Hi, Small correction:
*Questions:* I notice that the test stops when the link goes down every 45 seconds. This happens for all types of tests(with and without GUI). Kindly let me know how to debug this - i.e. why the link goes down every 45 seconds? Regards Venkatesh On Wed, Sep 2, 2020 at 3:10 PM Venkatesh Sathyanarayanan < vesat...@eng.ucsd.edu> wrote: > Hi, > > > *Setup details:* > I am using an USRP N310 and I have the host computer connected to the USRP > via SFP cable. I additionally have a serial connection between the two and > have a screen session running. > > *Observation:* > On the screen session, I noticed the following messages: > [ 2151.041079] nixge 40000000.ethernet sfp0: Link is Up - 10Gbps/Full - > flow control off > [ 2195.841088] nixge 40000000.ethernet sfp0: Link is Down > [ 2196.961090] nixge 40000000.ethernet sfp0: Link is Up - 10Gbps/Full - > flow control off > [ 2241.761098] nixge 40000000.ethernet sfp0: Link is Down > [ 2242.881106] nixge 40000000.ethernet sfp0: Link is Up - 10Gbps/Full - > flow control off > [ 2287.681109] nixge 40000000.ethernet sfp0: Link is Down > [ 2288.801114] nixge 40000000.ethernet sfp0: Link is Up - 10Gbps/Full - > flow control off > [ 2333.601129] nixge 40000000.ethernet sfp0: Link is Down > [ 2334.721127] nixge 40000000.ethernet sfp0: Link is Up - 10Gbps/Full - > flow control off > [ 2379.521132] nixge 40000000.ethernet sfp0: Link is Down > [ 2380.641137] nixge 40000000.ethernet sfp0: Link is Up - 10Gbps/Full - > flow control off > [ 2425.441143] nixge 40000000.ethernet sfp0: Link is Down > [ 2426.561149] nixge 40000000.ethernet sfp0: Link is Up - 10Gbps/Full - > flow control off > [ 2471.361159] nixge 40000000.ethernet sfp0: Link is Down > [ 2472.481166] nixge 40000000.ethernet sfp0: Link is Up - 10Gbps/Full - > flow control off > [ 2517.281166] nixge 40000000.ethernet sfp0: Link is Down > [ 2518.401171] nixge 40000000.ethernet sfp0: Link is Up - 10Gbps/Full - > flow control off > > .......................................................................................................................................................................... > > .......................................................................................................................................................................... > > > .......................................................................................................................................................................... > > .......................................................................................................................................................................... > > *Questions:* > When I have a GNU radio GRC running with an active GUI displaying the > spectrum, I see that it halts at the time when the link goes down. > When I run a file with no GUI active - say IQ samples saved to a file, > things running in the background and I do not see any interruption. > > > 1. Kindly let me know why I am seeing this issue of link going down > every 45 seconds and > 2. also if this could potentially affect my tests (all my tests are > without any GUI.) > > > Regards > Venkatesh > >
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