Date: Tue, 24 Jun 2014 06:39:50 +0200 From: Hans Petter Selasky <hps@selasky.org> To: "Lundberg, Johannes" <johannes@brilliantservice.co.jp> Cc: FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: ucom_free Fatal trap on shutdown / module unload Message-ID: <53A90116.7040306@selasky.org> In-Reply-To: <CAASDrVkBjqoKFTF48Vyv3dRRUxKfVpCZ5uMjb7P%2BMy_tnGOF7w@mail.gmail.com> References: <CAASDrVkFfhyU8Jb4EB%2B4V32skfFijX9TKLSysjGK=0ye=G9GgA@mail.gmail.com> <53A3E81B.5050805@selasky.org> <CAASDrVnpVgmP4zg0jbqAc197DnX5_bgWRE3pA08foRMF6N9WVQ@mail.gmail.com> <53A79732.6060705@selasky.org> <CAASDrVkBjqoKFTF48Vyv3dRRUxKfVpCZ5uMjb7P%2BMy_tnGOF7w@mail.gmail.com>
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On 06/23/14 07:34, Lundberg, Johannes wrote: > I added some logging to see what is going on and this is what I got (none > of the proposed solution solved the problem) > > uhso_detach gets called 7 times (for oid 0-6). It crashes the 2nd time on > the call usbd_transfer_unsetup(sc->sc_xfer, 3); > Hi, You are running -stable presumably? Can you set hw.usb.debug=16 and collects the 10 last prints before the panic, and backtrace would be nice too. This does not happen when you unplug the device, correct? --HPS
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