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Date:      Mon, 28 Sep 2020 13:53:16 +0200
From:      "Kristof Provost" <kp@FreeBSD.org>
To:        "Alexander Leidinger" <Alexander@leidinger.net>
Cc:        "Shawn Webb" <shawn.webb@hardenedbsd.org>, "FreeBSD Current" <freebsd-current@freebsd.org>
Subject:   Re: iflib/bridge kernel panic
Message-ID:  <33903BFF-4158-4CD9-AD79-360BCD81F1C9@FreeBSD.org>
In-Reply-To: <20200928124531.Horde.0EjsBzIG5ktLzby_tFcoPPS@webmail.leidinger.net>
References:  <CAExMvskTkVprZsfXHBUv9stpiCo1QBAzoOg1VrWd4kRbz0NyJg@mail.gmail.com> <58CADEBB-64FD-414E-AB19-E4F8D3CABCA5@FreeBSD.org> <20200921121627.3dovpumnl6xub3kn@mutt-hbsd> <7FE1F106-2CEE-4692-95D0-14C5229ED768@FreeBSD.org> <20200928124531.Horde.0EjsBzIG5ktLzby_tFcoPPS@webmail.leidinger.net>

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On 28 Sep 2020, at 12:45, Alexander Leidinger wrote:
> Quoting Kristof Provost <kp@freebsd.org> (from Sun, 27 Sep 2020 =

> 17:51:32 +0200):
>> Here=E2=80=99s an early version of a task queue based approach: =

>> http://people.freebsd.org/~kp/0001-bridge-Cope-with-if_ioctl-s-that-sl=
eep.patch
>>
>> That still needs to be cleaned up, but this should resolve the sleep =

>> issue and the LOR.
>
> There are some issues... seems like inside a jail I can't ping systems =

> outside of the hardware.
>
> Bridge setup:
>     - member jail A
>     - member jail B
>     - member external_if of host
>
> If I ping the router from the host, it works. If I ping from one jail =

> to another, it works. If I ping from the jail to the IP of the =

> external_if, it works. If I ping from a jail to the router, I do not =

> get a response.
>
Can you check for 'failed ifpromisc' error messages in dmesg? And verify =

that all bridge member interfaces are in promiscuous mode?

Kristof



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