Re: 3Com 3c905B-COMBO and 10base2/BNC

2006-11-04 Thread Pete Slagle
Karol Kwiatkowski wrote:

 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.

You did use T-connectors with 50 ohm terminators at both ends of the
coax, right?  (Just checking the obvious.)

IIRC. you can use the 3Com setup/diagnostic program for the card to
force it to use a particular media selection and store that setting in
non-volatile memory on the card. Not certain about this, it's been a
while . . .

You can also boot the 3Com diagnostic diskette (it runs MS-DOS) to do a
loopback test of a pair of cards. Since that eliminates FreeBSD from the
test, it should give you a better idea whether your problem is with the
hardware or the xl driver.





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3Com 3c905B-COMBO and 10base2/BNC

2006-11-02 Thread Karol Kwiatkowski
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=8843UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST mtu 1500
options=9RXCSUM,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
[EMAIL PROTECTED]:/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 561773997
irq1: atkbd0 257  0
irq5: rl0 48  0
irq6: fdc011  0
irq8: rtc  71886127
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



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Description: OpenPGP digital signature


Re: 3Com 3c905B-COMBO and 10base2/BNC

2006-11-02 Thread Jeff Mohler

What museum is this in, can we visit it?



On 11/2/06, Karol Kwiatkowski [EMAIL PROTECTED] 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=8843UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST mtu 1500
options=9RXCSUM,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
[EMAIL PROTECTED]:/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 561773997
irq1: atkbd0 257  0
irq5: rl0 48  0
irq6: fdc011  0
irq8: rtc  71886127
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





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Re: 3Com 3c905B-COMBO and 10base2/BNC

2006-11-02 Thread Karol Kwiatkowski
[format recovered]

On 02/11/2006 21:58, Jeff Mohler wrote:
 On 11/2/06, Karol Kwiatkowski [EMAIL PROTECTED] wrote:
 Hi all,

 anyone got 3Com 3c905B-COMBO network card (Fast EtherLink XL PCI)
 working with 10base2/BNC?

 What museum is this in, can we visit it?

Sure, where do I send an invitation?

Seriously, it should work if the driver included in the kernel
supports it, right?

Regards,

Karol

-- 
Karol Kwiatkowski  freebsd at orchid dot homeunix dot org
OpenPGP: http://www.orchid.homeunix.org/carlos/gpg/0x06E09309.asc



signature.asc
Description: OpenPGP digital signature


Re: 3Com 3c905B-COMBO and 10base2/BNC

2006-11-02 Thread Jeff Mohler

It...should, its been about I dunno, 1994 since I used one of those tho.

It's possible that some code-creep got into the driver that just hasnt
been tested for a decade.

On 11/2/06, Karol Kwiatkowski [EMAIL PROTECTED] wrote:

[format recovered]

On 02/11/2006 21:58, Jeff Mohler wrote:
 On 11/2/06, Karol Kwiatkowski [EMAIL PROTECTED] wrote:
 Hi all,

 anyone got 3Com 3c905B-COMBO network card (Fast EtherLink XL PCI)
 working with 10base2/BNC?

 What museum is this in, can we visit it?

Sure, where do I send an invitation?

Seriously, it should work if the driver included in the kernel
supports it, right?

Regards,

Karol

--
Karol Kwiatkowski  freebsd at orchid dot homeunix dot org
OpenPGP: http://www.orchid.homeunix.org/carlos/gpg/0x06E09309.asc





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