On Tue, Jan 22, 2013 at 02:46:48PM -0600, Paul Keusemann wrote: > Hi, > > I've got a Dell R200 which I'm trying to build into a gateway with a Sun > QGE (501-6738-10). The cas driver fails to load the first time I try to > load it but succeeds the second time. Is this a problem with the card, > the driver, my karma?
Wrong phase of the moon, apparently :) The MII setup of these chips is a bit tricky and I'm not sure whether I've hit all code paths during development of the driver. I certainly didn't test with a 501-6738, these have been reported as working before, though. It also doesn't make much sense that attaching the devices succeeds on the second attempt. Could you please use a if_cas.ko built with the attached patch and report the debug output for one of the interfaces in both the working and the non-working case? Marius
Index: if_cas.c =================================================================== --- if_cas.c (revision 245046) +++ if_cas.c (working copy) @@ -332,6 +332,8 @@ cas_attach(struct cas_softc *sc) */ error = ENXIO; v = CAS_READ_4(sc, CAS_MIF_CONF); +device_printf(sc->sc_dev, "MIF=0x%x PCFG=0x%x\n", v, +CAS_READ_4(sc, CAS_SATURN_PCFG)); if ((v & CAS_MIF_CONF_MDI1) != 0) { v |= CAS_MIF_CONF_PHY_SELECT; CAS_WRITE_4(sc, CAS_MIF_CONF, v); @@ -347,6 +349,8 @@ cas_attach(struct cas_softc *sc) error = mii_attach(sc->sc_dev, &sc->sc_miibus, ifp, cas_mediachange, cas_mediastatus, BMSR_DEFCAPMASK, MII_PHY_ANY, MII_OFFSET_ANY, MIIF_DOPAUSE); +if (error == 0) +device_printf(sc->sc_dev, "external PHY\n"); } /* * Fall back on an internal PHY if no external PHY was found. @@ -367,6 +371,8 @@ cas_attach(struct cas_softc *sc) error = mii_attach(sc->sc_dev, &sc->sc_miibus, ifp, cas_mediachange, cas_mediastatus, BMSR_DEFCAPMASK, MII_PHY_ANY, MII_OFFSET_ANY, MIIF_DOPAUSE); +if (error == 0) +device_printf(sc->sc_dev, "internal PHY\n"); } } else { /*
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