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Message #119882
[Bug 1457863] Re: interface eth0 disappears after network cable unplug/re-plug
apport information
** Tags added: apport-collected
** Description changed:
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.
** Attachment added: "AlsaInfo.txt"
https://bugs.launchpad.net/bugs/1457863/+attachment/4402323/+files/AlsaInfo.txt
--
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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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References
