use 2014-12-31 GFX SW stack still can reproduce this issue on BDW:
Libdrm: (master)libdrm-2.4.58-19-gf99522e678dbbaffeca9462a8edcbe900574dc12 Mesa: (master)609c3e51f5ca8abb15867537997369e7e8a678e3 Xf86_video_intel: (master)2.99.917-1-g0d42b0ed25d4112e0b3e3218e5c42947bbeb9e27 Cairo: (master)4a225fca5f121c31ddaa0af80a13bf95a7f21a5b Libva: (master)e97ac9e78cd475a13e722c455e34d5d39d0f059d Libva_intel_driver: (master)43bd81abdde40b50ac71f6f44eb04e4eaf5af5f6 Kernel: (drm-intel-nightly)07d0c831d9207c937595f081c8fddbddbf53756f
use 2014-12-31 GFX SW stack still can reproduce this issue on BDW:
Libdrm: (master) libdrm- 2.4.58- 19-gf99522e678d bbaffeca9462a8e dcbe900574dc12 609c3e51f5ca8ab b15867537997369 e7e8a678e3 2.99.917- 1-g0d42b0ed25d4 112e0b3e3218e5c 42947bbeb9e27 4a225fca5f121c3 1ddaa0af80a13bf 95a7f21a5b e97ac9e78cd475a 13e722c455e34d5 d39d0f059d intel_driver: (master) 43bd81abdde40b5 0ac71f6f44eb04e 4eaf5af5f6 nightly) 07d0c831d9207c9 37595f081c8fddb ddbf53756f
Mesa: (master)
Xf86_video_intel: (master)
Cairo: (master)
Libva: (master)
Libva_
Kernel: (drm-intel-