diff --git a/man2/signalfd.2 b/man2/signalfd.2
index 11eceeead..2566db319 100644
--- a/man2/signalfd.2
+++ b/man2/signalfd.2
@@ -342,6 +342,15 @@ directory.
 See
 .BR proc (5)
 for further details.
+
+The signalfd mechanism can't be used to receive signals that
+are synchronously generated, such as the
+.BR SIGSEGV
+signal that results from accessing an invalid memory address
+or the
+.BR SIGFPE
+signal that results from an arithmetic error.
+Such signals can be caught only via signal handler.
 .\"
 .SS C library/kernel differences
 The underlying Linux system call requires an additional argument,