On Fri, Oct 14, 2016 at 12:14 AM, Christian Groessler <ch...@groessler.org> wrote: > On 10/11/16 20:56, Thadeu Lima de Souza Cascardo wrote: > >> On Tue, Oct 11, 2016 at 07:51:30PM +0200, Christian Groessler wrote: >>> >>> Hi, >>> >>> on my Mac G5 I see loss of network connectivity when doing big downloads >>> or >>> uploads. >>> >>> The machine cannot be pinged anymore then and also cannot ping out. >>> >>> When it's happening I see the following messages: >>> >>> Oct 11 10:45:13 g5 kernel: [ 430.477967] gem 0001:04:0f.0 eth0: RX MAC >>> fifo >>> overflow smac[03810400] >>> Oct 11 10:45:17 g5 kernel: [ 434.141957] gem 0001:04:0f.0 eth0: RX MAC >>> fifo >>> overflow smac[03810400] >>> >> Does setting the interface down, then up works? Like ifdown eth0; ifup >> eth0. Or ip link set eth0 down; ip link set eth0 up, and verifying the >> address and route are restablished (in case you are using >> NetworkManager, for example). > > > After > > $ ip link set eth0 down > $ ip link set eth0 up > > it's working again. > > But I have to be physically at the machine for this, so it's not a real > solution.
You can put that in a script, or use screen: http://serverfault.com/questions/278838/restarting-network-through-ssh