Comment 2 for bug 1366372

StacktraceTop:
 dri2FlushFrontBuffer (driDrawable=0x7f76841afaa0, loaderPrivate=0x7f76841af9b0) at ../../../../src/glx/dri2_glx.c:686
 dri_st_framebuffer_flush_front (stctx=<optimized out>, stfbi=<optimized out>, statt=<optimized out>) at ../../../../../../../src/gallium/state_trackers/dri/drm/dri_drawable.c:118
 _mesa_make_current (newCtx=newCtx@entry=0x0, drawBuffer=drawBuffer@entry=0x0, readBuffer=readBuffer@entry=0x0) at ../../../../src/mesa/main/context.c:1583
 st_api_make_current (stapi=<optimized out>, stctxi=0x0, stdrawi=0x0, streadi=0x0) at ../../../../src/mesa/state_tracker/st_manager.c:785
 dri_unbind_context (cPriv=<optimized out>) at ../../../../../../../src/gallium/state_trackers/dri/drm/dri_context.c:215