Bug 1619585 Comment 26 Edit History

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Original comment by
on 
Confirmed! The crash only occurs with the new iHD driver and not with the old i965 driver:

`GDK_BACKEND=wayland LIBVA_DRIVER_NAME=i965 ./firefox` works and does not crash.

My drivers:
```
$ ls /usr/lib/x86_64-linux-gnu/dri/*_drv_video.so
/usr/lib/x86_64-linux-gnu/dri/i965_drv_video.so  /usr/lib/x86_64-linux-gnu/dri/nouveau_drv_video.so  /usr/lib/x86_64-linux-gnu/dri/radeonsi_drv_video.so
/usr/lib/x86_64-linux-gnu/dri/iHD_drv_video.so   /usr/lib/x86_64-linux-gnu/dri/r600_drv_video.so
```

I have both installed:
* never iHD https://packages.debian.org/testing/intel-media-va-driver - Apparently preferred since Debian Bullseye (Testing).
* older i965 https://packages.debian.org/testing/i965-va-driver

iHD is used by default:
```
$ vainfo
libva info: VA-API version 1.6.0
libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/iHD_drv_video.so
libva info: Found init function __vaDriverInit_1_6
libva info: va_openDriver() returns 0
vainfo: VA-API version: 1.6 (libva 2.6.0)
vainfo: Driver version: Intel iHD driver - 19.4.0
vainfo: Supported profile and entrypoints
      VAProfileMPEG2Simple            : VAEntrypointVLD
      VAProfileMPEG2Main              : VAEntrypointVLD
      VAProfileH264Main               : VAEntrypointVLD
      VAProfileH264High               : VAEntrypointVLD
      VAProfileJPEGBaseline           : VAEntrypointVLD
      VAProfileH264ConstrainedBaseline: VAEntrypointVLD
      VAProfileVP8Version0_3          : VAEntrypointVLD

$ LIBVA_DRIVER_NAME=i965 vainfo
libva info: VA-API version 1.6.0
libva info: User environment variable requested driver 'i965'
libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/i965_drv_video.so
libva info: Found init function __vaDriverInit_1_5
libva info: va_openDriver() returns 0
vainfo: VA-API version: 1.6 (libva 2.6.0)
vainfo: Driver version: Intel i965 driver for Intel(R) Broadwell - 2.4.0
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
      VAProfileH264StereoHigh         : VAEntrypointVLD
      VAProfileVC1Simple              : VAEntrypointVLD
      VAProfileVC1Main                : VAEntrypointVLD
      VAProfileVC1Advanced            : VAEntrypointVLD
      VAProfileJPEGBaseline           : VAEntrypointVLD
      VAProfileVP8Version0_3          : VAEntrypointVLD
```
Revision 1 by
on 
Confirmed! The crash only occurs with the new iHD driver and not with the old i965 driver:

`GDK_BACKEND=wayland LIBVA_DRIVER_NAME=i965 ./firefox` works and does not crash.

My drivers:
```
$ ls /usr/lib/x86_64-linux-gnu/dri/*_drv_video.so
/usr/lib/x86_64-linux-gnu/dri/i965_drv_video.so  /usr/lib/x86_64-linux-gnu/dri/nouveau_drv_video.so  /usr/lib/x86_64-linux-gnu/dri/radeonsi_drv_video.so
/usr/lib/x86_64-linux-gnu/dri/iHD_drv_video.so   /usr/lib/x86_64-linux-gnu/dri/r600_drv_video.so
```

I have both installed:
* never iHD https://packages.debian.org/testing/intel-media-va-driver - Apparently preferred since Debian Bullseye (Testing).
* older i965 https://packages.debian.org/testing/i965-va-driver

