Bug 670195 - Build xl2tpd with kernel support
Summary: Build xl2tpd with kernel support
Alias: None
Product: Fedora
Classification: Fedora
Component: xl2tpd
Version: 17
Hardware: Unspecified
OS: Unspecified
Target Milestone: ---
Assignee: Paul Wouters
QA Contact: Fedora Extras Quality Assurance
Depends On:
TreeView+ depends on / blocked
Reported: 2011-01-17 14:23 UTC by Alexey Torkhov
Modified: 2012-05-02 04:55 UTC (History)
1 user (show)

Fixed In Version: xl2tpd-1.3.1-5.fc17
Doc Type: Bug Fix
Doc Text:
Clone Of:
Last Closed: 2012-05-01 00:56:17 UTC
Type: ---

Attachments (Terms of Use)
xl2tpd log (6.10 KB, text/plain)
2011-01-17 14:25 UTC, Alexey Torkhov
no flags Details

Description Alexey Torkhov 2011-01-17 14:23:32 UTC
Description of problem:
According to xl2tpd description "xl2tpd supports the pppol2tp kernel mode operations on 2.6.23 or higher, or via a patch in contrib for 2.4.x kernels.", but it's built without -DUSE_KERNEL.

I've rebuilt xl2tpd rpm with USE_KERNEL option, but got the following errors when running it:

xl2tpd[12049]: Using l2tp kernel support.
xl2tpd[12049]: setsockopt recvref[22]: Protocol not available
xl2tpd[12049]: start_pppd: Unable to connect PPPoL2TP socket.

Module l2tp_ppp (as well as l2tp_netlink/l2tp_core/pppoe/pppox) was loaded. And it's working without the module with same configuration.

Is it possible to use xl2tpd with kernel support on Fedora's kernel? And if it is possible, could the package in Fedora rebuilt with this option?

Full log is in attachment.

Version-Release number of selected component (if applicable):
xl2tpd-1.2.7-1.fc14.1.x86_64 (built with USE_KERNEL)

Comment 1 Alexey Torkhov 2011-01-17 14:25:00 UTC
Created attachment 473851 [details]
xl2tpd log

Comment 2 Paul Wouters 2011-02-23 05:18:33 UTC
xl2tpd still uses the non-merged in kernel patch style. It needs to be updated to support the new CONFIG_L2TP hooks. It is not specific to fedora kernels.

Comment 3 Paul Wouters 2012-04-18 22:15:01 UTC
Please try out the rawhide build 1.3.1-5 which adds kernel mode support


I might still change the patch, as I don't like the daemon trying to load the module, and I'll move that into the init script.

I've also seen it generate a kernel panic when the ppp l2tp plugin is missing, which is true for the rhel version but not of the fedora version.

Comment 4 Fedora Update System 2012-04-20 15:22:12 UTC
xl2tpd-1.3.1-5.fc17 has been submitted as an update for Fedora 17.

Comment 5 Fedora Update System 2012-04-20 15:51:32 UTC
xl2tpd-1.3.1-5.fc16 has been submitted as an update for Fedora 16.

Comment 6 Fedora Update System 2012-04-21 21:01:00 UTC
Package xl2tpd-1.3.1-5.fc17:
* should fix your issue,
* was pushed to the Fedora 17 testing repository,
* should be available at your local mirror within two days.
Update it with:
# su -c 'yum update --enablerepo=updates-testing xl2tpd-1.3.1-5.fc17'
as soon as you are able to.
Please go to the following url:
then log in and leave karma (feedback).

Comment 7 Fedora Update System 2012-05-01 00:56:17 UTC
xl2tpd-1.3.1-5.fc16 has been pushed to the Fedora 16 stable repository.  If problems still persist, please make note of it in this bug report.

Comment 8 Fedora Update System 2012-05-02 04:55:57 UTC
xl2tpd-1.3.1-5.fc17 has been pushed to the Fedora 17 stable repository.  If problems still persist, please make note of it in this bug report.

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