On Wed, Feb 14, 2018 at 06:44:55PM -0500, Thomas George wrote: > Starting last month the PC Ethernet connection is sometimes not made > atbootup or is occasionally lost. When this happens the only way I havefound > to re-establish the connection is to turn the TP-Link AC1750 router off and > on again. > > The system is Debian Stretch. > > The connection was just dropped and I recorded the attached last 60 lines of > dmesg and syslog > > Can anyone tell me why this happens or point me to references I must study > to learn how to fix this? > > > > [ 8.573411] r8169 0000:03:00.0: firmware: failed to load > rtl_nic/rtl8168d-2.fw (-2) > [ 8.573471] r8169 0000:03:00.0: Direct firmware load for > rtl_nic/rtl8168d-2.fw failed with error -2 > [ 8.573474] r8169 0000:03:00.0 enp3s0: unable to load firmware patch > rtl_nic/rtl8168d-2.fw (-2) > [ 8.596929] r8169 0000:03:00.0 enp3s0: link down > [ 8.596942] r8169 0000:03:00.0 enp3s0: link down > [ 8.600278] IPv6: ADDRCONF(NETDEV_UP): enp3s0: link is not ready > [ 16.181809] r8169 0000:03:00.0 enp3s0: link up > [ 16.181825] IPv6: ADDRCONF(NETDEV_CHANGE): enp3s0: link becomes ready > [ 57.501798] r8169 0000:03:00.0 enp3s0: link down > [ 74.041344] r8169 0000:03:00.0 enp3s0: link up > [ 74.977952] r8169 0000:03:00.0 enp3s0: link down > [ 79.850298] r8169 0000:03:00.0 enp3s0: link up > [ 161.205363] r8169 0000:03:00.0 enp3s0: link down > [ 180.008520] r8169 0000:03:00.0 enp3s0: link up > [ 183.550534] r8169 0000:03:00.0 enp3s0: link down > [ 188.145323] r8169 0000:03:00.0 enp3s0: link up > [ 335.644775] r8169 0000:03:00.0 enp3s0: link down > [ 362.971011] r8169 0000:03:00.0 enp3s0: link up
These are the pertinent lines. Likely causes: - the cable is bad - the router's switch module is bad, perhaps overheating - the NIC is bad I googled for "TP-Link AC1750 ethernet drop" and found lots of hits, so I would guess that you should complain to TP-Link. -dsr-
