diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index 8ee2efa805..8b6246995d 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2016-01-25  Marcin Kościelnicki  <koriakin@0x04.net>
+
+	* gdb.trace/backtrace.exp: Bump stack collection fudge factor.
+	* gdb.trace/entry-values.exp: Bump stack collection fudge factor.
+
 2016-01-23  Marcin Kościelnicki  <koriakin@0x04.net>
 
 	* gdb.trace/unavailable-dwarf-piece.exp: Fix bitfield handling on big
diff --git a/gdb/testsuite/gdb.trace/backtrace.exp b/gdb/testsuite/gdb.trace/backtrace.exp
index ad18f15682..881a798648 100644
--- a/gdb/testsuite/gdb.trace/backtrace.exp
+++ b/gdb/testsuite/gdb.trace/backtrace.exp
@@ -142,7 +142,7 @@ gdb_trace_setactions "8.6: setup TP to collect regs, args, and locals" \
 
 gdb_trace_setactions "8.6: setup TP to collect stack mem cast expr" \
        "$tdp6" \
-       "collect \$$fpreg, \(\*\(void \*\*\) \(\$$spreg\)\) @ 64" "^$"
+       "collect \$$fpreg, \(\*\(void \*\*\) \(\$$spreg\)\) @ 128" "^$"
 
 gdb_test_no_output "tstart" ""
 
diff --git a/gdb/testsuite/gdb.trace/entry-values.exp b/gdb/testsuite/gdb.trace/entry-values.exp
index 7f60b8cad2..825928d85d 100644
--- a/gdb/testsuite/gdb.trace/entry-values.exp
+++ b/gdb/testsuite/gdb.trace/entry-values.exp
@@ -219,7 +219,7 @@ gdb_test "trace foo" "Tracepoint $decimal at .*"
 # argument j.
 
 gdb_trace_setactions "set action for tracepoint 1" "" \
-    "collect i, j, global1, \(\*\(void \*\*\) \(\$$spreg\)\) @ 64" "^$"
+    "collect i, j, global1, \(\*\(void \*\*\) \(\$$spreg\)\) @ 128" "^$"
 
 gdb_test_no_output "tstart"