Tested upstream kernel 4.1-rc4 => fixed, with the following kern.log
lines
May 23 14:27:49 host kernel: [ 188.368215] atl1c 0000:06:00.0: atl1c: eth0 NIC
Link is Down
May 23 14:28:03 host kernel: [ 202.373866] pciehp 0000:00:1c.5:pcie04: Card
not present on Slot(5)
May 23 14:28:03 host kernel: [ 202.373877] pciehp 0000:00:1c.5:pcie04:
slot(5): Link Down event
May 23 14:28:03 host kernel: [ 202.373902] pciehp 0000:00:1c.5:pcie04: Link
Down event ignored on slot(5): already powering off
May 23 14:28:03 host kernel: [ 202.378030] pciehp 0000:00:1c.5:pcie04: Card
present on Slot(5)
May 23 14:28:03 host kernel: [ 202.378211] pciehp 0000:00:1c.5:pcie04:
slot(5): Link Up event
May 23 14:28:03 host kernel: [ 202.378222] pciehp 0000:00:1c.5:pcie04: Link Up
event ignored on slot(5): already powering on
May 23 14:28:03 host kernel: [ 202.626189] atl1c 0000:06:00.0: MAC state
machine can't be idle since disabled for 10ms second
May 23 14:28:03 host kernel: [ 202.818099] pci 0000:06:00.0: [1969:1063] type
00 class 0x020000
May 23 14:28:03 host kernel: [ 202.818135] pci 0000:06:00.0: reg 0x10: [mem
0xd3200000-0xd323ffff 64bit]
May 23 14:28:03 host kernel: [ 202.818148] pci 0000:06:00.0: reg 0x18: [io
0x8000-0x807f]
May 23 14:28:03 host kernel: [ 202.818408] pci 0000:06:00.0: PME# supported
from D0 D1 D2 D3hot D3cold
May 23 14:28:03 host kernel: [ 202.818454] pci 0000:06:00.0: System wakeup
disabled by ACPI
May 23 14:28:03 host kernel: [ 202.826146] pci 0000:06:00.0: BAR 0: assigned
[mem 0xd3200000-0xd323ffff 64bit]
May 23 14:28:03 host kernel: [ 202.826163] pci 0000:06:00.0: BAR 2: assigned
[io 0x8000-0x807f]
May 23 14:28:03 host kernel: [ 202.826171] pcieport 0000:00:1c.5: PCI bridge
to [bus 06]
May 23 14:28:03 host kernel: [ 202.826177] pcieport 0000:00:1c.5: bridge
window [io 0x8000-0x8fff]
May 23 14:28:03 host kernel: [ 202.826185] pcieport 0000:00:1c.5: bridge
window [mem 0xd3200000-0xd45fffff]
May 23 14:28:03 host kernel: [ 202.826197] pcieport 0000:00:1c.5: bridge
window [mem 0xd9d00000-0xd9efffff 64bit pref]
May 23 14:28:03 host kernel: [ 202.826288] atl1c 0000:06:00.0: enabling device
(0000 -> 0002)
May 23 14:28:03 host kernel: [ 202.826360] do_IRQ: 0.226 No irq handler for
vector (irq -1)
May 23 14:28:03 host kernel: [ 202.854609] atl1c 0000:06:00.0: version
1.0.1.1-NAPI
May 23 14:28:03 host kernel: [ 202.874925] IPv6: ADDRCONF(NETDEV_UP): eth0:
link is not ready
-> re-plug here
May 23 14:28:15 host kernel: [ 214.069310] atl1c 0000:06:00.0: atl1c: eth0 NIC
Link is Up<100 Mbps Full Duplex>
May 23 14:28:15 host kernel: [ 214.069334] IPv6: ADDRCONF(NETDEV_CHANGE):
eth0: link becomes ready
Tested upstream kernel 3.14.1-trusty => fixed, with the following kern.log lines
May 23 14:40:34 host kernel: [ 135.049761] atl1c 0000:06:00.0: atl1c: eth0 NIC
Link is Down
-> re-plug here
May 23 14:41:35 host kernel: [ 195.412305] atl1c 0000:06:00.0: atl1c: eth0 NIC
Link is Up<100 Mbps Full Duplex>
Tested upstream kernel 3.13.11.11-trusty => fixed, same verbosity as
3.14.1-trusty.
