diff --git a/glx/indirect_dispatch.c b/glx/indirect_dispatch.c
index 666551903..ecd2bc8de 100644
--- a/glx/indirect_dispatch.c
+++ b/glx/indirect_dispatch.c
@@ -98,8 +98,6 @@ void __glXDisp_CallLists(GLbyte * pc)
     const GLenum type = *(GLenum   *)(pc +  4);
     const GLvoid * lists =  (const GLvoid *)(pc +  8);
 
-    lists = (const GLvoid *) (pc + 8);
-
     CALL_CallLists( GET_DISPATCH(), (
         n,
         type,
diff --git a/hw/xquartz/GL/capabilities.c b/hw/xquartz/GL/capabilities.c
index 2c5ec658c..fc7dd57dd 100644
--- a/hw/xquartz/GL/capabilities.c
+++ b/hw/xquartz/GL/capabilities.c
@@ -525,8 +525,7 @@ bool getGlCapabilities(struct glCapabilities *cap) {
 
 	    conf = malloc(sizeof(*conf));
 	    if(NULL == conf) {
-            perror("malloc");
-            OsAbort();
+                FatalError("Unable to allocate memory for OpenGL capabilities\n");
 	    }
 
 	    /* Copy the struct. */
diff --git a/hw/xquartz/darwin.c b/hw/xquartz/darwin.c
index 066f5a596..d3f448820 100644
--- a/hw/xquartz/darwin.c
+++ b/hw/xquartz/darwin.c
@@ -602,7 +602,7 @@ void InitOutput( ScreenInfo *pScreenInfo, int argc, char **argv )
 
 
 /*
- * OsVendorFataError
+ * OsVendorFatalError
  */
 void OsVendorFatalError( void )
 {
@@ -760,7 +760,7 @@ void ddxUseMsg( void )
  */
 void ddxGiveUp( void )
 {
-    ErrorF( "Quitting Xquartz...\n" );
+    ErrorF( "Quitting Xquartz\n" );
 }
 
 
@@ -773,11 +773,7 @@ void ddxGiveUp( void )
 void AbortDDX( void )
 {
     ErrorF( "   AbortDDX\n" );
-    /*
-     * This is needed for a abnormal server exit, since the normal exit stuff
-     * MUST also be performed (i.e. the vt must be left in a defined state)
-     */
-    ddxGiveUp();
+    OsAbort();
 }
 
 #include "mivalidate.h" // for union _Validate used by windowstr.h
diff --git a/hw/xquartz/mach-startup/bundle-main.c b/hw/xquartz/mach-startup/bundle-main.c
index 4872ff59b..625b8b4c2 100644
--- a/hw/xquartz/mach-startup/bundle-main.c
+++ b/hw/xquartz/mach-startup/bundle-main.c
@@ -73,10 +73,11 @@ extern int noPanoramiXExtension;
 #define XSERVER_VERSION "?"
 #endif
 
-const int __crashreporter_info__len = 4096;
-const char *__crashreporter_info__base = "X.Org X Server " XSERVER_VERSION " Build Date: " BUILD_DATE;
-char __crashreporter_info__buf[4096];
-char *__crashreporter_info__ = __crashreporter_info__buf;
+static char __crashreporter_info_buff__[4096] = {0};
+static const char *__crashreporter_info__ = &__crashreporter_info_buff__[0];
+asm (".desc __crashreporter_info__, 0x10");
+
+static const char *__crashreporter_info__base = "X.Org X Server " XSERVER_VERSION " Build Date: " BUILD_DATE;
 
 static char *launchd_id_prefix = NULL;
 static char *server_bootstrap_name = NULL;
@@ -548,7 +549,7 @@ int main(int argc, char **argv, char **envp) {
     noPanoramiXExtension = TRUE;
 
     /* Setup the initial crasherporter info */
-    strlcpy(__crashreporter_info__, __crashreporter_info__base, __crashreporter_info__len);
+    strlcpy(__crashreporter_info_buff__, __crashreporter_info__base, sizeof(__crashreporter_info_buff__));
     
     fprintf(stderr, "X11.app: main(): argc=%d\n", argc);
     for(i=0; i < argc; i++) {
diff --git a/hw/xquartz/quartz.c b/hw/xquartz/quartz.c
index 59107be84..a611854e7 100644
--- a/hw/xquartz/quartz.c
+++ b/hw/xquartz/quartz.c
@@ -268,8 +268,11 @@ void QuartzUpdateScreens(void) {
     DarwinAdjustScreenOrigins(&screenInfo);
     quartzProcs->UpdateScreen(pScreen);
     
-    sx = x + darwinMainScreenX;
-    sy = y + darwinMainScreenY;
+    /* DarwinAdjustScreenOrigins or UpdateScreen may change dixScreenOrigins,
+     * so use it rather than x/y
+     */
+    sx = dixScreenOrigins[pScreen->myNum].x + darwinMainScreenX;
+    sy = dixScreenOrigins[pScreen->myNum].y + darwinMainScreenY;
     
     /* Adjust the root window. */
     pRoot = WindowTable[pScreen->myNum];
diff --git a/hw/xquartz/quartzKeyboard.c b/hw/xquartz/quartzKeyboard.c
index c9ef7cc81..a4a0b08bd 100644
--- a/hw/xquartz/quartzKeyboard.c
+++ b/hw/xquartz/quartzKeyboard.c
@@ -735,7 +735,10 @@ Bool QuartzReadSystemKeymap(darwinKeyboardInfo *info) {
                     if (err != noErr) continue;
                 }
 
-                if (len > 0 && s[0] != 0x0010) {
+                /* Not sure why 0x0010 is there.
+                 * 0x0000 - <rdar://problem/7793566> 'Unicode Hex Input' ...
+                 */
+                if (len > 0 && s[0] != 0x0010 && s[0] != 0x0000) {
                     k[j] = ucs2keysym (s[0]);
                     if (dead_key_state != 0) k[j] = make_dead_key (k[j]);
                 }
diff --git a/os/log.c b/os/log.c
index f4832c12f..c1301d754 100644
--- a/os/log.c
+++ b/os/log.c
@@ -117,6 +117,12 @@ static char *saveBuffer = NULL;
 static int bufferSize = 0, bufferUnused = 0, bufferPos = 0;
 static Bool needBuffer = TRUE;
 
+#ifdef __APPLE__
+static char __crashreporter_info_buff__[4096] = {0};
+static const char *__crashreporter_info__ = &__crashreporter_info_buff__[0];
+asm (".desc __crashreporter_info__, 0x10");
+#endif
+
 /* Prefix strings for log messages. */
 #ifndef X_UNKNOWN_STRING
 #define X_UNKNOWN_STRING		"(\?\?)"
@@ -527,6 +533,9 @@ FatalError(const char *f, ...)
 	ErrorF("\nFatal server error:\n");
 
     va_start(args, f);
+#ifdef __APPLE__
+    (void)vsnprintf(__crashreporter_info_buff__, sizeof(__crashreporter_info_buff__), f, args);
+#endif
     VErrorF(f, args);
     va_end(args);
     ErrorF("\n");
diff --git a/os/utils.c b/os/utils.c
index 5a5a20374..13d3b3ff0 100644
--- a/os/utils.c
+++ b/os/utils.c
@@ -1315,7 +1315,9 @@ OsReleaseSignals (void)
 void
 OsAbort (void)
 {
+#ifndef __APPLE__
     OsBlockSignals();
+#endif
     abort();
 }