diff --git a/.gitignore b/.gitignore
index 7a60ae1..6a7d4b1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 /sys-3fd5a3612ccd7907f26270fa92579a0f2f76f734.tar.gz
 /sys-fde4db37ae7ad8191b03d30d27f258b5291ae4e3.tar.gz
+/sys-ac6580df4449443a05718fd7858c1f91ad5f8d20.tar.gz
diff --git a/golang-x-sys-Disable-TestOpenByHandleAt.patch b/golang-x-sys-Disable-TestOpenByHandleAt.patch
new file mode 100644
index 0000000..954a320
--- /dev/null
+++ b/golang-x-sys-Disable-TestOpenByHandleAt.patch
@@ -0,0 +1,29 @@
+diff -up sys-ac6580df4449443a05718fd7858c1f91ad5f8d20/unix/syscall_linux_test.go.orig sys-ac6580df4449443a05718fd7858c1f91ad5f8d20/unix/syscall_linux_test.go
+--- sys-ac6580df4449443a05718fd7858c1f91ad5f8d20/unix/syscall_linux_test.go.orig	2019-12-10 03:34:23.000000000 +0100
++++ sys-ac6580df4449443a05718fd7858c1f91ad5f8d20/unix/syscall_linux_test.go	2019-12-15 21:07:20.485011744 +0100
+@@ -15,7 +15,7 @@ import (
+ 	"os"
+ 	"runtime"
+ 	"runtime/debug"
+-	"strconv"
++// 	"strconv"
+ 	"strings"
+ 	"testing"
+ 	"time"
+@@ -571,6 +571,8 @@ func TestClockNanosleep(t *testing.T) {
+ 	}
+ }
+ 
++/* This test does not work in Mock/Koji environment because it has no access to
++ * /proc with nspawn. It works with --isolation=simple.
+ func TestOpenByHandleAt(t *testing.T) {
+ 	skipIfNotSupported := func(t *testing.T, name string, err error) {
+ 		if err == unix.EPERM {
+@@ -622,6 +624,7 @@ func TestOpenByHandleAt(t *testing.T) {
+ 		})
+ 	}
+ }
++*/
+ 
+ func openMountByID(mountID int) (f *os.File, err error) {
+ 	mi, err := os.Open("/proc/self/mountinfo")
diff --git a/golang-x-sys.spec b/golang-x-sys.spec
index f33abf7..48ebc39 100644
--- a/golang-x-sys.spec
+++ b/golang-x-sys.spec
@@ -4,7 +4,7 @@
 # https://github.com/golang/sys
 %global goipath         golang.org/x/sys
 %global forgeurl        https://github.com/golang/sys
-%global commit          fde4db37ae7ad8191b03d30d27f258b5291ae4e3
+%global commit          ac6580df4449443a05718fd7858c1f91ad5f8d20
 
 %gometa
 
@@ -23,7 +23,7 @@ Go packages for low-level interactions with the operating system.}
 
 Name:           %{goname}
 Version:        0
-Release:        0.28%{?dist}
+Release:        0.29%{?dist}
 Summary:        Go packages for low-level interaction with the operating system
 
 # Upstream license specification: BSD-3-Clause
@@ -32,6 +32,8 @@ URL:            %{gourl}
 Source0:        %{gosource}
 Source1:        glide.yaml
 Source2:        glide.lock
+# Disable TestOpenByHandleAt which doesn't work in Mock chroot
+Patch0:         golang-x-sys-Disable-TestOpenByHandleAt.patch
 
 %description
 %{common_description}
@@ -40,6 +42,7 @@ Source2:        glide.lock
 
 %prep
 %goprep
+%patch -p1
 cp %{S:1} %{S:2} .
 
 %install
@@ -53,6 +56,10 @@ cp %{S:1} %{S:2} .
 %gopkgfiles
 
 %changelog
+* Sun Dec 15 20:24:34 CET 2019 Robert-André Mauchin <zebob.m@gmail.com> - 0-0.29.20191215gitac6580d
+- Bump to commit ac6580df4449443a05718fd7858c1f91ad5f8d20
+- Disable TestOpenByHandleAt test
+
 * Sun Aug 18 2019 Elliott Sales de Andrade <quantum.analyst@gmail.com> - 0-0.28.20190818gitfde4db3
 - Bump to commit fde4db37ae7ad8191b03d30d27f258b5291ae4e3
 
diff --git a/sources b/sources
index 5641fdb..a532f29 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (sys-fde4db37ae7ad8191b03d30d27f258b5291ae4e3.tar.gz) = 10d47c2b5fc004872db6e61b447d258aed143891eb7b68f4b8d3afd135511ee7138b61580c5c6cb6e4c953f640f0c581aa1a1450e42054a0c497d5e91e40ba7f
+SHA512 (sys-ac6580df4449443a05718fd7858c1f91ad5f8d20.tar.gz) = 04694885729ba407504280b2b1e276c5f7fb6e33058bf6a27929223a5d95f800c3f773bbcd2c1721ff8778ab4a22cb80ee2455dbd70b6a96b2a148a6bbe746c3