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Date:      Tue, 18 Aug 1998 15:37:37 -0700 (PDT)
From:      Doug White <dwhite@resnet.uoregon.edu>
To:        dpetrou@cs.cmu.edu
Cc:        freebsd-questions@FreeBSD.ORG
Subject:   Re: Q: "disable 'auto select'" message
Message-ID:  <Pine.BSF.4.00.9808181537030.19286-100000@resnet.uoregon.edu>
In-Reply-To: <199808182139.OAA00507@resnet.uoregon.edu>

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On Tue, 18 Aug 1998, David Petrou wrote:

> > > Hi.  In my dmesg I see:
> > > 
> > > utp/tx[*tx*]: disable 'auto select' with DOS util! address [...]
> > > 
> > > I'd like to know why auto select is bad and why I should disable it.
> > > This message isn't very informative and a glance through the kernel
> > > code doesn't reveal anything more to me.
> > 
> > I think it confuses the driver.  What device is this, anyway?  I think
> > it's a 3com but I'm not sure.
> 
> Yeah, it's a:
> vx0 <3COM 3C595 Fast Etherlink III PCI> rev 0 int a irq 9 on pci0:10:0
> 
> My net works, so by "confusing the driver," do you mean poorer
> performance?  I don't want to disable auto select because then I'll
> have trouble (I think) when I move my machine between 10 and 100 Mbs
> hubs.  I imagine I'll have to reconfigure my card every time I switch.

Possibly.  The 595 may not correctly support autoselection (which
shouldn't be confused with autonegotiation).  

Doug White                              | University of Oregon  
Internet:  dwhite@resnet.uoregon.edu    | Residence Networking Assistant
http://gladstone.uoregon.edu/~dwhite    | Computer Science Major


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