[  500.389567] Sanctuary[4587]: segfault at 0 ip 00000000f5f3eed0 sp 00000000ff9ad2bc error 4 in i965_dri.so[f5f0b000+4af000]
[  539.236359] [drm] stuck on render ring
[  539.236369] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[  539.237204] [drm] GPU HANG [85df3c12]
[  539.237207] [drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including userspace.
[  539.237209] [drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI -> DRM/Intel
[  539.237211] [drm] drm/i915 developers can then reassign to the right component if it's not a kernel issue.
[  539.237213] [drm] The gpu crash dump is required to analyze gpu hangs, so please always attach it.
[  541.237924] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off
[  545.253048] [drm] stuck on render ring
[  547.254710] [drm] Enabling RC6 states: RC6 on, RC6p off, RC6pp off