Next problem with genoil (claymore is stable as rock):

  m  11:24:39|ethminer  Mining on PoWhash #d720ded7 : 218.93MH/s [A160+0:R0+0:F0]
  m  11:24:41|ethminer  Mining on PoWhash #d720ded7 : 220.73MH/s [A160+0:R0+0:F0]
  m  11:24:43|ethminer  Mining on PoWhash #d720ded7 : 220.73MH/s [A160+0:R0+0:F0]
CUDA error in func 'search' at line 346 : unspecified launch failure.
  ✘  11:24:43|cudaminer1  Error CUDA mining: unspecified launch failure
CUDA error in func 'search' at line 346 : unspecified launch failure.
  ✘  11:24:43|cudaminer0  Error CUDA mining: unspecified launch failure
CUDA error in func 'search' at line 346 : unspecified launch failure.
  ✘  11:24:43|cudaminer2  Error CUDA mining: unspecified launch failure
CUDA error in func 'search' at line 346 : unspecified launch failure.
  ✘  11:24:43|cudaminer6  Error CUDA mining: unspecified launch failure
CUDA error in func 'search' at line 346 : unspecified launch failure.
  ✘  11:24:43|cudaminer4  Error CUDA mining: unspecified launch failure
CUDA error in func 'search' at line 346 : unspecified launch failure.
  ✘  11:24:43|cudaminer5  Error CUDA mining: unspecified launch failure
CUDA error in func 'search' at line 346 : unspecified launch failure.
  ✘  11:24:43|cudaminer3  Error CUDA mining: unspecified launch failure
  m  11:24:45|ethminer  Mining on PoWhash #d720ded7 : 57.67MH/s [A160+0:R0+0:F0]
  m  11:24:47|ethminer  Mining on PoWhash #d720ded7 : 0.00MH/s [A160+0:R0+0:F0]
  m  11:24:49|ethminer  Mining on PoWhash #d720ded7 : 0.00MH/s [A160+0:R0+0:F0]
  m  11:24:51|ethminer  Mining on PoWhash #d720ded7 : 0.00MH/s [A160+0:R0+0:F0]
  m  11:24:53|ethminer  Mining on PoWhash #d720ded7 : 0.00MH/s [A160+0:R0+0:F0]
  m  11:24:55|ethminer  Mining on PoWhash #d720ded7 : 0.00MH/s [A160+0:R0+0:F0]
  m  11:24:57|ethminer  Mining on PoWhash #d720ded7 : 0.00MH/s [A160+0:R0+0:F0]
  m  11:24:59|ethminer  Mining on PoWhash #d720ded7 : 0.00MH/s [A160+0:R0+0:F0]

Has anybody a good idea?