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SubjectRe: Lost network connectivity in 4.0.x
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(Please always Cc netdev for networking bugs.)

On Sat, May 23, 2015 at 8:29 PM, Ken Moffat <zarniwhoop@ntlworld.com> wrote:
> On Sun, May 24, 2015 at 03:43:52AM +0100, Ken Moffat wrote:
>> Anybody else suffering frm lost network connectivity in 4.0.x
>> kernels ? A couple of times this week, vim on an nfs-3 mount hung
>> and I had to reboot. Both of those occasions were on an AMD desktop
>> with the r8169 driver, running 4.0.3. I thought it might be
>> specific to that machine. For the last two or three days I've been
>> using an intel, and about 10 minutes ago it suffered the same problem
>> while running 4.0.4. Using ping from another term showed that it
>> had no connectivity to the server on my local network.
>>
>> This is a bit hard to diagnose - nothing in the logs.
>>
> I forgot to add that this is with the released gcc-5.1 : I keep
> forgetting that some people use old compilers ;-)
>

Is there any way you can help to narrow down the problem?

For example:

1) What is your network setup? iptables? routes? etc.

2) Can you check the stats to see if there is any error?
`ip -s -s li show`, `ethtool -S <DEV>`

3) Do a bisect?

Thanks!


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