diff --git a/src/gallium/drivers/radeon/r600_buffer_common.c b/src/gallium/drivers/radeon/r600_buffer_common.c
index 4f5e17d5c89..c21a2941e2b 100644
--- a/src/gallium/drivers/radeon/r600_buffer_common.c
+++ b/src/gallium/drivers/radeon/r600_buffer_common.c
@@ -169,6 +169,7 @@ void r600_init_resource_fields(struct r600_common_screen *rscreen,
 
 	/* Only displayable single-sample textures can be shared between
 	 * processes. */
+	fprintf(stderr, "Prenex in r600_buffer_common.c - I suspect this does not happen!\n");
 	if (res->b.b.target == PIPE_BUFFER ||
 	    res->b.b.nr_samples >= 2 ||
 	    rtex->surface.micro_tile_mode != RADEON_MICRO_MODE_DISPLAY)
diff --git a/src/gallium/drivers/radeon/radeon_winsys.h b/src/gallium/drivers/radeon/radeon_winsys.h
index f0a0a922a10..2de568bbc22 100644
--- a/src/gallium/drivers/radeon/radeon_winsys.h
+++ b/src/gallium/drivers/radeon/radeon_winsys.h
@@ -660,8 +660,10 @@ static inline enum radeon_bo_domain radeon_domain_from_heap(enum radeon_heap hea
 
 static inline unsigned radeon_flags_from_heap(enum radeon_heap heap)
 {
+    fprintf(stderr, "Prenex in radeon_winsys.h - radeon_heap in flags from heap: %d\n", (unsigned int)heap);
     switch (heap) {
     case RADEON_HEAP_VRAM_NO_CPU_ACCESS:
+        fprintf(stderr, "Prenex in radeon_winsys.h: RADEON_HEAP_VRAM_NO_CPU_ACCESS\n");
         return RADEON_FLAG_GTT_WC |
                RADEON_FLAG_NO_CPU_ACCESS |
                RADEON_FLAG_NO_INTERPROCESS_SHARING;
@@ -669,11 +671,13 @@ static inline unsigned radeon_flags_from_heap(enum radeon_heap heap)
     case RADEON_HEAP_VRAM:
     case RADEON_HEAP_VRAM_GTT:
     case RADEON_HEAP_GTT_WC:
+        fprintf("stderr, Prenex in radeon_winsys.h: _VRAM | _VRAM_GTT | GTT_WC\n");
         return RADEON_FLAG_GTT_WC |
                RADEON_FLAG_NO_INTERPROCESS_SHARING;
 
     case RADEON_HEAP_GTT:
     default:
+        fprintf(stderr, "Prenex in radeon_winsys.h: default | HEAP GTT\}");
         return RADEON_FLAG_NO_INTERPROCESS_SHARING;
     }
 }
@@ -707,14 +711,18 @@ static inline int radeon_get_heap_index(enum radeon_bo_domain domain,
     assert(!(flags & RADEON_FLAG_NO_CPU_ACCESS) || domain == RADEON_DOMAIN_VRAM);
 
     /* Resources with interprocess sharing don't use any winsys allocators. */
-    if (!(flags & RADEON_FLAG_NO_INTERPROCESS_SHARING))
+    if (!(flags & RADEON_FLAG_NO_INTERPROCESS_SHARING)) {
+        fprintf(stderr, "Prenex in radeon_winsys.h: -1 as radeon_get_heap_index(...) [*]\n");
         return -1;
+    }
 
     /* Unsupported flags: NO_SUBALLOC, SPARSE. */
     if (flags & ~(RADEON_FLAG_GTT_WC |
                   RADEON_FLAG_NO_CPU_ACCESS |
-                  RADEON_FLAG_NO_INTERPROCESS_SHARING))
+                  RADEON_FLAG_NO_INTERPROCESS_SHARING)) {
+        fprintf(stderr, "Prenex in radeon_winsys.h: -1 as radeon_get_heap_index(...) [**]\n");
         return -1;
+    }
 
     switch (domain) {
     case RADEON_DOMAIN_VRAM:
diff --git a/src/gallium/winsys/radeon/drm/radeon_drm_bo.c b/src/gallium/winsys/radeon/drm/radeon_drm_bo.c
index 15e9d38e33a..d6f1e6aa851 100644
--- a/src/gallium/winsys/radeon/drm/radeon_drm_bo.c
+++ b/src/gallium/winsys/radeon/drm/radeon_drm_bo.c
@@ -970,6 +970,9 @@ no_slab:
     alignment = align(alignment, ws->info.gart_page_size);
 
     bool use_reusable_pool = flags & RADEON_FLAG_NO_INTERPROCESS_SHARING;
+    fprintf(stderr, "Prenex in radeon_drm_bo.c: flags=%x use_reusable_pool=%d\n", use_reusable_pool);
+    fprintf(stderr, "FORCING use_reusable_pool=true\n");
+    use_reusable_pool=true; // FIXME: this defeats the whole purpose of the flag! Only for testing the slowdown!
 
     /* Shared resources don't use cached heaps. */
     if (use_reusable_pool) {