[ 14.447911] WARNING: CPU: 1 PID: 427 at /build/buildd/linux-3.13.0/drivers/gpu/drm/i915/intel_opregion.c:266 swsci+0x2ec/0x300 [i915]() [ 14.447914] excessive driver sleep timeout (DSPL) 1000
[ 14.447911] WARNING: CPU: 1 PID: 427 at /build/ buildd/ linux-3. 13.0/drivers/ gpu/drm/ i915/intel_ opregion. c:266 swsci+0x2ec/0x300 [i915]()
[ 14.447914] excessive driver sleep timeout (DSPL) 1000