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[Bug 1516407] Re: Ethernet interface stops working after a few seconds

 

Christopher, no issues with before upgrading to 15.10. A few days after
the upgrade I noticed that the Laptop freezes from time to time and
sometimes does not suspend, when I close the lid. That looks like an
ACPI issue for me.

I am currently travelling abroad, so my options to reinstall or debug
are limited. Do you have any idea, how I could get the ethernet
interface working?

I played a bit around and noticed that network interface is working from
for a few seconds now and then. Looking at ping output, there are
between 20 and 50 seconds "downtime" and

meik@meik-Latitude-E7440:~$ ping 10.32.6.240
PING 10.32.6.240 (10.32.6.240) 56(84) bytes of data.
64 bytes from 10.32.6.240: icmp_seq=1 ttl=255 time=23.5 ms
64 bytes from 10.32.6.240: icmp_seq=2 ttl=255 time=7.20 ms
64 bytes from 10.32.6.240: icmp_seq=3 ttl=255 time=24.0 ms

64 bytes from 10.32.6.240: icmp_seq=43 ttl=255 time=1.28 ms
64 bytes from 10.32.6.240: icmp_seq=44 ttl=255 time=27.8 ms
64 bytes from 10.32.6.240: icmp_seq=45 ttl=255 time=1.89 ms
64 bytes from 10.32.6.240: icmp_seq=46 ttl=255 time=10.0 ms
64 bytes from 10.32.6.240: icmp_seq=47 ttl=255 time=0.895 ms
64 bytes from 10.32.6.240: icmp_seq=48 ttl=255 time=16.5 ms
64 bytes from 10.32.6.240: icmp_seq=49 ttl=255 time=0.897 ms
64 bytes from 10.32.6.240: icmp_seq=50 ttl=255 time=4.63 ms
64 bytes from 10.32.6.240: icmp_seq=51 ttl=255 time=0.910 ms
64 bytes from 10.32.6.240: icmp_seq=52 ttl=255 time=24.8 ms
64 bytes from 10.32.6.240: icmp_seq=53 ttl=255 time=1.84 ms
64 bytes from 10.32.6.240: icmp_seq=54 ttl=255 time=4.45 ms

64 bytes from 10.32.6.240: icmp_seq=90 ttl=255 time=6.40 ms
64 bytes from 10.32.6.240: icmp_seq=91 ttl=255 time=3.99 ms
64 bytes from 10.32.6.240: icmp_seq=92 ttl=255 time=0.821 ms
64 bytes from 10.32.6.240: icmp_seq=93 ttl=255 time=0.856 ms
64 bytes from 10.32.6.240: icmp_seq=94 ttl=255 time=0.875 ms

64 bytes from 10.32.6.240: icmp_seq=141 ttl=255 time=0.878 ms
64 bytes from 10.32.6.240: icmp_seq=142 ttl=255 time=1.08 ms
64 bytes from 10.32.6.240: icmp_seq=143 ttl=255 time=0.909 ms
64 bytes from 10.32.6.240: icmp_seq=144 ttl=255 time=0.914 ms
64 bytes from 10.32.6.240: icmp_seq=145 ttl=255 time=0.890 ms
64 bytes from 10.32.6.240: icmp_seq=146 ttl=255 time=0.877 ms
64 bytes from 10.32.6.240: icmp_seq=147 ttl=255 time=0.965 ms
64 bytes from 10.32.6.240: icmp_seq=148 ttl=255 time=0.816 ms
64 bytes from 10.32.6.240: icmp_seq=149 ttl=255 time=0.880 ms
64 bytes from 10.32.6.240: icmp_seq=150 ttl=255 time=0.879 ms
64 bytes from 10.32.6.240: icmp_seq=151 ttl=255 time=11.2 ms
64 bytes from 10.32.6.240: icmp_seq=152 ttl=255 time=3.76 ms
64 bytes from 10.32.6.240: icmp_seq=153 ttl=255 time=4.03 ms
64 bytes from 10.32.6.240: icmp_seq=154 ttl=255 time=2.48 ms

