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From 240c2fea10fda5c84a7725e8711d9cb214a064a9 Mon Sep 17 00:00:00 2001
From: Javier Martinez Canillas <javierm@redhat.com>
Date: Wed, 9 Aug 2017 18:50:44 +0200
Subject: [PATCH] network: Only bring up wired network interfaces
The dracut network module is only supposed to be used for wired interfaces
but if driver modules for wireless devices are wrongly copied, these will
be loaded and the available interfaces brought up.
If the rd.neednet=1 command line parameter is used, dhclient will attempt
to request an IP address for the interfaces and these requests will fail.
But other dracut modules that depend on the network to be settled, will
have to wait for the DHCP requests to timeout. Which can be a lot of time
since the dhclient default timeout value is 60 seconds.
Instead of trying to blacklist all possible kernel modules for wireless
devices, only bring up network interfaces if these are for wired devices.
Suggested-by: Harald Hoyer <harald@redhat.com>
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Cherry-picked from: 17927597213854b2fdf15461353882339fdb5051
Resolves: #1480246
---
modules.d/40network/net-genrules.sh | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/modules.d/40network/net-genrules.sh b/modules.d/40network/net-genrules.sh
index 08072fbe..c4396f77 100755
--- a/modules.d/40network/net-genrules.sh
+++ b/modules.d/40network/net-genrules.sh
@@ -102,7 +102,7 @@ command -v fix_bootif >/dev/null || . /lib/net-lib.sh
# Default: We don't know the interface to use, handle all
# Fixme: waiting for the interface as well.
else
- cond='ACTION=="add", SUBSYSTEM=="net"'
+ cond='ACTION=="add", SUBSYSTEM=="net", ENV{DEVTYPE}!="wlan|wwan"'
# if you change the name of "91-default-net.rules", also change modules.d/80cms/cmssetup.sh
echo "$cond, $runcmd" > /etc/udev/rules.d/91-default-net.rules
fi