Date: Thu, 8 Jan 2009 18:38:54 +0100 From: Hans Petter Selasky <hselasky@freebsd.org> To: "M. Warner Losh" <imp@bsdimp.com> Cc: perforce@freebsd.org Subject: Re: PERFORCE change 155755 for review Message-ID: <200901081838.55030.hselasky@freebsd.org> In-Reply-To: <20090108.102453.-1749728154.imp@bsdimp.com> References: <200901071327.n07DRFt5091936@repoman.freebsd.org> <20090108.102453.-1749728154.imp@bsdimp.com>
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On Thursday 08 January 2009, M. Warner Losh wrote: > In message: <200901071327.n07DRFt5091936@repoman.freebsd.org> > > Hans Petter Selasky <hselasky@freebsd.org> writes: > : Fix a race causing the explore thread to > : hang when tearing down USB transfers at > : detach. > > Would this explain a hang with a wait channel of DMSG on kldunload of > the drivers? > > Warner Yes, If "ps auxw| grep DRAIN" shows you something. Try out -current next week if you don't have access to P4. --HPS
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