Date: Fri, 6 Nov 2015 11:21:40 -0500 From: Alex Merritt <merritt.alex@gmail.com> To: freebsd-questions <freebsd-questions@freebsd.org> Subject: X540-AT2 No Carrier Message-ID: <CADK3taKhcuS6Wa3%2BnAykPGkGBoPtzczzHhfvuFMu8bcZCUivHg@mail.gmail.com>
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Hello, Booting 10.2 on a Supermicro X10DRi-T with X540-AT2 (10GigE), I am unable to get a network signal. ifconfig reports "no carrier" as the status (no lights are blinking). The cable is plugged in, the cable works (booting Linux gets me an IP), and have tried different end-points (a switch, then macbook network sharing). pciconf shows both NICs, and the device driver is loaded with no errors in dmesg. A search suggests others who have seen this i) didn't plug a cable in, ii) had a buggy wire, or switch, iii) needed to manually initialize the device with ifconfig ix0 up, and/or set an IP directly for it to report a carrier signal, iv) a faulty co-existing NIC existed and needed to be removed, or v) some of the sysctl queue lengths need to be increased. I've tried the above, and the board is brand-new. Not sure what else to look at. https://forums.freebsd.org/threads/82598eb-10-gigabit-at-cx4-no-carrier.24723/ http://daemonforums.org/showthread.php?t=5186 Changing the media type also has no effect: https://forums.freebsd.org/threads/alc0-will-not-run-acer-aspire-5532.17376/ Did I miss something in the documentation? Thanks, Alex
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