64 bytes from 10.32.6.240: icmp_seq=201 ttl=255 time=18.0 ms
64 bytes from 10.32.6.240: icmp_seq=202 ttl=255 time=7.79 ms
64 bytes from 10.32.6.240: icmp_seq=203 ttl=255 time=0.914 ms
64 bytes from 10.32.6.240: icmp_seq=204 ttl=255 time=0.926 ms
64 bytes from 10.32.6.240: icmp_seq=205 ttl=255 time=17.7 ms
64 bytes from 10.32.6.240: icmp_seq=206 ttl=255 time=10.0 ms
64 bytes from 10.32.6.240: icmp_seq=207 ttl=255 time=0.864 ms
64 bytes from 10.32.6.240: icmp_seq=208 ttl=255 time=0.866 ms
64 bytes from 10.32.6.240: icmp_seq=209 ttl=255 time=9.32 ms
64 bytes from 10.32.6.240: icmp_seq=210 ttl=255 time=9.25 ms
64 bytes from 10.32.6.240: icmp_seq=211 ttl=255 time=23.7 ms
64 bytes from 10.32.6.240: icmp_seq=212 ttl=255 time=0.821 ms

64 bytes from 10.32.6.240: icmp_seq=260 ttl=255 time=0.997 ms
64 bytes from 10.32.6.240: icmp_seq=261 ttl=255 time=5.03 ms
64 bytes from 10.32.6.240: icmp_seq=262 ttl=255 time=0.853 ms
64 bytes from 10.32.6.240: icmp_seq=263 ttl=255 time=0.923 ms
64 bytes from 10.32.6.240: icmp_seq=264 ttl=255 time=2.26 ms
64 bytes from 10.32.6.240: icmp_seq=265 ttl=255 time=9.87 ms
64 bytes from 10.32.6.240: icmp_seq=266 ttl=255 time=17.3 ms
64 bytes from 10.32.6.240: icmp_seq=267 ttl=255 time=10.6 ms
64 bytes from 10.32.6.240: icmp_seq=268 ttl=255 time=16.7 ms
64 bytes from 10.32.6.240: icmp_seq=269 ttl=255 time=8.78 ms
64 bytes from 10.32.6.240: icmp_seq=270 ttl=255 time=2.07 ms
64 bytes from 10.32.6.240: icmp_seq=271 ttl=255 time=10.6 ms
64 bytes from 10.32.6.240: icmp_seq=272 ttl=255 time=4.55 ms

(disabled ethernet interface or unplugged the cable here)

64 bytes from 10.32.6.240: icmp_seq=530 ttl=255 time=121 ms
64 bytes from 10.32.6.240: icmp_seq=531 ttl=255 time=2.36 ms
64 bytes from 10.32.6.240: icmp_seq=532 ttl=255 time=0.887 ms
64 bytes from 10.32.6.240: icmp_seq=533 ttl=255 time=0.853 ms
64 bytes from 10.32.6.240: icmp_seq=534 ttl=255 time=0.811 ms
64 bytes from 10.32.6.240: icmp_seq=535 ttl=255 time=0.871 ms
64 bytes from 10.32.6.240: icmp_seq=536 ttl=255 time=0.884 ms
64 bytes from 10.32.6.240: icmp_seq=537 ttl=255 time=0.898 ms
64 bytes from 10.32.6.240: icmp_seq=538 ttl=255 time=0.946 ms
64 bytes from 10.32.6.240: icmp_seq=539 ttl=255 time=0.908 ms
64 bytes from 10.32.6.240: icmp_seq=540 ttl=255 time=0.880 ms
64 bytes from 10.32.6.240: icmp_seq=541 ttl=255 time=0.850 ms

(unplugged the cable here or disabled ethernet interface)

64 bytes from 10.32.6.240: icmp_seq=715 ttl=255 time=1.18 ms
64 bytes from 10.32.6.240: icmp_seq=716 ttl=255 time=1.87 ms
64 bytes from 10.32.6.240: icmp_seq=717 ttl=255 time=1.15 ms
64 bytes from 10.32.6.240: icmp_seq=718 ttl=255 time=19.3 ms
64 bytes from 10.32.6.240: icmp_seq=719 ttl=255 time=2.34 ms

64 bytes from 10.32.6.240: icmp_seq=742 ttl=255 time=0.885 ms
64 bytes from 10.32.6.240: icmp_seq=743 ttl=255 time=38.0 ms
64 bytes from 10.32.6.240: icmp_seq=744 ttl=255 time=5.30 ms
64 bytes from 10.32.6.240: icmp_seq=745 ttl=255 time=0.861 ms
64 bytes from 10.32.6.240: icmp_seq=746 ttl=255 time=1.49 ms
64 bytes from 10.32.6.240: icmp_seq=747 ttl=255 time=4.57 ms
64 bytes from 10.32.6.240: icmp_seq=748 ttl=255 time=14.4 ms
64 bytes from 10.32.6.240: icmp_seq=749 ttl=255 time=6.42 ms

