Date: Wed, 7 Jan 2009 13:59:58 -0800 From: "Jack Vogel" <jfvogel@gmail.com> To: "Sam Leffler" <sam@freebsd.org> Cc: Eitan Shefi <eitans@mellanox.co.il>, Angelo Turetta <aturetta@bestunion.it>, Yony Yossef <yonyossef.lists@gmail.com>, freebsd-net@freebsd.org Subject: Re: VLAN interface management - unloading carrying driver hangs the machine Message-ID: <2a41acea0901071359w3f41465ajb8206cdef5b7b680@mail.gmail.com> In-Reply-To: <4964EC4F.8030507@freebsd.org> References: <000001c970a8$3fa45240$220f000a@mtl.com> <4964C2E9.1060301@bestunion.it> <000001c970d9$4403e590$220f000a@mtl.com> <4964EC4F.8030507@freebsd.org>
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On Wed, Jan 7, 2009 at 9:54 AM, Sam Leffler <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... Jack
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