igt@kms_frontbuffer_tracking@basic | igt@i915_pm_backlight@basic-brightness - fail - Received signal SIGSEGV.

https://intel-gfx-ci.01.org/tree/drm-tip/IGT_6496/bat-atsm-1/igt@i915_pm_backlight@basic-brightness.html

Received signal SIGSEGV.
Stack trace: 
 #0 [fatal_sig_handler+0xd6]
 #1 [killpg+0x40]
 #2 [igt_display_require+0x260]
 #3 [__igt_unique____real_main182+0x330]
 #4 [main+0x27]
 #5 [__libc_start_main+0xf3]
 #6 [_start+0x2a]

<6> [279.553402] Console: switching to colour dummy device 80x25
<6> [279.553772] [IGT] i915_pm_backlight: executing
<7> [279.559052] [drm:drm_stub_open] 
<7> [279.559073] [drm:drm_open] comm="i915_pm_backlig", pid=6339, minor=0
<7> [279.559104] [drm:i915_gem_open [i915]] 
<7> [279.561451] [drm:drm_ioctl] comm="i915_pm_backlig" pid=6339, dev=0xe200, auth=1, DRM_IOCTL_VERSION
<7> [279.561490] [drm:drm_ioctl] comm="i915_pm_backlig" pid=6339, dev=0xe200, auth=1, DRM_IOCTL_VERSION
<7> [279.561935] [drm:i915_drop_caches_set [i915]] Dropping caches: 0x0000005c [0x0000005c]
<7> [279.562367] [drm:drm_stub_open] 
<7> [279.562382] [drm:drm_open] comm="i915_pm_backlig", pid=6339, minor=0
<7> [279.562412] [drm:i915_gem_open [i915]] 
<7> [279.564683] [drm:drm_ioctl] comm="i915_pm_backlig" pid=6339, dev=0xe200, auth=1, DRM_IOCTL_VERSION
<7> [279.564718] [drm:drm_ioctl] comm="i915_pm_backlig" pid=6339, dev=0xe200, auth=1, DRM_IOCTL_VERSION
<7> [279.564736] [drm:drm_ioctl] comm="i915_pm_backlig" pid=6339, dev=0xe200, auth=1, DRM_IOCTL_SET_CLIENT_CAP
<7> [279.564781] [drm:drm_ioctl] comm="i915_pm_backlig", pid=6339, ret=-95
<7> [279.564795] [drm:drm_ioctl] comm="i915_pm_backlig" pid=6339, dev=0xe200, auth=1, DRM_IOCTL_MODE_GETRESOURCES
<7> [279.564806] [drm:drm_ioctl] comm="i915_pm_backlig", pid=6339, ret=-95
<7> [279.583109] [drm:drm_ioctl] comm="i915_pm_backlig" pid=6339, dev=0xe200, auth=1, DRM_IOCTL_VERSION
<7> [279.583720] [drm:i915_drop_caches_set [i915]] Dropping caches: 0x000001dc [0x000001dc]
<7> [279.584011] [drm:drm_file_free.part.14] comm="i915_pm_backlig", pid=6339, dev=0xe200, open_count=2
<6> [279.585513] Console: switching to colour frame buffer device 128x48
<7> [279.598106] [drm:drm_file_free.part.14] comm="i915_pm_backlig", pid=6339, dev=0xe200, open_count=1
<7> [279.598144] [drm:drm_lastclose] 
<7> [279.598148] [drm:drm_lastclose] driver lastclose completed