64 bytes from 10.32.6.240: icmp_seq=772 ttl=255 time=1.45 ms
64 bytes from 10.32.6.240: icmp_seq=773 ttl=255 time=28.0 ms
64 bytes from 10.32.6.240: icmp_seq=774 ttl=255 time=0.887 ms
64 bytes from 10.32.6.240: icmp_seq=775 ttl=255 time=17.3 ms
64 bytes from 10.32.6.240: icmp_seq=776 ttl=255 time=0.871 ms
64 bytes from 10.32.6.240: icmp_seq=777 ttl=255 time=25.3 ms
64 bytes from 10.32.6.240: icmp_seq=778 ttl=255 time=8.00 ms
64 bytes from 10.32.6.240: icmp_seq=779 ttl=255 time=28.3 ms

64 bytes from 10.32.6.240: icmp_seq=802 ttl=255 time=0.901 ms
64 bytes from 10.32.6.240: icmp_seq=803 ttl=255 time=0.892 ms
64 bytes from 10.32.6.240: icmp_seq=804 ttl=255 time=1.17 ms
64 bytes from 10.32.6.240: icmp_seq=805 ttl=255 time=0.926 ms
64 bytes from 10.32.6.240: icmp_seq=806 ttl=255 time=0.783 ms

64 bytes from 10.32.6.240: icmp_seq=830 ttl=255 time=0.848 ms
64 bytes from 10.32.6.240: icmp_seq=831 ttl=255 time=4.76 ms
64 bytes from 10.32.6.240: icmp_seq=832 ttl=255 time=0.844 ms
64 bytes from 10.32.6.240: icmp_seq=833 ttl=255 time=1.21 ms
64 bytes from 10.32.6.240: icmp_seq=834 ttl=255 time=1.15 ms
64 bytes from 10.32.6.240: icmp_seq=835 ttl=255 time=0.910 ms
64 bytes from 10.32.6.240: icmp_seq=836 ttl=255 time=0.854 ms
64 bytes from 10.32.6.240: icmp_seq=837 ttl=255 time=0.896 ms
64 bytes from 10.32.6.240: icmp_seq=838 ttl=255 time=17.1 ms
64 bytes from 10.32.6.240: icmp_seq=839 ttl=255 time=1.06 ms

64 bytes from 10.32.6.240: icmp_seq=862 ttl=255 time=3.62 ms
64 bytes from 10.32.6.240: icmp_seq=863 ttl=255 time=0.870 ms
64 bytes from 10.32.6.240: icmp_seq=864 ttl=255 time=0.856 ms
64 bytes from 10.32.6.240: icmp_seq=865 ttl=255 time=0.901 ms
64 bytes from 10.32.6.240: icmp_seq=866 ttl=255 time=0.891 ms
64 bytes from 10.32.6.240: icmp_seq=867 ttl=255 time=1.04 ms
64 bytes from 10.32.6.240: icmp_seq=868 ttl=255 time=16.1 ms
64 bytes from 10.32.6.240: icmp_seq=869 ttl=255 time=2.74 ms

64 bytes from 10.32.6.240: icmp_seq=892 ttl=255 time=0.884 ms
64 bytes from 10.32.6.240: icmp_seq=893 ttl=255 time=0.989 ms
64 bytes from 10.32.6.240: icmp_seq=894 ttl=255 time=1.58 ms
64 bytes from 10.32.6.240: icmp_seq=895 ttl=255 time=0.947 ms
64 bytes from 10.32.6.240: icmp_seq=896 ttl=255 time=0.908 ms
64 bytes from 10.32.6.240: icmp_seq=897 ttl=255 time=0.884 ms
64 bytes from 10.32.6.240: icmp_seq=898 ttl=255 time=0.882 ms
64 bytes from 10.32.6.240: icmp_seq=899 ttl=255 time=0.857 ms

