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

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