iHD is used by default for my "Mesa DRI Intel(R) Iris 6100 (Broadwell GT3)":
```
$ vainfo
libva info: VA-API version 1.6.0
libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/iHD_drv_video.so
libva info: Found init function __vaDriverInit_1_6
libva info: va_openDriver() returns 0
vainfo: VA-API version: 1.6 (libva 2.6.0)
vainfo: Driver version: Intel iHD driver - 19.4.0
vainfo: Supported profile and entrypoints
      VAProfileMPEG2Simple            : VAEntrypointVLD
      VAProfileMPEG2Main              : VAEntrypointVLD
      VAProfileH264Main               : VAEntrypointVLD
      VAProfileH264High               : VAEntrypointVLD
      VAProfileJPEGBaseline           : VAEntrypointVLD
      VAProfileH264ConstrainedBaseline: VAEntrypointVLD
      VAProfileVP8Version0_3          : VAEntrypointVLD

$ LIBVA_DRIVER_NAME=i965 vainfo
libva info: VA-API version 1.6.0
libva info: User environment variable requested driver 'i965'
libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/i965_drv_video.so
libva info: Found init function __vaDriverInit_1_5
libva info: va_openDriver() returns 0
vainfo: VA-API version: 1.6 (libva 2.6.0)
vainfo: Driver version: Intel i965 driver for Intel(R) Broadwell - 2.4.0
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
      VAProfileH264StereoHigh         : VAEntrypointVLD
      VAProfileVC1Simple              : VAEntrypointVLD
      VAProfileVC1Main                : VAEntrypointVLD
      VAProfileVC1Advanced            : VAEntrypointVLD
      VAProfileJPEGBaseline           : VAEntrypointVLD
      VAProfileVP8Version0_3          : VAEntrypointVLD
```
Revision 2 by
on 
Confirmed! The crash only occurs with the new iHD driver and not with the old i965 driver:

`GDK_BACKEND=wayland LIBVA_DRIVER_NAME=i965 ./firefox` works and does not crash.
https://wiki.archlinux.org/index.php/Hardware_video_acceleration#Configuring_VA-API

My drivers:
```
$ ls /usr/lib/x86_64-linux-gnu/dri/*_drv_video.so
/usr/lib/x86_64-linux-gnu/dri/i965_drv_video.so  /usr/lib/x86_64-linux-gnu/dri/nouveau_drv_video.so  /usr/lib/x86_64-linux-gnu/dri/radeonsi_drv_video.so
/usr/lib/x86_64-linux-gnu/dri/iHD_drv_video.so   /usr/lib/x86_64-linux-gnu/dri/r600_drv_video.so
```

I have both installed:
* never iHD https://packages.debian.org/testing/intel-media-va-driver - Apparently preferred since Debian Bullseye (Testing).
* older i965 https://packages.debian.org/testing/i965-va-driver

iHD is used by default for my "Mesa DRI Intel(R) Iris 6100 (Broadwell GT3)":
```
$ vainfo
libva info: VA-API version 1.6.0
libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/iHD_drv_video.so
libva info: Found init function __vaDriverInit_1_6
libva info: va_openDriver() returns 0
vainfo: VA-API version: 1.6 (libva 2.6.0)
vainfo: Driver version: Intel iHD driver - 19.4.0
vainfo: Supported profile and entrypoints
      VAProfileMPEG2Simple            : VAEntrypointVLD
      VAProfileMPEG2Main              : VAEntrypointVLD
      VAProfileH264Main               : VAEntrypointVLD
      VAProfileH264High               : VAEntrypointVLD
      VAProfileJPEGBaseline           : VAEntrypointVLD
      VAProfileH264ConstrainedBaseline: VAEntrypointVLD
      VAProfileVP8Version0_3          : VAEntrypointVLD

$ LIBVA_DRIVER_NAME=i965 vainfo
libva info: VA-API version 1.6.0
libva info: User environment variable requested driver 'i965'
libva info: Trying to open /usr/lib/x86_64-linux-gnu/dri/i965_drv_video.so
libva info: Found init function __vaDriverInit_1_5
libva info: va_openDriver() returns 0
vainfo: VA-API version: 1.6 (libva 2.6.0)
vainfo: Driver version: Intel i965 driver for Intel(R) Broadwell - 2.4.0
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
      VAProfileH264StereoHigh         : VAEntrypointVLD
      VAProfileVC1Simple              : VAEntrypointVLD
      VAProfileVC1Main                : VAEntrypointVLD
      VAProfileVC1Advanced            : VAEntrypointVLD
      VAProfileJPEGBaseline           : VAEntrypointVLD
      VAProfileVP8Version0_3          : VAEntrypointVLD
```

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