diff --git a/coreutils-445213-stty-dtrdsr.patch b/coreutils-445213-stty-dtrdsr.patch
new file mode 100644
index 0000000..c118822
--- /dev/null
+++ b/coreutils-445213-stty-dtrdsr.patch
@@ -0,0 +1,59 @@
+diff -urNp coreutils-8.17-orig/doc/coreutils.texi coreutils-8.17/doc/coreutils.texi
+--- coreutils-8.17-orig/doc/coreutils.texi	2013-02-05 13:53:31.305588244 +0100
++++ coreutils-8.17/doc/coreutils.texi	2013-02-05 13:53:55.480586114 +0100
+@@ -13178,6 +13178,13 @@ Disable modem control signals.  May be n
+ @cindex flow control, hardware
+ @cindex RTS/CTS flow control
+ Enable RTS/CTS flow control.  Non-@acronym{POSIX}.  May be negated.
++
++@item cdtrdsr
++@opindex cdtrdsr
++@cindex hardware flow control
++@cindex flow control, hardware
++@cindex DTR/DSR flow control
++Enable DTR/DSR flow control. Non-@acronym{POSIX}.  May be negated.
+ @end table
+ 
+ 
+diff -urNp coreutils-8.17-orig/src/stty.c coreutils-8.17/src/stty.c
+--- coreutils-8.17-orig/src/stty.c	2013-02-05 13:53:31.278585235 +0100
++++ coreutils-8.17/src/stty.c	2013-02-05 13:53:55.481586255 +0100
+@@ -73,6 +73,9 @@
+ #ifndef CINTR
+ # define CINTR Control ('c')
+ #endif
++#ifndef CDTRDSR
++# define CDTRDSR	  004000000000	/* DTR/DSR flow control */
++#endif
+ #ifndef CQUIT
+ # define CQUIT 28
+ #endif
+@@ -216,7 +219,7 @@ static struct mode_info const mode_info[
+ #ifdef CRTSCTS
+   {"crtscts", control, REV, CRTSCTS, 0},
+ #endif
+-
++  {"cdtrdsr", control, REV, CDTRDSR, 0},
+   {"ignbrk", input, SANE_UNSET | REV, IGNBRK, 0},
+   {"brkint", input, SANE_SET | REV, BRKINT, 0},
+   {"ignpar", input, REV, IGNPAR, 0},
+@@ -576,6 +579,7 @@ Control settings:\n\
+    [-]clocal     disable modem control signals\n\
+    [-]cread      allow input to be received\n\
+  * [-]crtscts    enable RTS/CTS handshaking\n\
++ * [-]cdtrdsr    enable DTR/DSR handshaking\n\
+    csN           set character size to N bits, N in [5..8]\n\
+ "), stdout);
+       fputs (_("\
+diff -urNp coreutils-8.17-orig/tests/misc/stty coreutils-8.17/tests/misc/stty
+--- coreutils-8.17-orig/tests/misc/stty	2012-04-19 19:39:23.000000000 +0200
++++ coreutils-8.17/tests/misc/stty	2013-02-05 13:57:55.779588822 +0100
+@@ -52,7 +52,7 @@ for opt in $options; do
+   # other serial control settings give the same error. So skip them.
+   # Also on ppc*|sparc* glibc platforms 'icanon' gives the same error.
+   # See: http://debbugs.gnu.org/7228#14
+-  case $opt in parenb|parodd|cstopb|crtscts|icanon) continue;; esac
++  case $opt in parenb|parodd|cstopb|crtscts|icanon|cdtrdsr) continue;; esac
+ 
+   stty $opt || fail=1
+ 
diff --git a/coreutils.spec b/coreutils.spec
index 18980c5..31723da 100644
--- a/coreutils.spec
+++ b/coreutils.spec
@@ -1,7 +1,7 @@
 Summary: A set of basic GNU tools commonly used in shell scripts
 Name:    coreutils
 Version: 8.20
-Release: 6%{?dist}
+Release: 7%{?dist}
 License: GPLv3+
 Group:   System Environment/Base
 Url:     http://www.gnu.org/software/coreutils/
@@ -31,6 +31,8 @@ Patch103: coreutils-8.2-uname-processortype.patch
 Patch104: coreutils-df-direct.patch
 #add note about mkdir --mode behaviour into info documentation(#610559)
 Patch107: coreutils-8.4-mkdir-modenote.patch
+#add support for dtr/dsr to stty
+Patch108: coreutils-445213-stty-dtrdsr.patch
 
 # sh-utils
 #add info about TZ envvar to date manpage
@@ -140,6 +142,7 @@ the old GNU fileutils, sh-utils, and textutils packages.
 %patch103 -p1 -b .sysinfo
 %patch104 -p1 -b .dfdirect
 %patch107 -p1 -b .mkdirmode
+%patch108 -p1 -b .dtrdsr
 
 # sh-utils
 %patch703 -p1 -b .dateman
@@ -381,6 +384,9 @@ fi
 %{_sbindir}/chroot
 
 %changelog
+* Tue Feb 05 2013 Ondrej Vasik <ovasik@redhat.com> 8.20-7
+- add support for DTR/DSR control flow in stty(#445213)
+
 * Wed Jan 23 2013 Ondrej Vasik <ovasik@redhat.com> 8.20-6
 - fix multiple segmantation faults in i18n patch (by SUSE)
   (#869442, #902917)