diff --git a/gdb-6.3-gcore-thread-20050204.patch b/gdb-6.3-gcore-thread-20050204.patch
new file mode 100644
index 0000000..f425d54
--- /dev/null
+++ b/gdb-6.3-gcore-thread-20050204.patch
@@ -0,0 +1,31 @@
+2005-02-04  Jeff Johnston  <jjohnstn@redhat.com>
+
+	* linux-nat.c (linux_nat_xfer_memory): Don't use
+	linux_proc_xfer_memory for threads.
+
+--- gdb-6.3/gdb/linux-nat.c.fix	Fri Feb  4 22:52:40 2005
++++ gdb-6.3/gdb/linux-nat.c	Fri Feb  4 22:56:57 2005
+@@ -2382,11 +2382,18 @@ linux_nat_xfer_memory (CORE_ADDR memaddr
+   int xfer;
+ 
+   if (is_lwp (inferior_ptid))
+-    inferior_ptid = pid_to_ptid (GET_LWP (inferior_ptid));
+-
+-  xfer = linux_proc_xfer_memory (memaddr, myaddr, len, write, attrib, target);
+-  if (xfer == 0)
+-    xfer = child_xfer_memory (memaddr, myaddr, len, write, attrib, target);
++    {
++      /* For lwps, we cannot use linux_proc_xfer_memory.  */
++      inferior_ptid = pid_to_ptid (GET_LWP (inferior_ptid));
++      xfer = child_xfer_memory (memaddr, myaddr, len, write, attrib, target);
++    }
++  else
++    {
++      xfer = linux_proc_xfer_memory (memaddr, myaddr, len, write, 
++		      		     attrib, target);
++      if (xfer == 0)
++        xfer = child_xfer_memory (memaddr, myaddr, len, write, attrib, target);
++    }
+ 
+   do_cleanups (old_chain);
+   return xfer;
diff --git a/gdb.spec b/gdb.spec
index 7ceacb3..d665f72 100644
--- a/gdb.spec
+++ b/gdb.spec
@@ -11,7 +11,7 @@ Name: gdb
 Version: 6.3.0.0
 
 # The release always contains a leading reserved number, start it at 0.
-Release: 0.15
+Release: 0.16
 
 License: GPL
 Group: Development/Debuggers
@@ -174,6 +174,9 @@ Patch138: gdb-6.3-ia64-corefile-fix-20050127.patch
 # Tolerate DW_AT_type referencing <0>.
 Patch139: gdb-6.3-dwattype0-20050201.patch
 
+# Fix gcore for threads
+Patch140: gdb-6.3-gcore-thread-20050204.patch
+
 %ifarch ia64
 BuildRequires: ncurses-devel glibc-devel gcc make gzip texinfo dejagnu libunwind >= 0.96-3
 %else
@@ -246,6 +249,7 @@ and printing their data.
 %patch137 -p1
 %patch138 -p1
 %patch139 -p1
+%patch140 -p1
 
 # Change the version that gets printed at GDB startup, so it is RedHat
 # specific.
@@ -414,6 +418,10 @@ fi
 # don't include the files in include, they are part of binutils
 
 %changelog
+* Fri Feb 04 2005 Jeff Johnston <jjohnstn@redhat.com>	6.3.0.0-0.16
+- Fix gcore to work properly for threaded applications
+- Bugzilla 145309, 145092
+
 * Fri Feb 04 2005 Jeff Johnston <jjohnstn@redhat.com>	6.3.0.0-0.15
 - Tolerate DW_AT_type referencing <0> and instead of generating an
   error, treat as unknown type.