Skip site navigation (1)Skip section navigation (2)
Date:      Wed, 21 Jan 2009 10:58:58 +0100
From:      "Paul B. Mahol" <onemda@gmail.com>
To:        Jack Vogel <jfvogel@gmail.com>
Cc:        Eitan Shefi <eitans@mellanox.co.il>, Angelo Turetta <aturetta@bestunion.it>, Sam Leffler <sam@freebsd.org>, Yony Yossef <yonyossef.lists@gmail.com>, freebsd-net@freebsd.org
Subject:   Re: VLAN interface management - unloading carrying driver hangs the machine
Message-ID:  <3a142e750901210158p75ee5606oa83275f343b93b86@mail.gmail.com>
In-Reply-To: <2a41acea0901080109l6189b379q4a348cc80527e90e@mail.gmail.com>
References:  <000001c970a8$3fa45240$220f000a@mtl.com> <4964C2E9.1060301@bestunion.it> <000001c970d9$4403e590$220f000a@mtl.com> <4964EC4F.8030507@freebsd.org> <2a41acea0901071359w3f41465ajb8206cdef5b7b680@mail.gmail.com> <49652E25.9030705@freebsd.org> <000601c97169$b85717b0$220f000a@mtl.com> <2a41acea0901080109l6189b379q4a348cc80527e90e@mail.gmail.com>

next in thread | previous in thread | raw e-mail | index | archive | help
On 1/8/09, Jack Vogel <jfvogel@gmail.com> wrote:
> Fine with me, go do it and I'll take the driver code out :)
>
> Jack
>
>
> On Thu, Jan 8, 2009 at 12:18 AM, Yony Yossef
> <yonyossef.lists@gmail.com>wrote:
>
>> > Jack Vogel wrote:
>> > >
>> > >
>> > > On Wed, Jan 7, 2009 at 9:54 AM, Sam Leffler <sam@freebsd.org
>> > > <mailto:sam@freebsd.org>> wrote:
>> > >
>> > >     Yony Yossef wrote:
>> > >
>> > >             Yony Yossef wrote:
>> > >
>> > >
>> > >                 /sbin/ifconfig vlan3653 create
>> > >
>> > >                 Problem is when I assign an IP to the vlan
>> > interface.
>> > >                 In that case, unloading the driver results
>> > in hanging
>> > >                 the host.
>> > >                  Does it sound familiar to anybody?
>> > >
>> > >
>> > >             Well, surely I'd expect problems by doing so.
>> > >             The correct way is to
>> > >
>> > >                    /sbin/ifconfig vlan3653 destroy
>> > >
>> > >             before unloading the driver.
>> > >
>> > >             Angelo.
>> > >
>> > >
>> > >
>> > >         Thanks, I didn't know freebsd does not allow it.
>> > >
>> > >
>> > >
>> > >     This seems wrong. Someone should disallow the driver
>> > >     detach/unload. Please file a PR about this so the issue
>> > is not lost.
>> > >
>> > >     Sam
>> > >
>> > >
>> > > In many drivers, ahem, like mine, there is a test at detach and it
>> > > will not allow it if there is a non-NULL trunk.
>> > >
>> > > Sounds like a broken driver needs to be fixed is all...
>> > >
>> > I don't agree; drivers should not be required to deal with
>> > this.  If someone files a PR and assigns it to me I'll look at it.
>> >
>> >     Sam
>> >
>>
>> I agree with Sam. There's no reason to leave this check to the driver.
>>
>> Yony
>>
>>
> _______________________________________________
> freebsd-net@freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-net
> To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org"
>

What's the state of this issue?
It is fixed or not?

-- 
Paul



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?3a142e750901210158p75ee5606oa83275f343b93b86>