diff --git a/.travis.yml b/.travis.yml
index 00a2509f9..82e2aaac8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -177,8 +177,8 @@ matrix:
       dist: trusty
       sudo: required
       services: docker
-      env: IMAGE_ARCH=arm32 TARGET_ARCH=ARMV6 COMPILER=gcc
-      name: "Emulated Build for ARMV6 with gcc"
+      env: IMAGE_ARCH=arm32 TARGET_ARCH=ARMV6 COMPILER=clang
+      name: "Emulated Build for ARMV6 with clang"
       before_install: sudo docker run --rm --privileged multiarch/qemu-user-static:register --reset
       script: |
         echo "FROM openblas/alpine:${IMAGE_ARCH}
@@ -193,9 +193,6 @@ matrix:
                                  -D CMAKE_BUILD_TYPE=Release ../  &&  \
             cmake --build ." > Dockerfile
         docker build .
-    - <<: *emulated-arm
-      env: IMAGE_ARCH=arm32 TARGET_ARCH=ARMV6 COMPILER=clang
-      name: "Emulated Build for ARMV6 with clang"
     - <<: *emulated-arm
       env: IMAGE_ARCH=arm64 TARGET_ARCH=ARMV8 COMPILER=gcc
       name: "Emulated Build for ARMV8 with gcc"
@@ -204,7 +201,6 @@ matrix:
       name: "Emulated Build for ARMV8 with clang"
 
   allow_failures:
-    - env: IMAGE_ARCH=arm32 TARGET_ARCH=ARMV6 COMPILER=gcc
     - env: IMAGE_ARCH=arm32 TARGET_ARCH=ARMV6 COMPILER=clang
     - env: IMAGE_ARCH=arm64 TARGET_ARCH=ARMV8 COMPILER=gcc
     - env: IMAGE_ARCH=arm64 TARGET_ARCH=ARMV8 COMPILER=clang
diff --git a/README.md b/README.md
index 68a121498..14815ff00 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,8 @@ Travis CI: [![Build Status](https://travis-ci.org/xianyi/OpenBLAS.svg?branch=dev
 
 AppVeyor: [![Build status](https://ci.appveyor.com/api/projects/status/09sohd35n8nkkx64/branch/develop?svg=true)](https://ci.appveyor.com/project/xianyi/openblas/branch/develop)
 
+[![Build Status](https://dev.azure.com/xianyi/OpenBLAS/_apis/build/status/xianyi.OpenBLAS?branchName=develop)](https://dev.azure.com/xianyi/OpenBLAS/_build/latest?definitionId=1&branchName=develop)
+
 ## Introduction
 
 OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version.
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index cef2ef973..cbea6f4a7 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -1,21 +1,18 @@
-# Starter pipeline
-# Start with a minimal pipeline that you can customize to build and deploy your code.
-# Add steps that build, run tests, deploy, and more:
-# https://aka.ms/yaml
-
 trigger:
-- master
+  # start a new build for every push
+  batch: False
+  branches:
+    include:
+      - develop
 
-pool:
-  vmImage: 'ubuntu-latest'
-
-steps:
-- script: echo Hello, world!
-  displayName: 'Run a one-line script'
-
-- script: |
-    docker run --rm --privileged multiarch/qemu-user-static:register --reset
-    echo "FROM openblas/alpine:arm32
+jobs:
+- job: ARMv6_gcc
+  pool:
+    vmImage: 'ubuntu-16.04'
+  steps:
+  - script: |
+      docker run --rm --privileged multiarch/qemu-user-static:register --reset
+      echo "FROM openblas/alpine:arm32
         COPY . /tmp/openblas
         RUN mkdir /tmp/openblas/build                             &&  \
             cd /tmp/openblas/build                                &&  \
@@ -27,10 +24,24 @@ steps:
                                  -D BUILD_WITHOUT_CBLAS=ON            \
                                  -D CMAKE_BUILD_TYPE=Release ../  &&  \
             cmake --build ." > Dockerfile
-    docker build .
-  displayName: Run ARMV6 docker build
-
-#- script: |
-#    echo Add other tasks to build, test, and deploy your project.
-#    echo See https://aka.ms/yaml
-#  displayName: 'Run a multi-line script'
+      docker build .
+    displayName: Run ARMV6 docker build
+# manylinux1 is useful to test because the
+# standard Docker container uses an old version
+# of gcc / glibc
+- job: manylinux1_gcc
+  pool:
+    vmImage: 'ubuntu-16.04'
+  steps:
+  - script: |
+      echo "FROM quay.io/pypa/manylinux1_x86_64
+        COPY . /tmp/openblas
+        RUN cd /tmp/openblas                                      &&  \
+            COMMON_FLAGS='DYNAMIC_ARCH=1 TARGET=NEHALEM NUM_THREADS=32' && \
+            BTYPE='BINARY=64' CC=gcc && \
+            make QUIET_MAKE=1 $COMMON_FLAGS $BTYPE && \
+            make -C test $COMMON_FLAGS $BTYPE && \
+            make -C ctest $COMMON_FLAGS $BTYPE && \
+            make -C utest $COMMON_FLAGS $BTYPE" > Dockerfile
+      docker build .
+    displayName: Run manylinux1 docker build
diff --git a/lapack/getrf/getrf_parallel.c b/lapack/getrf/getrf_parallel.c
index 591ce4a99..c82defcab 100644
--- a/lapack/getrf/getrf_parallel.c
+++ b/lapack/getrf/getrf_parallel.c
@@ -279,9 +279,6 @@ static int inner_advanced_thread(blas_arg_t *args, BLASLONG *range_m, BLASLONG *
     for (i = 0; i < args -> nthreads; i++)
 #if 1
     {
-	LOCK_COMMAND(&getrf_lock);
-	jw = job[mypos].working[i][CACHE_LINE_SIZE * bufferside];
-	UNLOCK_COMMAND(&getrf_lock);
 	do {
 	    LOCK_COMMAND(&getrf_lock);
 	    jw = job[mypos].working[i][CACHE_LINE_SIZE * bufferside];
@@ -368,9 +365,6 @@ static int inner_advanced_thread(blas_arg_t *args, BLASLONG *range_m, BLASLONG *
 
 	  if ((current != mypos) && (!is)) {
 #if 1
-		LOCK_COMMAND(&getrf_lock);
-		jw = job[current].working[mypos][CACHE_LINE_SIZE * bufferside];
-		UNLOCK_COMMAND(&getrf_lock);
 		do {
 		    LOCK_COMMAND(&getrf_lock);
 		    jw = job[current].working[mypos][CACHE_LINE_SIZE * bufferside];
@@ -402,9 +396,6 @@ static int inner_advanced_thread(blas_arg_t *args, BLASLONG *range_m, BLASLONG *
   for (i = 0; i < args -> nthreads; i++) {
     for (xxx = 0; xxx < DIVIDE_RATE; xxx++) {
 #if 1
-	LOCK_COMMAND(&getrf_lock);
-	jw = job[mypos].working[i][CACHE_LINE_SIZE *xxx];
-	UNLOCK_COMMAND(&getrf_lock);
 	do {
 	    LOCK_COMMAND(&getrf_lock);
 	    jw = job[mypos].working[i][CACHE_LINE_SIZE *xxx];