RARE user and assistance email list

[mc36 <>]

-------- Forwarded Message --------
Subject: Re: QSFP module problem
Date: Thu, 28 Jul 2022 12:09:15 +0200
From: mc36 <>
To: Tomasz Szewczyk <>
CC: Xavier Jeannin <>

could you please start with a re-seat f the qsfp?
(just to see if the module permanently failed or simply there is no way to 
power-cycle it)
thanks,
cs

On 7/28/22 12:04, Tomasz Szewczyk wrote:
> after that the power values started to fluctuate - so small progress.
> probably we need com on site debug (replace qsfp module)
> t.
>
> W dniu 28.07.2022 o   11:55, mc36 pisze:
> > btw i'm also interested in the outcome so please drop a mail if you succeeded 
> > somehow :)
> > thanks,
> > cs
> >
> >
> > On 7/28/22 11:52, Tomasz Szewczyk wrote:
> > > OK - thanks
> > > I'm gonna try it.
> > > t.
> > >
> > > W dniu 28.07.2022 o         11:49, mc36 pisze:
> > > > hi,
> > > > i've no better idea than reload cold in freerouter...
> > > > maybe reload process bfswd also should work but i'm unsure about the 
> > > > internals...
> > > > both should power-cycle the whole asic, hopefully the serdes and the qsfp 
> > > > too...
> > > > br,
> > > > cs
> > > >
> > > >
> > > > On 7/28/22 11:31, Tomasz Szewczyk wrote:
> > > > > Hi,
> > > > >
> > > > > I have some problem with QSFP module 23/0 in poz-rare
> > > > > Is it possible to somehow reboot it?
> > > > > It constantly shows same signal levels
> > > > > QSFP DDM Info for ports 23 to 31
> > > > > -------                                                                                                                                 -------- -----------                                                                                                                                 -------- 
> > > > > -------------- --------------
> > > > > Port/Ch                                                                                                                                 Temp (C) Voltage (V) Bias(mA)                                                                                                                                 Tx Power 
> > > > > (dBm)                                                                                                                                 Rx Power (dBm)
> > > > > -------                                                                                                                                 -------- -----------                                                                                                                                 -------- 
> > > > > -------------- --------------
> > > > > 23/0 28.9 3.28 76.49 0.62 -inf
> > > > > 23/1 28.9 3.28 62.74 0.56 -33.01
> > > > > 23/2 28.9 3.28 77.37 0.17 -29.59
> > > > > 23/3 28.9 3.28 72.10 0.05 -27.70
> > > > >
> > > > > but I can not reset it
> > > > >
> > > > > bf-sde.bf_pltfm> qsfp qsfp-reset 23 1
> > > > > bf-sde.bf_pltfm> 2022-07-28 11:29:13.661109 BF_PLTFM ERROR - CP2112 id 0 
> > > > > error count 1
> > > > >
> > > > > 2022-07-28 11:29:13.670100 BF_PLTFM ERROR - CP2112 id 0 error count 1
> > > > >
> > > > > Can you help me somehow?
> > > > > br
> > > > > Tomek