Also note in the fbdev fallback case the error is inside RandR, specifically it fails to check that the root window is not NULL before calling xf86RandR12TellChanged() in hw/xfree86/modes/xf86Crtc.c::xf86SetSingleMode(). See sna_set_fallback_mode() for a comparison.
Also note in the fbdev fallback case the error is inside RandR, specifically it fails to check that the root window is not NULL before calling xf86RandR12Tell Changed( ) in hw/xfree86/ modes/xf86Crtc. c::xf86SetSingl eMode() . See sna_set_ fallback_ mode() for a comparison.