diff --git a/openpower/package/hostboot/hostboot-0012-Cap-off-the-TRACFBIN-such-that-nothing-exceeds-64-by.patch b/openpower/package/hostboot/hostboot-0012-Cap-off-the-TRACFBIN-such-that-nothing-exceeds-64-by.patch
new file mode 100644
index 0000000..8b0b4ab
--- /dev/null
+++ b/openpower/package/hostboot/hostboot-0012-Cap-off-the-TRACFBIN-such-that-nothing-exceeds-64-by.patch
@@ -0,0 +1,57 @@
+From 22c58d6a7d3e6d69294aa16c9b0fa354ae9cf861 Mon Sep 17 00:00:00 2001
+From: Elizabeth Liner <eliner@us.ibm.com>
+Date: Mon, 30 Mar 2015 12:41:45 -0500
+Subject: [PATCH 4/5] Cap off the TRACFBIN such that nothing exceeds 64 bytes
+
+Change-Id: If8f08d1602b4437aa0e72e6d2e8d99ca615a2c77
+(cherry picked from commit cb2ea9c1b5d1906e0f58eda347367c648c18809a)
+---
+ src/include/usr/trace/interface.H | 16 +++++++++++-----
+ src/include/usr/trace/trace.H     |  2 ++
+ 2 files changed, 13 insertions(+), 5 deletions(-)
+
+diff --git a/src/include/usr/trace/interface.H b/src/include/usr/trace/interface.H
+index 3ef8575..d02db76 100644
+--- a/src/include/usr/trace/interface.H
++++ b/src/include/usr/trace/interface.H
+@@ -218,13 +218,19 @@ const uint32_t TRACE_FIELD   = 0;       //Indicates trace is field
+ */
+ #define TRACFBIN(des,printf_string,address,len) \
+     { \
++        uint16_t l_length = len; \
++        if(len > MAX_WORKING_TRACBIN_SIZE) \
++        { \
++            l_length = MAX_WORKING_TRACBIN_SIZE; \
++            TRACFCOMP(des,"Shrinking to max size in TRACFBIN"); \
++        } \
+         __TRACE_HASH_STRUCTURES(printf_string); \
+         TRACE::trace_adal_write_bin((des), \
+-                                    &__traceData_codeInfo, \
+-                                    __LINE__, \
+-                                    address, \
+-                                    len, \
+-                                    TRACE_FIELD); \
++                                &__traceData_codeInfo, \
++                                __LINE__, \
++                                address, \
++                                l_length, \
++                                TRACE_FIELD); \
+     }
+ 
+ /**
+diff --git a/src/include/usr/trace/trace.H b/src/include/usr/trace/trace.H
+index fdcce88..e969487 100644
+--- a/src/include/usr/trace/trace.H
++++ b/src/include/usr/trace/trace.H
+@@ -42,6 +42,8 @@ const uint32_t TRACE_DEBUG_OFF   = 0;       //< Set to this when debug trace off
+ const uint32_t TRAC_COMP_SIZE    = 16;      //< Max component name size
+ const uint32_t TRAC_MAX_ARGS     = 9;       //< Max number of arguments in trace
+ 
++const uint16_t MAX_WORKING_TRACBIN_SIZE = 64; //< Max working tracBin size
++
+ typedef uint32_t trace_hash_val;    //< Hash values are 32 bits.
+ 
+ 
+-- 
+1.8.2.2
+