diff --git a/src/webgldrawer.js b/src/webgldrawer.js
index 309d247b..fde11a9d 100644
--- a/src/webgldrawer.js
+++ b/src/webgldrawer.js
@@ -281,7 +281,7 @@
                 if(maxTextures <= 0){
                     this._numGlMaxTextureErrors += 1;
                     $.console.error(`There was a WebGL problem: bad value for MAX_TEXTURE_IMAGE_UNITS (${maxTextures})`);
-                    console.error(`There was a WebGL problem: bad value for MAX_TEXTURE_IMAGE_UNITS (${maxTextures})`);
+                    console.error(`There was a WebGL problem: bad value for MAX_TEXTURE_IMAGE_UNITS (${maxTextures}), total errors = ${this._numGlMaxTextureErrors}`);
                     return;
                 } else {
                     this._numGlMaxTextureOks += 1;
diff --git a/test/modules/viewport.js b/test/modules/viewport.js
index 995447bd..47573ede 100644
--- a/test/modules/viewport.js
+++ b/test/modules/viewport.js
@@ -8,7 +8,7 @@
     var SPRING_STIFFNESS = 100; // Faster animation = faster tests
     var EPSILON = 0.0000000001;
 
-     QUnit.module("viewport", {
+     QUnit.module.only("viewport", {
         beforeEach: function () {
             $('<div id="example"></div>').appendTo("#qunit-fixture");
 
@@ -22,6 +22,17 @@
         },
         afterEach: function () {
             if (viewer){
+                let drawers = [viewer.drawer, viewer.navigator && viewer.navigator.drawer];
+                for(const drawer of drawers){
+                    if(!drawer){
+                        return;
+                    }
+                    let errors = drawer._numGlMaxTextureErrors;
+                    let ok = drawer._numGlMaxTextureErrors;
+                    errors === 0 ? console.log('No GL errors') : errors ? console.log(`GL errors: ${errors}`) : null;
+                    ok === 0 ? console.log('No GL calls') : ok ? console.log(`GL calls: ${ok}`) : null;
+                }
+
                 viewer.destroy();
             }