Re: [gentoo-user] netbook connects to Internet automatically, desktop doesn't

[Philip Webb]

150209 Neil Bothwick wrote:
> On Sun, 8 Feb 2015 19:54:07 -0500, Philip Webb wrote:
>> I discovered that my ASUS EEE connects automatically to the Internet
>> when the physical connection is plugged in,
>> while my desktop machine (AMD + Gigabyte mobo) has to be told by 'dhcpcd'.
>> I've checked  /etc/runlevels/default  &  /etc/udev  in both machines,
>> but can't see anything different between the two.
> Check /etc/rc.conf, especially the hotplug section.

There's no difference.

> Also check whether you have ifplugd or netplug installed on your laptop
> but not on the desktop.

Neither has either installed.

Looking at a 'gvimdiff' of the  2  extracts from 'syslog',
I notice  3  differences : (1) when the connection is broken,
the desktop machine receives an ALRM signal,
which causes a process to exit (PID 997),
whereas the netbook shows only "carrier lost, deleting route" ;
(2) when the connection is restored, the netbook says "carrier acquired"
& then there's a kernel msg re a NIC link, whereas the desktop is blank ;
(3) the kernel msgs refer to different chips 'r8169' 'atl1c'.

Does any of this ring a bell for anyone ?

Thanks so far.

Desktop msgs :

Feb  8 09:26:09 localhost dhcpcd[980]: version 6.6.7 starting
Feb  8 09:26:09 localhost dhcpcd[980]: dev: loaded udev
Feb  8 09:26:09 localhost dhcpcd[980]: no interfaces have a carrier
Feb  8 09:26:09 localhost dhcpcd[980]: forked to background, child pid 997
Feb  8 09:26:09 localhost dhcpcd[997]: enp5s0: waiting for carrier
Feb  8 09:26:09 localhost kernel: r8169 0000:05:00.0 enp5s0: link down
Feb  8 09:26:09 localhost kernel: r8169 0000:05:00.0 enp5s0: link down
Feb  8 09:26:09 localhost kernel: IPv6: ADDRCONF(NETDEV_UP): enp5s0: link is not ready
Feb  8 09:26:11 localhost dhcpcd[997]: enp5s0: carrier acquired
Feb  8 09:26:11 localhost kernel: r8169 0000:05:00.0 enp5s0: link up
Feb  8 09:26:11 localhost kernel: IPv6: ADDRCONF(NETDEV_CHANGE): enp5s0: link becomes ready
Feb  8 09:26:11 localhost dhcpcd[997]: DUID 00:01:00:01:1a:1b:b4:7e:50:e5:49:c6:10:3a
Feb  8 09:26:11 localhost dhcpcd[997]: enp5s0: IAID 49:c6:10:3a
Feb  8 09:26:11 localhost dhcpcd[997]: enp5s0: rebinding lease of 192.168.1.2
Feb  8 09:26:14 localhost dhcpcd[997]: enp5s0: NAK: from 192.168.1.1
Feb  8 09:26:14 localhost dhcpcd[997]: enp5s0: soliciting a DHCP lease
Feb  8 09:26:16 localhost dhcpcd[997]: enp5s0: offered 192.168.1.2 from 192.168.1.1
Feb  8 09:26:21 localhost dhcpcd[997]: enp5s0: leased 192.168.1.2 for 86400 seconds
Feb  8 09:26:21 localhost dhcpcd[997]: enp5s0: adding route to 192.168.1.0/24
Feb  8 09:26:21 localhost dhcpcd[997]: enp5s0: adding default route via 192.168.1.1
Feb  8 09:26:22 localhost ntpd[837]: Listen normally on 2 enp5s0 192.168.1.2:123
...
# PP : 'ioff', remove conn'n
Feb  8 18:54:26 localhost dhcpcd[11404]: sending signal ARLM to pid 997
Feb  8 18:54:26 localhost dhcpcd[11404]: waiting for pid 997 to exit
Feb  8 18:54:26 localhost dhcpcd[997]: received signal ALRM from PID 11404, releasing
Feb  8 18:54:26 localhost dhcpcd[997]: enp5s0: removing interface
Feb  8 18:54:26 localhost dhcpcd[997]: enp5s0: releasing lease of 192.168.1.2
Feb  8 18:54:26 localhost dhcpcd[997]: enp5s0: deleting route to 192.168.1.0/24
Feb  8 18:54:26 localhost dhcpcd[997]: enp5s0: deleting default route via 192.168.1.1
Feb  8 18:54:26 localhost dhcpcd[997]: exited
...
Feb  8 18:54:35 localhost kernel: r8169 0000:05:00.0 enp5s0: link down
...
# PP : restore conn'n
Feb  8 19:18:11 localhost kernel: r8169 0000:05:00.0 enp5s0: link up
# PP : Firefox can't find site

