Re: Broadcom BCM5701 / HP NC6770

Pyun YongHyeon wrote:
On Sat, Apr 10, 2010 at 12:13:07AM -0600, Erich Jenkins, Fuujin Group Ltd wrote:
Pyun YongHyeon wrote:
On Fri, Apr 09, 2010 at 02:13:00AM -0600, Erich Jenkins, Fuujin Group Ltd wrote:
Evgenii Davidov wrote:
????????????,

On Fri, Apr 09, 2010 at 01:39:16AM -0600, Erich Jenkins, Fuujin Group Ltd ?????:

We were previously running 5.3 on this box (I know, VERY old), but never had a problem. The link now fails to come up. I've tried forcing the port out of auto (media 1000baseSX mediaopt full-duplex) and as long as the port doesn't have an IP assigned via rc.conf on system boot, I can get the switch to see it (Cisco 6505), but no traffic to flow. I've checked all the obvious things (duplex setting on switch, cable failure, etc.), all to no avail. I fiddled with the knobs in the driver (rxcsum, vlan_mtu, etc) with no changes either.
sorry for silly ansver but is your interface UP ? (ifconfig bge0 up)

Actually, I was silly for not mentioning that in the original post, but yes, it's up. I've even tried up/down/up on the card a few times after fiddling with the driver knobs, but the same thing happened, no link on the switch.

I've also tested this back-to-back with two machines and the same cards. Same result: no transmission of data. Interestingly enough, the link lite is lit on the cards (in back-to-back) and on the card but not the switch. Not sure if that's significant or not. In the interest if completeness, here's ifconfig output for that card:

bge0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=9b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM>
ether 00:08:02:28:76:4d
inet 10.222.222.144 netmask 0xffffff00 broadcast 10.222.222.255
media: Ethernet 1000baseSX <full-duplex>
status: active

I also verified the MTU size to ensure the switch ports weren't configured for jumbo frames. They are correctly set on the switch and on the FreeBSD box, but no traffic flows.

Would you try booting to latest 7.3-RELEASE and check whether you
still see the issue?
If you see the same issue please show me verbose boot message of
bge(4) and its PHY driver.
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Just finished the install, and ended up with the same result. I installed OpenBSD on this box just to be sure there wasn't something unrelated to the driver causing the issue. OpenBSD works fine.

Where to from here?


It seems there is async link state change issue for BCM5701 TBI
case. Link state handling is one of the most complex thing in
bge(4) so I'm not sure whether attached patch is right thing.
Public data sheet seems to indicate bit 0 of BGE_MI_STS should be
set to enable link to the MAC state machine if autopolling is
disabled so resetting the bit to 0 does not look right to me.
Try attached patch.


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Thanks for the patch, but I'm sorry to report there is no change.

Erich M. Jenkins
Fuujin Group Limited

"You should never, never doubt what no one is sure about."
-- Gene Wilder


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