Live Ubuntu 17.04 session is running OK (mentioned in original report) and it
is using:
---------------------------------
$ apt-cache-policy linux-image-generic
linux-image-generic:
Installed: 4.10.0.19.21
Candidate: 4.10.0.19.21
Version table:
*** 4.10.0.19.21 500
500 http://archive.ubuntu.com/ubuntu zesty/main amd64 Packages
100 /var/lib/dpkg/status
$ uname -a
Linux ubuntu 4.10.0-19-generic #21-Ubuntu SMP Thu Apr 6 17:04:57 UTC 2017
x86_64 x86_64 x86_64 GNU/Linux
---------------------------------
So, I did not go in suggested direction of checking upstream kernels...
Instead, I tried manual network configuration though, and it worked (see
below). So it is definitely not a kernel problem but network
configuration/network connection management problem. Not sure, where this bug
has to be reassigned.
---------------------------------
$ cat /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback
iface enp5s0 inet dhcp
---------------------------------
$ sudo ifup enp5s0
[sudo] password for alexei:
Internet Systems Consortium DHCP Client 4.3.5
Copyright 2004-2016 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/
Listening on LPF/enp5s0/bc:5f:f4:2c:f6:c1
Sending on LPF/enp5s0/bc:5f:f4:2c:f6:c1
Sending on Socket/fallback
DHCPDISCOVER on enp5s0 to 255.255.255.255 port 67 interval 3 (xid=0xf68ff4f)
DHCPDISCOVER on enp5s0 to 255.255.255.255 port 67 interval 8 (xid=0xf68ff4f)
DHCPREQUEST of 192.168.0.105 on enp5s0 to 255.255.255.255 port 67
(xid=0x4fff680f)
DHCPOFFER of 192.168.0.105 from 192.168.0.1
DHCPACK of 192.168.0.105 from 192.168.0.1
bound to 192.168.0.105 -- renewal in 3428 seconds.
---------------------------------
$ ifconfig enp5s0
enp5s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.0.105 netmask 255.255.255.0 broadcast 192.168.0.255
inet6 fe80::be5f:f4ff:fe2c:f6c1 prefixlen 64 scopeid 0x20<link>
ether bc:5f:f4:2c:f6:c1 txqueuelen 1000 (Ethernet)
RX packets 23 bytes 3309 (3.3 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 61 bytes 7619 (7.6 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
---------------------------------
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https://bugs.launchpad.net/bugs/1687262
Title:
16.10, 17.04 Wired connection stopped working RTL 8111/8168/8411
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