Netbook msgs :

Dec 31 19:00:23 localhost dhcpcd[1323]: version 6.4.7 starting
Dec 31 19:00:23 localhost dhcpcd[1323]: dev: loaded udev
Dec 31 19:00:23 localhost dhcpcd[1323]: no interfaces have a carrier
Dec 31 19:00:23 localhost dhcpcd[1323]: forked to background, child pid 1346
Dec 31 19:00:23 localhost kernel: atl1c 0000:01:00.0: Unable to allocate MSI interrupt Error: -38
Dec 31 19:00:23 localhost kernel: IPv6: ADDRCONF(NETDEV_UP): enp1s0: link is not ready
Dec 31 19:00:23 localhost dhcpcd[1346]: enp1s0: waiting for carrier
Dec 31 19:00:23 localhost dhcpcd[1346]: enp1s0: carrier acquired
Dec 31 19:00:23 localhost dhcpcd[1346]: DUID 00:01:00:01:03:c3:b8:97:00:26:18:79:64:16
Dec 31 19:00:23 localhost dhcpcd[1346]: enp1s0: IAID 18:79:64:16
Dec 31 19:00:23 localhost dhcpcd[1346]: enp1s0: carrier lost
Dec 31 19:00:29 localhost dhcpcd[1346]: enp1s0: using IPv4LL address 169.254.91.169
Dec 31 19:00:29 localhost dhcpcd[1346]: enp1s0: adding route to 169.254.0.0/16
Dec 31 19:00:33 localhost dhcpcd[1346]: enp1s0: soliciting a DHCP lease
...
Feb  8 18:54:59 localhost dhcpcd[1346]: enp1s0: carrier acquired
...
Feb  8 18:54:59 localhost dhcpcd[1346]: enp1s0: IAID 18:79:64:16
Feb  8 18:54:59 localhost dhcpcd[1346]: enp1s0: soliciting a DHCP lease
Feb  8 18:55:07 localhost dhcpcd[1346]: enp1s0: offered 192.168.1.3 from 192.168.1.1
Feb  8 18:55:11 localhost dhcpcd[1346]: enp1s0: leased 192.168.1.3 for 86400 seconds
Feb  8 18:55:11 localhost dhcpcd[1346]: enp1s0: adding route to 192.168.1.0/24
Feb  8 18:55:11 localhost dhcpcd[1346]: enp1s0: adding default route via 192.168.1.1
Feb  8 18:55:11 localhost dhcpcd[1346]: enp1s0: deleting route to 169.254.0.0/16
...
# PP : remove conn'n
Feb  8 19:14:41 localhost dhcpcd[1346]: enp1s0: carrier lost
Feb  8 19:14:41 localhost dhcpcd[1346]: enp1s0: deleting route to 192.168.1.0/24
Feb  8 19:14:41 localhost dhcpcd[1346]: enp1s0: deleting default route via 192.168.1.1
# PP : restore conn'n
Feb  8 19:15:15 localhost dhcpcd[1346]: enp1s0: carrier acquired
Feb  8 19:15:15 localhost kernel: atl1c 0000:01:00.0: atl1c: enp1s0 NIC Link is Up<100 Mbps Full Duplex>
Feb  8 19:15:15 localhost dhcpcd[1346]: enp1s0: IAID 18:79:64:16
Feb  8 19:15:15 localhost dhcpcd[1346]: enp1s0: rebinding lease of 192.168.1.3
Feb  8 19:15:23 localhost dhcpcd[1346]: enp1s0: leased 192.168.1.3 for 86400 seconds
Feb  8 19:15:23 localhost dhcpcd[1346]: enp1s0: adding route to 192.168.1.0/24
Feb  8 19:15:23 localhost dhcpcd[1346]: enp1s0: adding default route via 192.168.1.1
# PP : Dillo finds site

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