On 17/10/13 20:49, Dave Airlie wrote: > In my failing attempts to valgrind qemu (how to people live like > this?), I spotted this in the logs
What are the failures? Do you use emulation or KVM? I know that there seems to be some issues regarding async I/O but otherwise that that it seems to run. (Some KVm ioctls miss special handling, but in general it should work). > > ==19521== Source and destination overlap in memcpy(0x31d38938, 0x31d38938, 64) > ==19521== at 0x4A0A343: memcpy@@GLIBC_2.14 (in > /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so) > ==19521== by 0x42774E: virtio_blk_device_init (virtio-blk.c:686) > ==19521== by 0x46EE9E: virtio_device_init (virtio.c:1158) > ==19521== by 0x25405E: device_realize (qdev.c:178) > ==19521== by 0x2559B5: device_set_realized (qdev.c:699) > ==19521== by 0x3A819B: property_set_bool (object.c:1315) > ==19521== by 0x3A6CE0: object_property_set (object.c:803) > > The memcpy looks completely superfluous. > > Dave. >