** Description changed: I've noticed this for a while when switching from wired to wireless ethernet on a number of different laptops and architectures (as well as versions of ubuntu - at least 10.10 and 10.04 and probably a few others previous). I am disconnecting from eth0 (physically unplugging the cable), and the v6 routes associated with this interface are not being removed from the kernel routing table. This includes the /64 physically - connected subnet's route as well as the default route. Please see the - output below + connected subnet's route as well as the default route. It is also + keeping the v6 interface addr for eth0 despite the link being down. + + + + Please see the output below + + r...@nova-rrawdon:~$ ip -6 addr sh + 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 + inet6 ::1/128 scope host + valid_lft forever preferred_lft forever + 2: eth0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qlen 1000 + inet6 2001:470:8:769:5e26:aff:fe08:562d/64 scope global dynamic + valid_lft 2591902sec preferred_lft 604702sec + inet6 fe80::5e26:aff:fe08:562d/64 scope link + valid_lft forever preferred_lft forever + 3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qlen 1000 + inet6 fe80::c2cb:38ff:fe06:f14/64 scope link + valid_lft forever preferred_lft forever r...@nova-rrawdon:~$ ip -6 ro sh 2001:470:8:769::/64 dev eth0 proto kernel metric 256 expires 2591570sec mtu 1500 advmss 1440 hoplimit 4294967295 fe80::/64 dev eth0 proto kernel metric 256 mtu 1500 advmss 1440 hoplimit 4294967295 fe80::/64 dev eth1 proto kernel metric 256 mtu 1500 advmss 1440 hoplimit 4294967295 default via fe80::200:24ff:feca:dcb8 dev eth0 proto kernel metric 1024 expires 1370sec mtu 1500 advmss 1440 hoplimit 64 r...@nova-rrawdon:~$ ip link - 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN - link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 + 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN + link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 2: eth0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN qlen 1000 - link/ether 5c:26:0a:08:56:2d brd ff:ff:ff:ff:ff:ff + link/ether 5c:26:0a:08:56:2d brd ff:ff:ff:ff:ff:ff 3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 - link/ether c0:cb:38:06:0f:14 brd ff:ff:ff:ff:ff:ff + link/ether c0:cb:38:06:0f:14 brd ff:ff:ff:ff:ff:ff 5: vboxnet0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000 - link/ether 0a:00:27:00:00:00 brd ff:ff:ff:ff:ff:ff - + link/ether 0a:00:27:00:00:00 brd ff:ff:ff:ff:ff:ff r...@nova-rrawdon:~$ uname -a Linux nova-rrawdon 2.6.35-22-generic #34-Ubuntu SMP Sun Oct 10 09:26:05 UTC 2010 x86_64 GNU/Linux - r...@nova-rrawdon:~$ cat /proc/version_signature + r...@nova-rrawdon:~$ cat /proc/version_signature Ubuntu 2.6.35-22.34-generic 2.6.35.4 ProblemType: Bug DistroRelease: Ubuntu 10.10 Package: linux-image-2.6.35-22-generic 2.6.35-22.34 Regression: No Reproducible: Yes ProcVersionSignature: Ubuntu 2.6.35-22.34-generic 2.6.35.4 Uname: Linux 2.6.35-22-generic x86_64 NonfreeKernelModules: nvidia wl AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23. Architecture: amd64 ArecordDevices: - **** List of CAPTURE Hardware Devices **** - card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog] - Subdevices: 1/1 - Subdevice #0: subdevice #0 + **** List of CAPTURE Hardware Devices **** + card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog] + Subdevices: 1/1 + Subdevice #0: subdevice #0 AudioDevicesInUse: - USER PID ACCESS COMMAND - /dev/snd/controlC0: ryan 2084 F.... pulseaudio - /dev/snd/pcmC0D0p: ryan 2084 F...m pulseaudio + USER PID ACCESS COMMAND + /dev/snd/controlC0: ryan 2084 F.... pulseaudio + /dev/snd/pcmC0D0p: ryan 2084 F...m pulseaudio CRDA: Error: [Errno 2] No such file or directory Card0.Amixer.info: - Card hw:0 'Intel'/'HDA Intel at 0xe9660000 irq 47' - Mixer name : 'IDT 92HD81B1C5' - Components : 'HDA:111d76d5,1028040a,00100104' - Controls : 14 - Simple ctrls : 9 + Card hw:0 'Intel'/'HDA Intel at 0xe9660000 irq 47' + Mixer name : 'IDT 92HD81B1C5' + Components : 'HDA:111d76d5,1028040a,00100104' + Controls : 14 + Simple ctrls : 9 Card1.Amixer.info: - Card hw:1 'NVidia'/'HDA NVidia at 0xe3080000 irq 17' - Mixer name : 'Nvidia GT21x HDMI' - Components : 'HDA:10de000b,10de0101,00100200' - Controls : 16 - Simple ctrls : 4 + Card hw:1 'NVidia'/'HDA NVidia at 0xe3080000 irq 17' + Mixer name : 'Nvidia GT21x HDMI' + Components : 'HDA:10de000b,10de0101,00100200' + Controls : 16 + Simple ctrls : 4 Date: Sun Oct 24 15:02:46 2010 EcryptfsInUse: Yes HibernationDevice: RESUME=UUID=06538aad-e115-4245-b93a-e3fdf592401b InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Alpha amd64 (20100831.2) MachineType: Dell Inc. Latitude E6410 ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-22-generic root=UUID=ecdab842-1204-4e81-9362-a48418ff725a ro quiet splash nomodeset ProcEnviron: - LANGUAGE= - PATH=(custom, user) - LANG=en_US.utf8 - SHELL=/bin/bash + LANGUAGE= + PATH=(custom, user) + LANG=en_US.utf8 + SHELL=/bin/bash RelatedPackageVersions: linux-firmware 1.38 RfKill: - 0: hci0: Bluetooth - Soft blocked: no - Hard blocked: no + 0: hci0: Bluetooth + Soft blocked: no + Hard blocked: no SourcePackage: linux dmi.bios.date: 07/08/2010 dmi.bios.vendor: Dell Inc. dmi.bios.version: A04 dmi.board.name: 0K42JR dmi.board.vendor: Dell Inc. dmi.board.version: A01 dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA04:bd07/08/2010:svnDellInc.:pnLatitudeE6410:pvr0001:rvnDellInc.:rn0K42JR:rvrA01:cvnDellInc.:ct9:cvr: dmi.product.name: Latitude E6410 dmi.product.version: 0001 dmi.sys.vendor: Dell Inc.
** Description changed: I've noticed this for a while when switching from wired to wireless ethernet on a number of different laptops and architectures (as well as versions of ubuntu - at least 10.10 and 10.04 and probably a few others previous). I am disconnecting from eth0 (physically unplugging the cable), and the v6 routes associated with this interface are not being removed from the kernel routing table. This includes the /64 physically connected subnet's route as well as the default route. It is also - keeping the v6 interface addr for eth0 despite the link being down. - - + keeping the v6 interface addr for eth0 despite the link being down. The + v4 connected routes and addresses do not persist after the media is + disconnected. Please see the output below r...@nova-rrawdon:~$ ip -6 addr sh - 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 - inet6 ::1/128 scope host - valid_lft forever preferred_lft forever + 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 + inet6 ::1/128 scope host + valid_lft forever preferred_lft forever 2: eth0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qlen 1000 - inet6 2001:470:8:769:5e26:aff:fe08:562d/64 scope global dynamic - valid_lft 2591902sec preferred_lft 604702sec - inet6 fe80::5e26:aff:fe08:562d/64 scope link - valid_lft forever preferred_lft forever + inet6 2001:470:8:769:5e26:aff:fe08:562d/64 scope global dynamic + valid_lft 2591902sec preferred_lft 604702sec + inet6 fe80::5e26:aff:fe08:562d/64 scope link + valid_lft forever preferred_lft forever 3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qlen 1000 - inet6 fe80::c2cb:38ff:fe06:f14/64 scope link - valid_lft forever preferred_lft forever - + inet6 fe80::c2cb:38ff:fe06:f14/64 scope link + valid_lft forever preferred_lft forever r...