** Tags removed: latest-bios-211
** Tags added: kernel-fixed-upstream-3.13.11.11-trusty
kernel-fixed-upstream-3.14.1-trusty kernel-fixed-upstream-4.1-rc4
latest-bios-211kernel-fixed-upstream
** Tags removed: latest-bios-211kernel-fixed-upstream
** Tags added: kernel-fixed-upstream latest-bios-211
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1457863
Title:
interface eth0 disappears after network cable unplug/re-plug
Status in linux package in Ubuntu:
Confirmed
Bug description:
The following bug is reproducible with linux-image-3.13.0-53-generic,
but not with linux-image-3.13.0-52-generic.
When I unplug the Ethernet cable from my laptop, I get the following messages
in /var/log/kern.log after a few seconds (~20s):
May 22 13:59:36 host kernel: [ 5498.465626] pciehp 0000:00:1c.5:pcie04: Card
not present on Slot(5)
May 22 13:59:36 host kernel: [ 5498.478755] pciehp 0000:00:1c.5:pcie04: Card
present on Slot(5)
May 22 13:59:36 host kernel: [ 5498.598744] pciehp 0000:00:1c.5:pcie04:
Device 0000:06:00.0 already exists at 0000:06:00, cannot hot-add
May 22 13:59:36 host kernel: [ 5498.598755] pciehp 0000:00:1c.5:pcie04:
Cannot add device at 0000:06:00
May 22 13:59:36 host kernel: [ 5498.718646] atl1c 0000:06:00.0: MAC state
machine can't be idle since disabled for 10ms second
Then, when I re-plug the cable, eth0 does not appear in network manager;
there is no message in kern.log.
eth0 does not appear in ifconfig -a
$ ifconfig -a
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:11586 errors:0 dropped:0 overruns:0 frame:0
TX packets:11586 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:16392353 (16.3 MB) TX bytes:16392353 (16.3 MB)
wlan0 Link encap:Ethernet HWaddr 48:5d:xx:xx:xx:xx
inet addr:192.168.xx.xx Bcast:192.168.xx.xx Mask:255.255.255.0
inet6 addr: fe80::xxxx:xxxx:xxxx:xxxx/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:19 errors:0 dropped:0 overruns:0 frame:0
TX packets:66 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:2651 (2.6 KB) TX bytes:12364 (12.3 KB)
I tried to reinitialize networking with the following:
sudo modprobe -r atl1c
sudo modprobe atl1c
Still no eth0 and no message in kern.log
I tried
$ sudo ifup eth0
Ignoring unknown interface eth0=eth0.
Same symptoms occur when I reboot my router, and its Ethernet
interface becomes temporarily unavailable.
Only way I found to restore eth0 was rebooting.
---
ApportVersion: 2.14.1-0ubuntu3.11
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: chewy 3002 F.... pulseaudio
/dev/snd/controlC0: chewy 3002 F.... pulseaudio
CurrentDesktop: KDE
DistroRelease: Ubuntu 14.04
EcryptfsInUse: Yes
HibernationDevice: RESUME=UUID=17ba1751-f706-417b-ac40-1b4a7be825d8
InstallationDate: Installed on 2012-12-29 (873 days ago)
InstallationMedia: Kubuntu 12.04 LTS "Precise Pangolin" - Release amd64
(20120423)
MachineType: ASUSTeK Computer Inc. N53Jq
NonfreeKernelModules: nvidia
Package: linux (not installed)
ProcFB: 0 VESA VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.13.0-53-generic
root=UUID=d48490d1-ca6a-448d-82e6-6397021cd403 ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 3.13.0-53.89-generic 3.13.11-ckt19
RelatedPackageVersions:
linux-restricted-modules-3.13.0-53-generic N/A
linux-backports-modules-3.13.0-53-generic N/A
linux-firmware 1.127.12
Tags: trusty
Uname: Linux 3.13.0-53-generic x86_64
UpgradeStatus: Upgraded to trusty on 2014-09-05 (259 days ago)
UserGroups: adm admin cdrom dialout disk fuse lpadmin mediatomb plugdev
sambashare vboxusers wireshark
_MarkForUpload: True
dmi.bios.date: 01/25/2011
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: N53Jq.211
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: N53Jq
dmi.board.vendor: ASUSTeK Computer Inc.
dmi.board.version: 1.0
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: ASUSTeK Computer Inc.
dmi.chassis.version: 1.0
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrN53Jq.211:bd01/25/2011:svnASUSTeKComputerInc.:pnN53Jq:pvr1.0:rvnASUSTeKComputerInc.:rnN53Jq:rvr1.0:cvnASUSTeKComputerInc.:ct10:cvr1.0:
dmi.product.name: N53Jq
dmi.product.version: 1.0
dmi.sys.vendor: ASUSTeK Computer Inc.
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