What is the issue you are seeing. I ran with DVR RDK 4.0 using the decode display demo and don't see any issue.
The following frames are reported to be in error:
[m3video] 1527173:DECLINK::links_m3video/iva_dec/decLink_h264.c:[380]::INTERNAL ERROR:-1
[m3video] ALGPROCESS FAILED:STATUS
[m3video] outArgs->viddec3OutArgs.extendedError for channel 0 Error: 0x2000a00
[m3video] Sequence called number 275
[m3video] 1527208:DECLINK::links_m3video/iva_dec/decLink_h264.c:[380]::INTERNAL ERROR:-1
[m3video] ALGPROCESS FAILED:STATUS
[m3video] outArgs->viddec3OutArgs.extendedError for channel 0 Error: 0x2000a00
[m3video] Sequence called number 277
[m3video] 1534606:DECLINK::links_m3video/iva_dec/decLink_h264.c:[380]::INTERNAL ERROR:-1
[m3video] ALGPROCESS FAILED:STATUS
[m3video] outArgs->viddec3OutArgs.extendedError for channel 0 Error: 0x2000a00
[m3video] Sequence called number 500
[m3video] 1568306:DECLINK::links_m3video/iva_dec/decLink_h264.c:[380]::INTERNAL ERROR:-1
[m3video] ALGPROCESS FAILED:STATUS
[m3video] outArgs->viddec3OutArgs.extendedError for channel 0 Error: 0x2000a00
[m3video] Sequence called number 1519
[m3video] 1579706:DECLINK::links_m3video/iva_dec/decLink_h264.c:[380]::INTERNAL ERROR:-1
[m3video] ALGPROCESS FAILED:STATUS
[m3video] outArgs->viddec3OutArgs.extendedError for channel 0 Error: 0x2000a00
[m3video] Sequence called number 1865
Since the sequence large continuous sequence of P frames the erros start accumulating and you start seeing artifacts. The artifacts get cleared at the next I-frame. This is the same behavior seen with PC player like Elecard stream analyzer also.