64 bytes from 10.32.6.240: icmp_seq=923 ttl=255 time=4.26 ms
64 bytes from 10.32.6.240: icmp_seq=924 ttl=255 time=7.96 ms
64 bytes from 10.32.6.240: icmp_seq=925 ttl=255 time=22.6 ms
64 bytes from 10.32.6.240: icmp_seq=926 ttl=255 time=0.885 ms
64 bytes from 10.32.6.240: icmp_seq=927 ttl=255 time=10.3 ms
64 bytes from 10.32.6.240: icmp_seq=928 ttl=255 time=0.939 ms
64 bytes from 10.32.6.240: icmp_seq=929 ttl=255 time=1.23 ms

64 bytes from 10.32.6.240: icmp_seq=952 ttl=255 time=0.924 ms
64 bytes from 10.32.6.240: icmp_seq=953 ttl=255 time=0.931 ms
64 bytes from 10.32.6.240: icmp_seq=954 ttl=255 time=0.887 ms
64 bytes from 10.32.6.240: icmp_seq=955 ttl=255 time=0.884 ms
64 bytes from 10.32.6.240: icmp_seq=956 ttl=255 time=0.923 ms
64 bytes from 10.32.6.240: icmp_seq=957 ttl=255 time=1.30 ms
64 bytes from 10.32.6.240: icmp_seq=958 ttl=255 time=2.02 ms
64 bytes from 10.32.6.240: icmp_seq=959 ttl=255 time=1.16 ms

64 bytes from 10.32.6.240: icmp_seq=1010 ttl=255 time=0.856 ms
64 bytes from 10.32.6.240: icmp_seq=1011 ttl=255 time=0.917 ms

64 bytes from 10.32.6.240: icmp_seq=1062 ttl=255 time=0.841 ms
64 bytes from 10.32.6.240: icmp_seq=1063 ttl=255 time=1.00 ms
64 bytes from 10.32.6.240: icmp_seq=1064 ttl=255 time=0.924 ms
64 bytes from 10.32.6.240: icmp_seq=1065 ttl=255 time=0.832 ms
64 bytes from 10.32.6.240: icmp_seq=1066 ttl=255 time=0.827 ms
64 bytes from 10.32.6.240: icmp_seq=1067 ttl=255 time=1.14 ms
64 bytes from 10.32.6.240: icmp_seq=1068 ttl=255 time=1.02 ms
64 bytes from 10.32.6.240: icmp_seq=1069 ttl=255 time=3.00 ms
64 bytes from 10.32.6.240: icmp_seq=1070 ttl=255 time=0.884 ms
64 bytes from 10.32.6.240: icmp_seq=1071 ttl=255 time=0.892 ms
64 bytes from 10.32.6.240: icmp_seq=1072 ttl=255 time=0.859 ms
64 bytes from 10.32.6.240: icmp_seq=1073 ttl=255 time=1.47 ms
64 bytes from 10.32.6.240: icmp_seq=1074 ttl=255 time=0.946 ms
64 bytes from 10.32.6.240: icmp_seq=1075 ttl=255 time=2.57 ms
64 bytes from 10.32.6.240: icmp_seq=1076 ttl=255 time=0.897 ms
64 bytes from 10.32.6.240: icmp_seq=1077 ttl=255 time=2.53 ms

64 bytes from 10.32.6.240: icmp_seq=1128 ttl=255 time=0.914 ms
64 bytes from 10.32.6.240: icmp_seq=1129 ttl=255 time=0.790 ms
64 bytes from 10.32.6.240: icmp_seq=1130 ttl=255 time=0.895 ms
64 bytes from 10.32.6.240: icmp_seq=1131 ttl=255 time=1.14 ms
64 bytes from 10.32.6.240: icmp_seq=1132 ttl=255 time=0.916 ms
64 bytes from 10.32.6.240: icmp_seq=1133 ttl=255 time=1.32 ms
64 bytes from 10.32.6.240: icmp_seq=1134 ttl=255 time=0.883 ms
64 bytes from 10.32.6.240: icmp_seq=1135 ttl=255 time=0.886 ms
64 bytes from 10.32.6.240: icmp_seq=1136 ttl=255 time=0.804 ms
64 bytes from 10.32.6.240: icmp_seq=1137 ttl=255 time=0.862 ms
64 bytes from 10.32.6.240: icmp_seq=1138 ttl=255 time=0.835 ms
64 bytes from 10.32.6.240: icmp_seq=1139 ttl=255 time=8.12 ms

I made some newlines to show that there is no exact frequence. The acpi
messages from above only show up when I plug the cable, so I am no
longer certain that this issue is ACPI related.

