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02-22-2008, 12:39 PM
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 Re: ucom(4) patch > I got kernel panics on detaching from cu(1) with wrong speed. > ucomstart() tried to usbd_setup_xfern on already free'd sc->sc_oxfer What about moving ttyclose() into the spl protected section instead? Miod > Index: ucom.c > ================================================== ================= > RCS file: /cvs/src/sys/dev/usb/ucom.c,v > retrieving revision 1.31 > diff -u -r1.31 ucom.c > --- ucom.c 2006/08/18 02:54:11 1.31 > +++ ucom.c 2006/08/22 18:55:45 > @@ -545,11 +545,11 @@ > > (*LINESW(tp, l_close))(tp, flag); > s = spltty(); > - ucom_cleanup(sc); > CLR(tp->t_state, TS_BUSY | TS_FLUSH); > sc->sc_cua = 0; > splx(s); > ttyclose(tp); > + ucom_cleanup(sc); > > if (sc->sc_methods->ucom_close != NULL) > sc->sc_methods->ucom_close(sc->sc_parent, sc->sc_portno);      |
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