diff --git a/src/gallium/drivers/i915/i915_context.h b/src/gallium/drivers/i915/i915_context.h
index d3ea29d1b41..44e7a9bc1d0 100644
--- a/src/gallium/drivers/i915/i915_context.h
+++ b/src/gallium/drivers/i915/i915_context.h
@@ -36,6 +36,7 @@
 
 #include "tgsi/tgsi_scan.h"
 
+#include "util/log.h"
 #include "util/slab.h"
 #include "util/u_blitter.h"
 #include "i915_reg.h"
diff --git a/src/gallium/drivers/i915/i915_prim_vbuf.c b/src/gallium/drivers/i915/i915_prim_vbuf.c
index 9dba054f786..6a4886d5065 100644
--- a/src/gallium/drivers/i915/i915_prim_vbuf.c
+++ b/src/gallium/drivers/i915/i915_prim_vbuf.c
@@ -467,6 +467,9 @@ draw_arrays_fallback(struct vbuf_render *render, unsigned start, uint32_t nr)
       i915->vbo_flushed = 1;
 
       if (!BEGIN_BATCH(1 + (nr_indices + 1) / 2)) {
+         mesa_loge("i915: Failed to allocate space for %d indices in fresh "
+                   "batch with %d bytes left\n",
+                   nr_indices, (int)i915_winsys_batchbuffer_space(i915->batch));
          assert(0);
          goto out;
       }
@@ -625,6 +628,9 @@ i915_vbuf_render_draw_elements(struct vbuf_render *render,
       i915->vbo_flushed = 1;
 
       if (!BEGIN_BATCH(1 + (nr_indices + 1) / 2)) {
+         mesa_loge("i915: Failed to allocate space for %d indices in fresh "
+                   "batch with %d bytes left\n",
+                   nr_indices, (int)i915_winsys_batchbuffer_space(i915->batch));
          assert(0);
          goto out;
       }