diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index af10432003..8507debe8c 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,12 @@
+2000-11-16  Michael Snyder  <msnyder@cleaver.cygnus.com>
+
+	* regcache.c (read_register_bytes): Failing to set register_valid
+	is not necessarily an error, if the register is a pseudo-register.
+	Some pseudo-registers are never marked as valid, so that they will
+	be read anew every time.  Determining if a pseudo-register is valid
+	(or should be marked invalid) may be difficult, whereas just 
+	recomputing it may be cheap.
+
 Thu Nov 16 09:47:57 2000  David Taylor  <taylor@redhat.com>
 
 	* tracepoint.c (trace_find_tracepoint_command): Replace call to
diff --git a/gdb/regcache.c b/gdb/regcache.c
index 2326b3485b..104bff7b17 100644
--- a/gdb/regcache.c
+++ b/gdb/regcache.c
@@ -391,7 +391,14 @@ read_register_bytes (int inregbyte, char *myaddr, int inlen)
 	FETCH_PSEUDO_REGISTER (regno);
 
       if (!register_valid[regno])
-	error ("read_register_bytes:  Couldn't update register %d.", regno);
+	{
+	  /* Sometimes pseudoregs are never marked valid, so that they 
+	     will be fetched every time (it can be complicated to know
+	     if a pseudoreg is valid, while "fetching" them can be cheap). 
+	     */
+	  if (regno < NUM_REGS)
+	    error ("read_register_bytes:  Couldn't update register %d.", regno);
+	}
     }
 
   if (myaddr != NULL)