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From: Randy Bush <randy@psg.com>
To: Marius Strobl <marius@alchemy.franken.de>
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Cc: FreeBSD Stable <freebsd-stable@freebsd.org>, FreeBSD Net <net@freebsd.org>
Subject: Re: 9-stable - ifmedia_set: no match for 0x0/0xfffffff
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> Hrm, the problem apparently is that while when probing, the PHY
> still knows about the media it supports, it just has forgotten
> about it after the reset during attach. There was a change prior
> to 8.2 which would turn this from silently being ignored (which
> generally might or might not work) into resulting what you see
> now (the upper layers arguably shouldn't trigger a panic in this
> case though). I can't remember a change to either bge(4) or
> brgphy(4) between 8.2 and now which could trigger this though.
> Have you tried to set the loader-tunable hw.bge.allow_asf to 0?
> The default for that option still is different between 8 and 9+.

it no longer panics when booting, but the interface comes up not seeing
carrier

bge0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
        options=8009b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,LINKSTATE>
        ether 00:30:48:82:11:a2
        inet 198.180.150.1 netmask 0xffffff80 broadcast 198.180.150.127
        inet6 fe80::230:48ff:fe82:11a2%bge0 prefixlen 64 scopeid 0x1 
        inet6 2001:418:8006::1 prefixlen 64 
        inet 198.180.150.2 netmask 0xffffffff broadcast 198.180.150.2
        nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
        media: Ethernet 1000baseT (none)
        status: no carrier

randy