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