[CentOS] tg3 BCM5755 intermittantly stops working after upgrade to 5.3.

D Tucny d at tucny.com
Tue Apr 21 09:17:39 UTC 2009


2009/4/21 Mangesh S. Umbarje <mangesh at gmrt.ncra.tifr.res.in>

> Dear All,
>
>             I am having a HP xw4400 with following ethernet controller
> as reported by lspci
>
> Broadcom Corporation NetXtreme BCM5755 Gigabit Ethernet PCI Express (rev
> 02)
>
>             This machine was running CentOS 5.2 without any problem. After
> updating the machine with yum update on 8 April, after which it is showing
> to be CentOS 5.3, this machine stops communicating intermittantly and I
> see the following message correspondingly in /var/log/messages
>
> Apr 18 10:30:07 kernel: tg3: eth0: Link is down.
> Apr 18 10:30:10 kernel: tg3: eth0: Link is up at 1000 Mbps, full duplex.
> Apr 18 10:30:10 kernel: tg3: eth0: Flow control is off for TX and off for
> RX.
> Apr 18 10:30:24 kernel: tg3: eth0: Link is down.


etc...


>
>        The interval for which it happens is about order of few minutes.The
> kernel it is running now is 2.6.18-128.1.6.el5. Can anybody help.
>

Have you tried running with the old kernel from before the update to verify
that it doesn't occur with that version?

It is possible that the update is just a coincidence and you are actually
facing link problems due to the card, the cable, the switch or any of the
connections between...

d
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