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diff -up util-linux-2.23.2/sys-utils/dmesg.c.kzak util-linux-2.23.2/sys-utils/dmesg.c
--- util-linux-2.23.2/sys-utils/dmesg.c.kzak 2013-07-30 11:22:47.213494455 +0200
+++ util-linux-2.23.2/sys-utils/dmesg.c 2014-09-24 10:24:49.179371108 +0200
@@ -991,6 +991,8 @@ static int init_kmsg(struct dmesg_contro
if (!ctl->follow)
mode |= O_NONBLOCK;
+ else
+ setlinebuf(stdout);
ctl->kmsg = open("/dev/kmsg", mode);
if (ctl->kmsg < 0)