Re: /kernel: em0: Link is Down
From: Stephen Bader (steveb_at_mercury.jorsm.com)
Date: 01/05/04
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Date: Mon, 5 Jan 2004 09:23:47 -0600 (CST) To: Clint Gilders <techservices@onlinehobbyist.com>
Just to verify, I would assume you've checked the following?:
- Bad Cable - May not have appeared until it got loaded
- Auto Negotiate Issues (check duplex) - Very common
- Force to 10mbps to see if it still happens
- For to half duplex in both 10 & 100 mbps
- Different physical port on the switch
I haven't seen any issues on this list with the em driver, but I may be
wrong. I don't have em cards, so other than the above, I can't offer much.
-Steve
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On Mon, 5 Jan 2004, Clint Gilders wrote:
> Hi
>
> I'm seeing a lot of the error messages below on a dual Xeon 2.5 Ghz running 4.9-STABLE
> built on Wed Nov 26 2003. The errors started when I moved a fairly busy database to this
> server.
>
> Jan 4 17:56:50 king7 /kernel: em0: Link is up 100 Mbps Full Duplex
> Jan 4 19:04:18 king7 /kernel: em0: Link is Down
> Jan 4 19:04:20 king7 /kernel: em0: Link is up 100 Mbps Full Duplex
> Jan 4 23:59:06 king7 /kernel: em0: Link is Down
> Jan 4 23:59:08 king7 /kernel: em0: Link is up 100 Mbps Full Duplex
> Jan 5 01:04:48 king7 /kernel: em0: Link is Down
> Jan 5 01:04:50 king7 /kernel: em0: Link is up 100 Mbps Full Duplex
>
> I found menton of changing '#define EM_REPORT_TX_EARLY 0' to '#define EM_REPORT_TX_EARLY
> 1' in /usr/src/sys/dev/em/if_em.h but my if_em.h doesn't have this line
>
> Anyone have any suggestions on how to remedy this? Is this a known problem that would
> have been fixed since my system was compiled in November?
>
> Thanks
> --
> Clint Gilders <techservices@onlinehobbyist.com>
> Director of Technology Services
> OnlineHobbyist.com, Inc.
>
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- Previous message: Clint Gilders: "/kernel: em0: Link is Down"
- In reply to: Clint Gilders: "/kernel: em0: Link is Down"
- Next in thread: Marc G. Fournier: "Re: /kernel: em0: Link is Down"
- Reply: Marc G. Fournier: "Re: /kernel: em0: Link is Down"
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