@nova-rrawdon:~$ ip -6 ro sh 2001:470:8:769::/64 dev eth0 proto kernel metric 256 expires 2591570sec mtu 1500 advmss 1440 hoplimit 4294967295 fe80::/64 dev eth0 proto kernel metric 256 mtu 1500 advmss 1440 hoplimit 4294967295 fe80::/64 dev eth1 proto kernel metric 256 mtu 1500 advmss 1440 hoplimit 4294967295 default via fe80::200:24ff:feca:dcb8 dev eth0 proto kernel metric 1024 expires 1370sec mtu 1500 advmss 1440 hoplimit 64 r...@nova-rrawdon:~$ ip link 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 2: eth0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN qlen 1000 link/ether 5c:26:0a:08:56:2d brd ff:ff:ff:ff:ff:ff 3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 link/ether c0:cb:38:06:0f:14 brd ff:ff:ff:ff:ff:ff 5: vboxnet0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN qlen 1000 link/ether 0a:00:27:00:00:00 brd ff:ff:ff:ff:ff:ff r...@nova-rrawdon:~$ uname -a Linux nova-rrawdon 2.6.35-22-generic #34-Ubuntu SMP Sun Oct 10 09:26:05 UTC 2010 x86_64 GNU/Linux r...@nova-rrawdon:~$ cat /proc/version_signature Ubuntu 2.6.35-22.34-generic 2.6.35.4 ProblemType: Bug DistroRelease: Ubuntu 10.10 Package: linux-image-2.6.35-22-generic 2.6.35-22.34 Regression: No Reproducible: Yes ProcVersionSignature: Ubuntu 2.6.35-22.34-generic 2.6.35.4 Uname: Linux 2.6.35-22-generic x86_64 NonfreeKernelModules: nvidia wl AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23. Architecture: amd64 ArecordDevices: **** List of CAPTURE Hardware Devices **** card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: ryan 2084 F.... pulseaudio /dev/snd/pcmC0D0p: ryan 2084 F...m pulseaudio CRDA: Error: [Errno 2] No such file or directory Card0.Amixer.info: Card hw:0 'Intel'/'HDA Intel at 0xe9660000 irq 47' Mixer name : 'IDT 92HD81B1C5' Components : 'HDA:111d76d5,1028040a,00100104' Controls : 14 Simple ctrls : 9 Card1.Amixer.info: Card hw:1 'NVidia'/'HDA NVidia at 0xe3080000 irq 17' Mixer name : 'Nvidia GT21x HDMI' Components : 'HDA:10de000b,10de0101,00100200' Controls : 16 Simple ctrls : 4 Date: Sun Oct 24 15:02:46 2010 EcryptfsInUse: Yes HibernationDevice: RESUME=UUID=06538aad-e115-4245-b93a-e3fdf592401b InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Alpha amd64 (20100831.2) MachineType: Dell Inc. Latitude E6410 ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.35-22-generic root=UUID=ecdab842-1204-4e81-9362-a48418ff725a ro quiet splash nomodeset ProcEnviron: LANGUAGE= PATH=(custom, user) LANG=en_US.utf8 SHELL=/bin/bash RelatedPackageVersions: linux-firmware 1.38 RfKill: 0: hci0: Bluetooth Soft blocked: no Hard blocked: no SourcePackage: linux dmi.bios.date: 07/08/2010 dmi.bios.vendor: Dell Inc. dmi.bios.version: A04 dmi.board.name: 0K42JR dmi.board.vendor: Dell Inc. dmi.board.version: A01 dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA04:bd07/08/2010:svnDellInc.:pnLatitudeE6410:pvr0001:rvnDellInc.:rn0K42JR:rvrA01:cvnDellInc.:ct9:cvr: dmi.product.name: Latitude E6410 dmi.product.version: 0001 dmi.sys.vendor: Dell Inc. -- ipv6 routes persist after media disconnect https://bugs.launchpad.net/bugs/665999 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
