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systemd/0002-units-serial-getty-.service-use-the-default-RestartS.patch

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Based on 4bf04322b8b7ecca4f3d65cfc642d0ac16356129 Mon Sep 17 00:00:00 2001
From: Michael Olbrich <m.olbrich@pengutronix.de>
Date: Tue, 15 Jul 2014 18:28:10 +0200
Subject: [PATCH] units/serial-getty@.service: use the default RestartSec
For pluggable ttys such as USB serial devices, the getty is restarted
and exits in a loop until the remove event reaches systemd. Under
certain circumstances the restart loop can overload the system in a
way that prevents the remove event from reaching systemd for a long
time (e.g. at least several minutes on a small embedded system).
Use the default RestartSec to prevent the restart loop from
overloading the system. Serial gettys are interactive units, so
waiting an extra 100ms really doesn't make a difference anyways
compared to the time it takes the user to log in.
---
units/serial-getty@.service.m4 | 1 -
1 file changed, 1 deletion(-)
--- units/serial-getty@.service.m4
+++ units/serial-getty@.service.m4 2014-07-16 00:00:00.000000000 +0000
@@ -27,7 +27,6 @@ ExecStart=-/sbin/agetty --keep-baud %I 1
ExecStopPost=-/sbin/vhangup /dev/%I
Type=idle
Restart=always
-RestartSec=0
UtmpIdentifier=%I
TTYPath=/dev/%I
TTYReset=yes