https://bugzilla.redhat.com/show_bug.cgi?id=1794886
Bug ID: 1794886
Summary: modprobe by alias broken
Product: Fedora
Version: 31
Status: NEW
Component: kmod
Assignee: kmod-maint(a)lists.fedoraproject.org
Reporter: doug(a)uq.edu.au
QA Contact: extras-qa(a)fedoraproject.org
CC: jonathan(a)jonmasters.org,
kmod-maint(a)lists.fedoraproject.org,
skozina(a)redhat.com, ykaliuta(a)redhat.com
Target Milestone: ---
Classification: Fedora
Description of problem:
`modprobe net-l2tp-type-7` doesn't work, but `modprobe l2tp_ppp` does.
Note that net-l2tp-type-7 is an alias of l2tp_ppp :
$ modinfo l2tp_ppp | grep alias
alias: net-l2tp-type-7
alias: net-pf-24-proto-1
Version-Release number of selected component (if applicable):
How reproducible: always on Fedora 31, but works fine on Fedora 30.
Steps to Reproduce:
1. Ensure kernel-modules-extra is installed,
as it has the l2tp_ppp kernel module.
2. sudo modprobe net-l2tp-type-7
Actual results:
No l2tp_ppp (or for that matter any l2tp) kernel module has been loaded:
$ lsmod | grep l2tp
Expected results:
This is the output on Fedora 30 :
$ lsmod | grep l2tp
l2tp_ppp 32768 0
l2tp_netlink 28672 1 l2tp_ppp
l2tp_core 36864 2 l2tp_ppp,l2tp_netlink
pppox 16384 1 l2tp_ppp
ip6_udp_tunnel 16384 1 l2tp_core
udp_tunnel 16384 1 l2tp_core
ppp_generic 49152 2 pppox,l2tp_ppp
If `modprobe l2tp_ppp` is used instead, the lsmod output is the same as Fedora
30.
Additional info:
I also tried using Fedora 30 kernels on Fedora 31, but same result, so can
probably rule out the kernel and different kernel versions.
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