Date: Mon, 19 Jul 2004 10:23:16 -0700 (PDT) From: Doug White <dwhite@gumbysoft.com> To: Pawel Jakub Dawidek <pjd@FreeBSD.org> Cc: freebsd-current@freebsd.org Subject: Re: Unloading USB driver while device is attached. Message-ID: <20040719102139.N59702@carver.gumbysoft.com> In-Reply-To: <20040719145745.GH57678@darkness.comp.waw.pl> References: <20040719145745.GH57678@darkness.comp.waw.pl>
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On Mon, 19 Jul 2004, Pawel Jakub Dawidek wrote: > Hello. > > Could someone investigate what's going on for the situation from the > subject? This panic is trivial to reproduce: > > # kldload umass.ko > <plug in your USB bar> > # kldunload umass > # kldload umass > <panic> > > It is not umass related! I think this problem is in our USB implementation. Theres a discussion going on in -arch about making kldunload a bit more careful about cleaning up before detaching. In the interim adding a method that just vetos any unload request would prevent this from occuring, but also preclude unloading the driver. :) -- Doug White | FreeBSD: The Power to Serve dwhite@gumbysoft.com | www.FreeBSD.org
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