3Com 3c905B-COMBO and 10base2/BNC

[Jeff Mohler]

What museum is this in, can we visit it?



On 11/2/06, Karol Kwiatkowski <freebsd at orchid.homeunix.org> wrote:
> Hi all,
>
> anyone got 3Com 3c905B-COMBO network card (Fast EtherLink XL PCI)
> working with 10base2/BNC?
>
> I just bought one and I can't figure it out. It has BNC connector and
> should be supported according to man xl page.
>
> With ifconfig_xl0="DHCP" in /etc/rc.conf and BNC cable connected (with
> terminator) ifconfig reports:
>
> xl0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
>         options=9<RXCSUM,VLAN_MTU>
>         inet6 fe80::204:76ff:feed:6697%xl0 prefixlen 64 scopeid 0x1
>         ether 00:04:76:ed:66:97
>         media: Ethernet autoselect (none)
>         status: no carrier
>
> dhclient reports "xl0: no link..... giving up"
>
>
> Now, if I manually try to switch to BNC media with:
>
> # ifconfig xl0 media 10base2/BNC
>
> I get:
>
> # xl0: selecting AUI media, half-duplex
>
> and a kernel panic (trap 12).
>
> The BNC cable itself works with another box. More information below.
> Any help appreciated.
>
> Karol
>
>
> uname:
>
> FreeBSD 6.1-SECURITY #0: Mon Aug 28 05:21:08 UTC 2006
> root at builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC i386
>
>
> verbose dmesg:
>
> xl0: <3Com 3c905B-COMBO Fast Etherlink XL> port 0xec00-0xec7f mem
> 0xfebffc00-0xfebffc7f irq 10 at device 14.0 on pci0
> xl0: Reserved 0x80 bytes for rid 0x14 type 3 at 0xfebffc00
> xl0: using memory mapped I/O
> xl0: media options word: 3a
> xl0: found MII/AUTO
> miibus0: <MII bus> on xl0
> xlphy0: <3Com internal media interface> on miibus0
> xlphy0:  10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
> xl0: found AUI
> xl0: found BNC
> xl0: bpf attached
> xl0: Ethernet address: 00:04:76:ed:66:97
> xl0: [MPSAFE]
>
>
> vmstat -i:
>
> interrupt                          total       rate
> irq0: clk                         561773        997
> irq1: atkbd0                         257          0
> irq5: rl0                             48          0
> irq6: fdc0                            11          0
> irq8: rtc                          71886        127
> irq10: xl0                             3          0
> irq14: ata0                         2139          3
> irq15: ata1                           47          0
> Total                             636164       1129
>
>
> --
> Karol Kwiatkowski  <freebsd at orchid dot homeunix dot org>
> OpenPGP: http://www.orchid.homeunix.org/carlos/gpg/0x06E09309.asc
>
>
>
>