I can see avahi messages in syslog and in auth.log:

from syslog: 
Nov 16 10:15:59 meik-Latitude-E7440 avahi-daemon[757]: Invalid response packet f
rom host 10.32.192.42.
Nov 16 10:15:59 meik-Latitude-E7440 avahi-daemon[757]: Invalid response packet f
rom host 10.32.192.117.
Nov 16 10:15:59 meik-Latitude-E7440 avahi-daemon[757]: Invalid response packet f
rom host 10.32.192.45.

(this is probably related to Bug #1342400 "avahi-daemon constantly
reporting "Invalid response packet from host" and can probably be
ignored)

from auth.log: 
Nov 16 10:20:25 meik-Latitude-E7440 dbus[727]: [system] Rejected send message, 10 matched rules; type="method_return", sender=":1.37" (uid=0 pid=1195 comm="/usr/sbin/dnsmasq --no-resolv --keep-in-foreground") interface="(unset)" member="(unset)" error name="(unset)" requested_reply="0" destination=":1.7" (uid=0 pid=790 comm="/usr/sbin/NetworkManager --no-daemon ")

Not sure anymore that my ethernet issue is ACPI related. The ACPI
messages are there, but maybe they are not related. My new suspect is
avahi/networkmanager/dnsmasq. I do some further investigations.

-- 
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https://bugs.launchpad.net/bugs/1516407

Title:
  Ethernet interface stops working after a few seconds

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  After plugging a ethernet cable into the laptop (Dell Latitude E7440),
  Network Manager picks up as expected, requests a IP address and
  configures the interface. After a couple of seconds, the interface
  stops working. The interface start to response to packets only after
  unplugging the cable and plugging it in again; disabling and enabling
  the interface does not help.

  With dmesg I can see some ACPI errors everytime I plug a cable:

  [   76.322029] e1000e: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: None
  [   81.345308] ACPI Error: Index value 0x0000000000000083 overflows field width 0x7 (20150619/exfldio-341)
  [   81.345329] ACPI Error: Method parse/execution failed [\NEVT] (Node ffff88040e0c7258), AE_AML_REGISTER_LIMIT (20150619/psparse-536)
  [   81.345344] ACPI Error: Method parse/execution failed [\_SB_.PCI0.LPCB.ECDV._Q66] (Node ffff88040e0c4b90), AE_AML_REGISTER_LIMIT (20150619/psparse-536)

  The 15 second gap between "Link is Up" and the ACPI error matches
  nicely the max. 15 ping echoes received.

  I found bug 1501993 " drivers/gpu/drm/i915/intel_display.c:12326
  check_crtc_state+0x2c5/0x440 [i915]() ", which has a completely
  different effect, but states exactly the same ACPI errors in comment
  #35.

  Tried BIOS A16, A10 and A04, also kernels  4.2.0-18-generic
  (current),  4.2.0-16-generic and the vanilla 4.3.0-040300-generic, but
  without any effect or changed behaviour.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: linux-image-4.2.0-18-generic 4.2.0-18.22
  ProcVersionSignature: Ubuntu 4.2.0-18.22-generic 4.2.3
  Uname: Linux 4.2.0-18-generic x86_64
  ApportVersion: 2.19.1-0ubuntu4
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  meik       1538 F.... pulseaudio
   /dev/snd/controlC1:  meik       1538 F.... pulseaudio
  CurrentDesktop: MATE
  Date: Sun Nov 15 19:56:08 2015
  HibernationDevice: RESUME=UUID=3fec7530-b539-4773-ac1e-c1357f0b9e52
  InstallationDate: Installed on 2015-04-22 (207 days ago)
  InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  MachineType: Dell Inc. Latitude E7440
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.2.0-18-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.2.0-18-generic N/A
   linux-backports-modules-4.2.0-18-generic  N/A
   linux-firmware                            1.149.2
  SourcePackage: linux
  UpgradeStatus: Upgraded to wily on 2015-10-23 (23 days ago)
  dmi.bios.date: 09/01/2015
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A16
  dmi.board.name: 0PPXP5
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvrA16:bd09/01/2015:svnDellInc.:pnLatitudeE7440:pvr00:rvnDellInc.:rn0PPXP5:rvrA00:cvnDellInc.:ct9:cvr:
  dmi.product.name: Latitude E7440
  dmi.product.version: 00
  dmi.sys.vendor: Dell Inc.

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References