Frederic Robert wrote: > [Oct 8 14:10] [drm:ironlake_irq_handler [i915]] *ERROR* CPU pipe A FIFO > underrun > [ +0.000083] [drm:ironlake_irq_handler [i915]] *ERROR* PCH transcoder A > FIFO underrun > > Sorry if my english is not good. What's the problem? Have you done upgrades and what is your kernel version and exact card model?