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List:       freebsd-atm
Subject:    Adaptec-155-ATM at en0 causing amd problem
From:       Lars Eggert <larse () isi ! edu>
Date:       2000-03-30 17:17:36
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I'm seeing some extremely odd behaviour on a system that runs the amd
automounter and has an Adaptec-155-ATM card at interface en0.

Configuration: The system in question has two Ethernet cards, one of
which (fxp0) connects the system to our LAN, the other is used locally
for experiments (de0). The system also has an Adaptec-155-ATM card at
interface en0, which is *not* connected to anything yet. The system is
currently running 4.0-STABLE, but I've seen the same behavior under
3.2-RELEASE as well:

As long as I leave en0 unconfigured (ifconfig en0 says "en0:
flags=800<SIMPLEX> mtu 9180"), everything is fine.

If I put an ifconfig entry in rc.conf.local (e.g.
ifconfig_en0="10.9.112.211 netmask 255.255.240.0 up"), the automounter
fails to work. Note that amd (like all other network services) uses
the hosts main interface (fxp0). Here's what I see at boot time, as
soon as amd starts:

Mar 30 14:27:12 mul /kernel: atm_rtrequest: RTM_RESOLVE request detected?
Mar 30 14:27:12 mul /kernel: nfs send error 65 for server pid133@mul:/nfs
Mar 30 14:27:12 mul /kernel: nfs send error 65 for server pid133@mul:/home

amd fails, but the rest of the network services seem unaffected.

Even more strange, if I manually configure en0 after the system has
booted (and amd has started), I do not see any problems, i.e. amd
continues to work.

Also, if I replace the Adaptec card with an Efficient Networks
ENI-155p card, amd also works fine; I do not see the messages above.
(Unfortunately, we don't have enough of those.)

Any ideas? Please let me know if you require more information, I'd be
happy to poke around the system a bit.

Thanks,
Lars
________________________________________________________________________
Lars Eggert <larse@isi.edu>               Information Sciences Institute
http://www.isi.edu/~larse/             University of Southern California


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