Index: coregrind/m_debuginfo/readelf.c
===================================================================
--- coregrind/m_debuginfo/readelf.c	(revision 10923)
+++ coregrind/m_debuginfo/readelf.c	(working copy)
@@ -979,21 +979,29 @@
    Char *objdirptr;
    Char *debugpath;
    Addr addr = 0;
+   UInt si;
   
    if ((objdirptr = VG_(strrchr)(objdir, '/')) != NULL)
       *objdirptr = '\0';
-
    debugpath = ML_(dinfo_zalloc)(
                   "di.fdf.2",
                   VG_(strlen)(objdir) + VG_(strlen)(debugname) + 32);
    
    VG_(sprintf)(debugpath, "%s/%s", objdir, debugname);
+   TRACE_SYMTAB("    trying debugpath %s\n",  debugpath);
 
    if ((addr = open_debug_file(debugpath, crc, size)) == 0) {
       VG_(sprintf)(debugpath, "%s/.debug/%s", objdir, debugname);
+      TRACE_SYMTAB("    trying debugpath %s\n",  debugpath);
       if ((addr = open_debug_file(debugpath, crc, size)) == 0) {
          VG_(sprintf)(debugpath, "/usr/lib/debug%s/%s", objdir, debugname);
-         addr = open_debug_file(debugpath, crc, size);
+         TRACE_SYMTAB("    trying debugpath %s\n",  debugpath);
+         if ((addr = open_debug_file(debugpath, crc, size)) == 0) {
+            si = sizeof(void*)*8;
+            VG_(sprintf)(debugpath, "/usr/lib/debug%s%u/%s", objdir, si, debugname);
+            TRACE_SYMTAB("    trying debugpath %s\n",  debugpath);
+            addr = open_debug_file(debugpath, crc, size);
+         }
       }
    }
 
@@ -1001,6 +1009,10 @@
       TRACE_SYMTAB("\n");
       TRACE_SYMTAB("------ Found a debuginfo file: %s\n", debugpath);
    }
+   else
+   {
+      TRACE_SYMTAB("------ No debuginfo file found\n");
+   }
 
    ML_(dinfo_free)(debugpath);
    ML_(dinfo_free)(objdir);