Re: [Discuss-gnuradio] USRP2 dies

[Eric Blossom]

On Mon, Sep 21, 2009 at 10:47:57AM -0400, Chukhman, Ilya A. wrote:
> The Auto-negotiation is set to auto for eth0, which I believe is the correct 
> setting.  The entire output of ethtool is below.
> 
> Ilya

Please send the output of 

  $ ethtool -a <interface>



> Settings for eth0:
>         Supported ports: [ TP ]
>         Supported link modes:   10baseT/Half 10baseT/Full
>                                 100baseT/Half 100baseT/Full
>                                 1000baseT/Half 1000baseT/Full
>         Supports auto-negotiation: Yes
>         Advertised link modes:  10baseT/Half 10baseT/Full
>                                 100baseT/Half 100baseT/Full
>                                 1000baseT/Half 1000baseT/Full
>         Advertised auto-negotiation: Yes
>         Speed: Unknown! (65535)
>         Duplex: Unknown! (255)
>         Port: Twisted Pair
>         PHYAD: 1
>         Transceiver: internal
>         Auto-negotiation: on
>         Supports Wake-on: g
>         Wake-on: d
>         Current message level: 0x000000ff (255)
>         Link detected: no
> 
> -----Original Message-----
> From: Matt Ettus [mailto:address@hidden
> Sent: Monday, September 21, 2009 12:50 AM
> To: Chukhman, Ilya A.
> Cc: address@hidden
> Subject: Re: [Discuss-gnuradio] USRP2 dies
> 
> Chukhman, Ilya A. wrote:
> > Hello,
> >
> > My USRP2 dies during transmission when using interpolation rates less
> > than 24. When that happens, the USRP2 does not respond to any commands,
> > including find_usrps, until it is rebooted. Looking at previous threads
> > on this list, I noticed that other people experienced similar problems,
> > but it wasn't apparent if they found solutions to them.
> >
> > I have the USRP2 directly connected to a Dell laptop that has a Broadcom
> > NetXtreme BCM5755M chipset.  I have enabled real-time scheduling in
> > limits.conf and the _http://gnuradio.org/trac/wiki/USRP2GigEReports_
> > indicates that my Ethernet chip is supported.  What Ethernet
> > flow-control settings do I need to set in Ubuntu 9.04 on my laptop?
> 
> 
> Have you checked the flow control settings?  What does ethtool report?
> 
> Matt
> 
> 
> 

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