VP9Decoding crashes on HSW

[fritsch]

From the Mailing List HSW should not be able to decode VP9 in a hybrid way at all, see: http://lists.freedesktop.org/archives/libva/2015-September/003524.html

But VP9 capabailities are newer the less enumerated on my hsw gpu:

fritsch@t440s:~/Desktop/xbmc-fritsch/xbmc$ vainfo 
libva info: VA-API version 0.38.1
libva info: va_getDriverName() returns 0
libva info: Trying to open /usr/local/lib/dri/i965_drv_video.so
libva info: Found init function __vaDriverInit_0_38
libva info: va_openDriver() returns 0
vainfo: VA-API version: 0.38 (libva 1.6.3.pre1)
vainfo: Driver version: Intel i965 driver for Intel(R) Haswell Mobile - 1.6.3.pre1 (1.6.1-84-ga7803c0)
vainfo: Supported profile and entrypoints
      VAProfileMPEG2Simple            : VAEntrypointVLD
      VAProfileMPEG2Simple            : VAEntrypointEncSlice
      VAProfileMPEG2Main              : VAEntrypointVLD
      VAProfileMPEG2Main              : VAEntrypointEncSlice
      VAProfileH264ConstrainedBaseline: VAEntrypointVLD
      VAProfileH264ConstrainedBaseline: VAEntrypointEncSlice
      VAProfileH264Main               : VAEntrypointVLD
      VAProfileH264Main               : VAEntrypointEncSlice
      VAProfileH264High               : VAEntrypointVLD
      VAProfileH264High               : VAEntrypointEncSlice
      VAProfileH264MultiviewHigh      : VAEntrypointVLD
      VAProfileH264MultiviewHigh      : VAEntrypointEncSlice
      VAProfileH264StereoHigh         : VAEntrypointVLD
      VAProfileH264StereoHigh         : VAEntrypointEncSlice
      VAProfileVC1Simple              : VAEntrypointVLD
      VAProfileVC1Main                : VAEntrypointVLD
      VAProfileVC1Advanced            : VAEntrypointVLD
      VAProfileNone                   : VAEntrypointVideoProc
      VAProfileJPEGBaseline           : VAEntrypointVLD
      VAProfileH264MultiviewHigh      : VAEntrypointVLD
      VAProfileH264MultiviewHigh      : VAEntrypointEncSlice
      VAProfileH264StereoHigh         : VAEntrypointVLD
      VAProfileH264StereoHigh         : VAEntrypointEncSlice
      VAProfileVP9Profile0            : VAEntrypointVLD

Consequently it crashes hard when decoding VP9 with that driver:
Backtrace: http://sprunge.us/DBAe

If HSW does not support VP9 it should not be exposed by the hybrid driver.

[userofryzen]

for me vp9 decoding on haswell refresh is not failing. Desktop i5 4690 here.

[Brainiarc7]

This will only work on Haswell refresh SKUs.