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Date:      Tue, 11 Oct 2016 08:30:06 -0300
From:      Cassiano Peixoto <peixotocassiano@gmail.com>
To:        Eugene Grosbein <eugen@grosbein.net>
Cc:        =?UTF-8?B?0JDQvdC00YDQtdC5INCb0LXRg9GI0LrQuNC9?= <laa88rf@gmail.com>,  net@freebsd.org
Subject:   Re: FreeBSD10.3-RELEASE. Kernel panic.
Message-ID:  <CAJajdNUXOrzWDKVmSB1Xm_G6zqBhMsZ2vesDcAw2CPGFBU0xtg@mail.gmail.com>
In-Reply-To: <57FC859F.5000200@grosbein.net>
References:  <CAAFYNruF4gFAiTCAhyRUQzcovW2osrKn4ehiuNR0btJCZbnOGg@mail.gmail.com> <57FC859F.5000200@grosbein.net>

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Hi,

There are many users complaining about this:

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D186114

I've been dealing with this issue for one year with no solution. mpd5 as
pppoe server on FreeBSD is useless with this bug.

I really would like to see it working again, i think it's quite important
to both project and many users.

Thanks.

On Tue, Oct 11, 2016 at 3:24 AM, Eugene Grosbein <eugen@grosbein.net> wrote=
:

> 11.10.2016 11:02, =D0=90=D0=BD=D0=B4=D1=80=D0=B5=D0=B9 =D0=9B=D0=B5=D1=83=
=D1=88=D0=BA=D0=B8=D0=BD =D0=BF=D0=B8=D1=88=D0=B5=D1=82:
>
>> Hello. I have problem with "FreeBSD nas 10.3-RELEASE FreeBSD 10.3-RELEAS=
E
>> #0: Fri Oct  7 21:12:56 YEKT 2016     nas@nas:/usr/obj/usr/src/sys/nasv3
>>   amd64"
>>
>> Kernel panic is repeated at intervals of 2-3 days. At first I thought th=
at
>> the problem is in the hardware, but the problem did not go away after
>> replacing the server platform.
>>
>> Coredumps and more info on link
>> https://drive.google.com/open?id=3D0BxciMy2q7ZjTTkIxem9wTE1tM2M
>>
>> Sorry for my english.
>> I'll wait for an answer.
>>
>
> This is known and long-stanging problem in the FreeBSD network stack.
> It shows up when you have lots of network interfaced created/removed
> frequently
> like in your case of Network Access Server (PPtP, PPPoE etc).
>
> Generally, people run into this problem using mpd5 network daemon.
> mpd5 uses NETGRAPH kernel subsystem to process traffic and
> if an interface disappears (f.e., ,user disconnected)
> while kernel still processes traffic obtained from this interface, it
> panices.
>
> There were lots of reports of this problem. Noone seems to be working on
> it at the moment.
> You should fill a PR using Bugzilla and attach your logs to it.
>
> Eugene Grosbein
>
>
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>



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