Realtek r8169 always flapping

[Kseniya Blashchuk]

No, adding DEVICE line didnt help, still using a script in disptcher.d

ср, 28 окт. 2015 г. в 11:05, Kseniya Blashchuk <ksyblast at gmail.com>:

> Thank you, Rick.
> 1) Of course the first thing i did was replacing the cabling, plugging
> into another port and even into another switch.
> 2) I put a script changing autoneg in /etc/NetworkManager/dispatcher.d/.
> But I'll try what you adviced and have a look.
>
> вт, 27 окт. 2015 г. в 20:08, Rick Stevens <ricks at alldigital.com>:
>
>> On 10/27/2015 05:08 AM, Kseniya Blashchuk wrote:
>> > Now something strange happens - auto negotiation automatically turns on
>> > after a while. Cannot distinguish what changes this value. I
>> > added ETHTOOL_OPTS="autoneg off speed 100 duplex full" to the
>> > ifcfg-Wired_connection_1 config. But seems it doesn't work.
>> > Am I doing something wrong?
>>
>> I haven't had to chase this in a long time, but I see two possible
>> issues:
>>
>> 1) Replace your network cable. Gigabit does put more "strain" on the
>> cable and if it's flaky (the cable itself or, more likely, the
>> connectors), you could have issues--especially if it's solid at 100Mbps
>> but not at 1000Mbps. I've had that issue many times in the past.
>>
>> 2) I had always put the options in the modprobe.d/whatever.conf file so
>> it was tied to the driver regardless of which network device the kernel
>> decided to call it (what an absolutely idiotic concept to rename the
>> devices at boot).
>>
>> I've never put ETHTOOL_OPTS in a network-scripts/ifcfg-XXX file. Having
>> said that, I took a quick look at the scripts and it appears that
>> invoking ethtool is dependent on the presence of a "DEVICE=" line in
>> that file (well, really on the value of "${REALDEVICE}"). If you don't
>> have that line, then ethtool isn't called with the "-s" flag to set
>> parameters as it doesn't know which physical device to apply them to.
>>
>> Try buggering the ifcfg-Wired_connection_1 file and insert a
>>
>>         DEVICE=enp2s0
>>
>> line and try it again. This is just a guess, mind you.
>>
>> > вт, 27 окт. 2015 г. в 10:34, Joe Zeff <joe at zeff.us <mailto:joe at zeff.us
>> >>:
>> >
>> >     On 10/27/2015 12:27 AM, Kseniya Blashchuk wrote:
>> >      > BTW, I thought maybe its not a driver but a NIC issue and some
>> of the
>> >      > pins dont work properly. Maybe anybody knows how to check if all
>> NIC
>> >      > pins are working?
>> >
>> >     I have a friend who does all of my hardware work once it gets past
>> the
>> >     card swapping phase.  (That I can do myself.)  Some of his wire-wrap
>> >     work is heading out of the Solar System, and he doesn't even try to
>> >     troubleshoot things like that; he just replaces the card if
>> possible.
>> >     However, as the card works fine at 100 Mbps but not at 1000, I doubt
>> >     that it's hardware.
>> >     --
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>> >
>> >
>>
>>
>> --
>> ----------------------------------------------------------------------
>> - Rick Stevens, Systems Engineer, AllDigital    ricks at alldigital.com -
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>> -                                                                    -
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>
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