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From 880fa850aef7f5a28834f5c08a28ac4e9d885f8e Mon Sep 17 00:00:00 2001
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From: Michael Olbrich <m.olbrich@pengutronix.de>
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Date: Tue, 15 Jul 2014 18:28:10 +0200
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Subject: [PATCH] units/serial-getty@.service: use the default RestartSec
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For pluggable ttys such as USB serial devices, the getty is restarted
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and exits in a loop until the remove event reaches systemd. Under
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certain circumstances the restart loop can overload the system in a
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way that prevents the remove event from reaching systemd for a long
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time (e.g. at least several minutes on a small embedded system).
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Use the default RestartSec to prevent the restart loop from
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overloading the system. Serial gettys are interactive units, so
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waiting an extra 100ms really doesn't make a difference anyways
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compared to the time it takes the user to log in.
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(cherry picked from commit 4bf04322b8b7ecca4f3d65cfc642d0ac16356129)
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(cherry picked from commit 89b958ef6a43400d1f7b25c58b02f4b5c3c59b36)
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---
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units/serial-getty@.service.m4 | 1 -
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1 file changed, 1 deletion(-)
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diff --git a/units/serial-getty@.service.m4 b/units/serial-getty@.service.m4
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index aea078f48f..1c2a52174b 100644
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--- a/units/serial-getty@.service.m4
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+++ b/units/serial-getty@.service.m4
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@@ -25,7 +25,6 @@ IgnoreOnIsolate=yes
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ExecStart=-/sbin/agetty --keep-baud %I 115200,38400,9600
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Type=idle
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Restart=always
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-RestartSec=0
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UtmpIdentifier=%I
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TTYPath=/dev/%I
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TTYReset=yes
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