encoding h264 with Media SDK 2013 R2.

hi,

I encode h264 1080i with media sdk 2013 R2  ,The machine will crash, sometimes for hours, sometimes to 4-5 days.The keyboard and mouse are not response, display in the crash of the time.

I am using cpu i7 4770 HD4600 driver ver: 10. 18.10.3345

OS:win7 64bit.

The EncParams is  HW d3d9:

IOPattern = MFX_IOPATTERN_IN_VIDEO_MEMORY

PicStruct = MFX_PICSTRUCT_FIELD_TFF

GopPicSize = 16

GopRefDist = 3

TargetUsage=1

thanks

Jone.