diff --git a/polymer/eduke32/build/include/polymer.h b/polymer/eduke32/build/include/polymer.h
index 14207fe33..e6f0afc1c 100644
--- a/polymer/eduke32/build/include/polymer.h
+++ b/polymer/eduke32/build/include/polymer.h
@@ -135,7 +135,7 @@ typedef struct      s_prrograminfo {
     GLint           uniform_spotRadius;
 }                   _prprograminfo;
 
-#define             PR_INFO_LOG_BUFFER_SIZE 65536
+#define             PR_INFO_LOG_BUFFER_SIZE 8192
 
 typedef struct      s_prprogrambit {
     int32_t         bit;
diff --git a/polymer/eduke32/build/src/osd.c b/polymer/eduke32/build/src/osd.c
index 212e515fe..62cf508ff 100644
--- a/polymer/eduke32/build/src/osd.c
+++ b/polymer/eduke32/build/src/osd.c
@@ -1413,14 +1413,14 @@ static inline void linefeed(void)
 #define MAX_ERRORS 4096
 void OSD_Printf(const char *fmt, ...)
 {
-    static char tmpstr[1024];
+    static char tmpstr[8192];
     char *chp, p=osdtextpal, s=osdtextshade;
     va_list va;
 
     if (!osdinited) OSD_Init();
 
     va_start(va, fmt);
-    Bvsnprintf(tmpstr, 1024, fmt, va);
+    Bvsnprintf(tmpstr, 8192, fmt, va);
     va_end(va);
 
     if (tmpstr[0]=='^' && tmpstr[1]=='1' && tmpstr[2]=='0' && ++OSD_errors > MAX_ERRORS)
diff --git a/polymer/eduke32/build/src/polymer.c b/polymer/eduke32/build/src/polymer.c
index 87f62bbb4..5b09da06c 100644
--- a/polymer/eduke32/build/src/polymer.c
+++ b/polymer/eduke32/build/src/polymer.c
@@ -3310,15 +3310,17 @@ static int32_t      polymer_bindmaterial(_prmaterial material, char* lights, int
     if (programbits & prprogrambits[PR_BIT_ANIM_INTERPOLATION].bit)
     {
         bglEnableVertexAttribArrayARB(prprograms[programbits].attrib_nextFrameData);
-        bglEnableVertexAttribArrayARB(prprograms[programbits].attrib_nextFrameNormal);
+        if (prprograms[programbits].attrib_nextFrameNormal != -1)
+            bglEnableVertexAttribArrayARB(prprograms[programbits].attrib_nextFrameNormal);
         bglVertexAttribPointerARB(prprograms[programbits].attrib_nextFrameData,
                                   3, GL_FLOAT, GL_FALSE,
                                   material.nextframedatastride,
                                   material.nextframedata);
-        bglVertexAttribPointerARB(prprograms[programbits].attrib_nextFrameNormal,
-                                  3, GL_FLOAT, GL_FALSE,
-                                  material.nextframedatastride,
-                                  material.nextframedata + 3);
+        if (prprograms[programbits].attrib_nextFrameNormal != -1)
+            bglVertexAttribPointerARB(prprograms[programbits].attrib_nextFrameNormal,
+                                      3, GL_FLOAT, GL_FALSE,
+                                      material.nextframedatastride,
+                                      material.nextframedata + 3);
 
         bglUniform1fARB(prprograms[programbits].uniform_frameProgress, material.frameprogress);
     }
@@ -3537,7 +3539,8 @@ static void         polymer_unbindmaterial(int32_t programbits)
     // PR_BIT_ANIM_INTERPOLATION
     if (programbits & prprogrambits[PR_BIT_ANIM_INTERPOLATION].bit)
     {
-        bglDisableVertexAttribArrayARB(prprograms[programbits].attrib_nextFrameNormal);
+        if (prprograms[programbits].attrib_nextFrameNormal != -1)
+            bglDisableVertexAttribArrayARB(prprograms[programbits].attrib_nextFrameNormal);
         bglDisableVertexAttribArrayARB(prprograms[programbits].attrib_nextFrameData);
     }
 
@@ -3557,6 +3560,7 @@ static void         polymer_compileprogram(int32_t programbits)
     GLhandleARB     vert, frag, program;
     GLcharARB*      source[PR_BIT_COUNT * 2];
     GLcharARB       infobuffer[PR_INFO_LOG_BUFFER_SIZE];
+    GLint           linkstatus;
 
     // --------- VERTEX
     vert = bglCreateShaderObjectARB(GL_VERTEX_SHADER_ARB);
@@ -3610,17 +3614,20 @@ static void         polymer_compileprogram(int32_t programbits)
 
     bglLinkProgramARB(program);
 
+    bglGetObjectParameterivARB(program, GL_OBJECT_LINK_STATUS_ARB, &linkstatus);
+
     bglGetInfoLogARB(program, PR_INFO_LOG_BUFFER_SIZE, NULL, infobuffer);
 
     prprograms[programbits].handle = program;
 
-    if (pr_verbosity >= 1) OSD_Printf("Compiling GPU program with bits %i...\n", programbits);
-    if (infobuffer[0]) {
-        if (pr_verbosity >= 1) OSD_Printf("Info log:\n%s\n", infobuffer);
+    if (pr_verbosity >= 1) OSD_Printf("PR : Compiling GPU program with bits %i...\n", programbits);
+    if (!linkstatus) {
+        OSD_Printf("PR : Failed to compile GPU program with bits %i!\n", programbits);
+        if (pr_verbosity >= 1) OSD_Printf("PR : Compilation log:\n%s\n", infobuffer);
         bglGetShaderSourceARB(vert, PR_INFO_LOG_BUFFER_SIZE, NULL, infobuffer);
-        if (pr_verbosity >= 1) OSD_Printf("Vertex source dump:\n%s\n", infobuffer);
+        if (pr_verbosity >= 1) OSD_Printf("PR : Vertex source dump:\n%s\n", infobuffer);
         bglGetShaderSourceARB(frag, PR_INFO_LOG_BUFFER_SIZE, NULL, infobuffer);
-        if (pr_verbosity >= 1) OSD_Printf("Shader source dump:\n%s\n", infobuffer);
+        if (pr_verbosity >= 1) OSD_Printf("PR : Fragment source dump:\n%s\n", infobuffer);
     }
 
     // --------- ATTRIBUTE/UNIFORM LOCATIONS
@@ -4129,7 +4136,7 @@ static void         polymer_initrendertargets(int32_t count)
 
         if (bglCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT) != GL_FRAMEBUFFER_COMPLETE_EXT)
         {
-            OSD_Printf("FBO #%d initialization failed.\n", i);
+            OSD_Printf("PR : FBO #%d initialization failed.\n", i);
         }
 
         bglBindTexture(prrts[i].target, 0);