > Preferences > Performance > Graphic Processor Settings) and restarting Photoshop have any bearing on the issue? (Or whatever it was called in CS6.)