Can you try it with a 100mbps link partner? ROACH1's PHY was notoriously fickle at 1Gbps. We never did get to the bottom of it, even with Nat.Semi's support, and switched PHYs on ROACH2.
Jason Manley DSP Manager SKA-SA Cell: +27 82 662 7726 Work: +27 21 506 7300 > On 17 Apr 2020, at 14:56, Ramesh Karuppusamy <ram...@mpifr-bonn.mpg.de> wrote: > > Dear All, > > I hope you are all staying healthy. > > The gigabit ethernet on our ~10 year old ROACH1 board went silent all of a > sudden this morning. The ethernet port show no activity (the yellow LED > flickers very occasionally). On booting the unit off the SD card, and > manually bringing up the interface shows the following message on the serial > console and keeps repeating: > > eth0: link is down > root@roach:~# eth0: link is up, 1000 FDX > eth0: link is down > eth0: link is up, 1000 FDX > eth0: link is down > > The board does not respond to pings either. > > I tried a different cable, a differ port on the switch, and opened up the > board to examine the said port - nothing looks suspicious. Does anyone have > an idea on what could be the issue here? > > Thanks in advance for any of your suggestions! > > Cheers, > Ramesh > > > > > -- > You received this message because you are subscribed to the Google Groups > "casper@lists.berkeley.edu" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to casper+unsubscr...@lists.berkeley.edu. > To view this discussion on the web visit > https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/0B08CEC2-D030-436C-8E67-E73911E0110B%40mpifr-bonn.mpg.de. -- You received this message because you are subscribed to the Google Groups "casper@lists.berkeley.edu" group. To unsubscribe from this group and stop receiving emails from it, send an email to casper+unsubscr...@lists.berkeley.edu. To view this discussion on the web visit https://groups.google.com/a/lists.berkeley.edu/d/msgid/casper/0A041622-FCCD-4551-9A15-BE87F451B901%40ska.ac.za.
