diff --git a/fail_db.txt b/fail_db.txt
index 0e352c43..2aa047cb 100644
--- a/fail_db.txt
+++ b/fail_db.txt
@@ -165,6 +165,19 @@
 ./tests/short-vec-8.ispc compfail  x86-64      generic-4   Linux LLVM 3.7 clang++3.4 -O2 *
 ./tests/short-vec-8.ispc compfail  x86-64      generic-4   Linux LLVM 3.7 clang++3.4 -O0 *
 
+% [KNC-generic]: vec16-i64 memory layout bugs. Need to rewrite knc.h to fix that
+./tests/soa-18.ispc runfail  x86-64 knc-generic   Linux LLVM 3.4   icpc13.1 -O0 *
+./tests/soa-18.ispc runfail  x86-64 knc-generic   Linux LLVM 3.5   icpc13.1 -O0 *
+./tests/soa-18.ispc runfail  x86-64 knc-generic   Linux LLVM 3.6   icpc13.1 -O0 *
+./tests/soa-18.ispc runfail  x86-64 knc-generic   Linux LLVM 3.7   icpc13.1 -O0 *
+./tests/soa-18.ispc runfail  x86-64 knc-generic   Linux LLVM 3.8   icpc13.1 -O0 *
+./tests/soa-18.ispc runfail  x86-64 knc-generic   Linux LLVM 3.4   icpc16.0 -O0 *
+./tests/soa-18.ispc runfail  x86-64 knc-generic   Linux LLVM 3.5   icpc16.0 -O0 *
+./tests/soa-18.ispc runfail  x86-64 knc-generic   Linux LLVM 3.6   icpc16.0 -O0 *
+./tests/soa-18.ispc runfail  x86-64 knc-generic   Linux LLVM 3.7   icpc16.0 -O0 *
+./tests/soa-18.ispc runfail  x86-64 knc-generic   Linux LLVM 3.8   icpc16.0 -O0 *
+% End of KNC-generic vec16-i64 memory layout bugs
+
 % [AVX-512]: These are yet untracked
 ./tests/reduce-max-int64.ispc compfail     x86 avx512knl-i32x16   Linux LLVM 3.7   icpc15.0 -O0 *
 ./tests/reduce-max-int64.ispc compfail     x86 avx512knl-i32x16   Linux LLVM 3.7   icpc15.0 -O2 *