diff -ur libdrm-2.4.5.old/libdrm/xf86drm.c libdrm-2.4.5/libdrm/xf86drm.c
--- libdrm-2.4.5.old/libdrm/xf86drm.c	2009-05-01 11:36:29.000000000 -0500
+++ libdrm-2.4.5/libdrm/xf86drm.c	2009-05-01 11:31:16.000000000 -0500
@@ -2417,9 +2417,19 @@
 {
     int i;
     int fd;
+	struct stat drmStat;
    
     for (i = 0; i < nr_fds; i++)
 	if (strcmp(BusID, connection[i].BusID) == 0) {
+		/* Check if the fd is still valid... server restart may have closed the fd on us! */
+		if (fstat(connection[i].fd, &drmStat) == -1)
+		{
+			fprintf(stderr, "libdrm - tried to re-use a closed file descriptor %d for %s, refcount = %d\n", 
+				connection[i].fd, BusID, connection[i].refcount);
+			connection[i].fd = drmOpen(unused, BusID);
+			*newlyopened = 0;
+			return connection[i].fd;
+		}
 	    connection[i].refcount++;
 	    *newlyopened = 0;
 	    return connection[i].fd;