diff --git a/systemd-236-use_raw_file_descriptor_in_sysctl_write.patch b/systemd-236-use_raw_file_descriptor_in_sysctl_write.patch
new file mode 100644
index 0000000..79689d2
--- /dev/null
+++ b/systemd-236-use_raw_file_descriptor_in_sysctl_write.patch
@@ -0,0 +1,58 @@
+From 521251d2757295b6e9df4b51c7cb33929fbd65c4 Mon Sep 17 00:00:00 2001
+From: Mike Gilbert <floppymaster@gmail.com>
+Date: Sat, 30 Dec 2017 06:16:49 -0500
+Subject: [PATCH] sysctl: use raw file descriptor in sysctl_write (#7753)
+
+The kernel returns specific error codes which may be lost if we use the
+libc buffered io functions.
+
+Fixes: https://github.com/systemd/systemd/issues/7744
+---
+ src/shared/sysctl-util.c | 17 ++++++++++++++++-
+ 1 file changed, 16 insertions(+), 1 deletion(-)
+
+diff --git a/src/shared/sysctl-util.c b/src/shared/sysctl-util.c
+index 189580e3ed..0bc81aaa56 100644
+--- a/src/shared/sysctl-util.c
++++ b/src/shared/sysctl-util.c
+@@ -18,9 +18,13 @@
+   along with systemd; If not, see <http://www.gnu.org/licenses/>.
+ ***/
+ 
++#include <errno.h>
++#include <fcntl.h>
+ #include <stdio.h>
+ #include <string.h>
++#include <unistd.h>
+ 
++#include "fd-util.h"
+ #include "fileio.h"
+ #include "log.h"
+ #include "macro.h"
+@@ -53,6 +57,7 @@ char *sysctl_normalize(char *s) {
+ 
+ int sysctl_write(const char *property, const char *value) {
+         char *p;
++        _cleanup_close_ int fd = -1;
+ 
+         assert(property);
+         assert(value);
+@@ -60,7 +65,17 @@ int sysctl_write(const char *property, const char *value) {
+         log_debug("Setting '%s' to '%s'", property, value);
+ 
+         p = strjoina("/proc/sys/", property);
+-        return write_string_file(p, value, WRITE_STRING_FILE_DISABLE_BUFFER);
++        fd = open(p, O_WRONLY|O_CLOEXEC);
++        if (fd < 0)
++                return -errno;
++
++        if (!endswith(value, "\n"))
++                value = strjoina(value, "\n");
++
++        if (write(fd, value, strlen(value)) < 0)
++                return -errno;
++
++        return 0;
+ }
+ 
+ int sysctl_read(const char *property, char **content) {
diff --git a/systemd.spec b/systemd.spec
index f8eef61..47c5f75 100644
--- a/systemd.spec
+++ b/systemd.spec
@@ -26,7 +26,7 @@
 Name:          systemd
 Epoch:         2
 Version:       236
-Release:       1mamba
+Release:       2mamba
 Summary:       A system and service manager compatible with SysV and LSB init scripts
 Group:         System/Configuration
 Vendor:        openmamba
@@ -62,6 +62,7 @@ Patch13:       systemd-219-upstream_do_not_spawn_jobs_or_during_coldplug.patch
 Patch14:       systemd-219-silend-about-device-appeared-twice.patch
 Patch15:       systemd-232-udev-rootlibdir.patch
 Patch16:        systemd-232-i586-disable_restrict_address_families.patch
+Patch17:        systemd-236-use_raw_file_descriptor_in_sysctl_write.patch
 License:       GPL
 ## AUTOBUILDREQ-BEGIN
 BuildRequires: glibc-devel
@@ -228,6 +229,7 @@ This package include development files for building software using udev librarie
 #%patch14 -p1
 #%patch15 -p1
 %patch16 -p1
+%patch17 -p1
 
 %build
 #./autogen.sh
@@ -719,6 +721,9 @@ fi
 %{_libdir}/pkgconfig/libudev.pc
 
 %changelog
+* Tue Jan 02 2018 Silvan Calarco <silvan.calarco@mambasoft.it> 236-2mamba
+- upstream patch to fix sysctl boot error
+
 * Wed Dec 20 2017 Silvan Calarco <silvan.calarco@mambasoft.it> 236-1mamba
 - update to 236