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[SOLVED] L2TP kernel panic
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Topic: [SOLVED] L2TP kernel panic (Read 11412 times)
macafee
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[SOLVED] L2TP kernel panic
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on:
March 10, 2016, 02:54:32 pm »
The l2tp services is out of services since opnsense16.1.4. The l2tp services led to kernel panic. You must disable the l2tp services if you want to use the new version of opnsense. The image of attachment is the infomation of kernel panic.
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Last Edit: April 12, 2016, 10:23:14 pm by franco
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franco
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Re: L2TP KERNEL PANIC
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Reply #1 on:
March 10, 2016, 08:14:20 pm »
Please mail me at franco at opnsense dot org for further assistance, I will need to take a look at your config
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macafee
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Posts: 58
Karma: 8
Re: L2TP KERNEL PANIC
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Reply #2 on:
March 11, 2016, 01:16:50 pm »
Sorry Franco. The config file includes a lot of sensitive information so that I can't email it to you.
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franco
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Re: L2TP KERNEL PANIC
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Reply #3 on:
March 11, 2016, 02:00:07 pm »
That's ok. I don't necessarily need the config. I can provide:
(a) assistance in restoring an older opnsense version that works
(b) debug the issue so that it's fixed in the next version
I've not been able to reproduce this. I've done a lot of work on L2TP recently and never saw this. It may be related to the interface type that you run the L2TP on.
I need to know which version change caused this. I looked at the 16.1.3 -> 16.1.4 shift and it did not turn up anything. The rework was done later.
Any help here is greatly appreciated.
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franco
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Re: L2TP KERNEL PANIC
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Reply #4 on:
March 22, 2016, 07:11:04 am »
FWIW, the kernel patch below most likely fixes this. I'm saying "most likely" because I have heard nothing back to troubleshoot.
This will be in 16.1.9 or 16.1.10 along with the porting of PPTP/L2TP/PPPoE to MPD5. Let me know if you want a test kernel.
https://github.com/opnsense/src/commit/56b3d8393e8f7d2e6bbd7753e2c8e3e5925f9b11
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macafee
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Posts: 58
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Re: [SOLVED] L2TP kernel panic
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Reply #5 on:
April 01, 2016, 03:27:05 pm »
The problem is still existence. I will retest this problem because I see the new image is released.
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franco
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Re: [SOLVED] L2TP kernel panic
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Reply #6 on:
April 01, 2016, 04:16:25 pm »
Due to sparse feedback the fix is not yet shipped. We're at 16.1.8, note that I said it will be in 16.1.9.
FWIW, there's a test kernel that has the fix in it, you can install via:
# opnsense-update -kr 16.1.8-aslr && /usr/local/etc/rc.bootup
It's a test release, but it's stable. Read more about it here:
https://forum.opnsense.org/index.php?topic=2690.0
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macafee
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Posts: 58
Karma: 8
Re: [SOLVED] L2TP kernel panic
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Reply #7 on:
April 02, 2016, 05:59:32 am »
Ok, I see. Thank you.
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macafee
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Posts: 58
Karma: 8
Re: [SOLVED] L2TP kernel panic
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Reply #8 on:
April 12, 2016, 06:57:01 pm »
I updated the opnsense to 16.1.9 and enable the l2tp services again. Now everything is ok. Thank you.
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franco
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Re: [SOLVED] L2TP kernel panic
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Reply #9 on:
April 12, 2016, 10:27:58 pm »
Hi macafee,
There is a larger rework coming bringing L2TP (as well as PPTP and PPPoE Servers) to MPD5. Some things have changed there, mostly related to having a server IP that is an actual IP on the box (a Virtual IP will suffice too).
Biggest change, however, will be the moving of those services into a VPN plugin that must be installed if needed, as well as the removal of associated kernel patching.
I'm holding those changes off completely until 16.7, but I appreciate all the help in testing and feedback sooner than release date.
Thanks for letting us know this works as expected again.
Cheers,
Franco
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[SOLVED] L2TP kernel panic