[ 2091.229234] unregister_netdevice: waiting for lo to become free. Usage count
= 3
[ 2101.338376] unregister_netdevice: waiting for lo to become free. Usage count
= 3
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1197078
Title:
mininet created devices are not deleted correctly
Status in “linux” package in Ubuntu:
Confirmed
Status in “mininet” package in Ubuntu:
Confirmed
Bug description:
Raised upstream:
https://mailman.stanford.edu/pipermail/mininet-
discuss/2013-July/002473.html
Also seen in DEP-8 tests for Saucy:
https://jenkins.qa.ubuntu.com/job/saucy-adt-
openvswitch/28/ARCH=i386,label=adt/
Syslog extract:
Jul 1 10:57:42 autopkgtest ovs-vsctl: 00001|vsctl|INFO|Called as ovs-vsctl
del-br s2
Jul 1 10:57:42 autopkgtest kernel: [ 402.953438] device s2-eth3 left
promiscuous mode
Jul 1 10:57:42 autopkgtest kernel: [ 402.953588] device s2-eth4 left
promiscuous mode
Jul 1 10:57:42 autopkgtest kernel: [ 402.953724] device s2-eth7 left
promiscuous mode
Jul 1 10:57:42 autopkgtest kernel: [ 402.953853] device s2-eth6 left
promiscuous mode
Jul 1 10:57:42 autopkgtest kernel: [ 402.953986] device s2-eth2 left
promiscuous mode
Jul 1 10:57:42 autopkgtest kernel: [ 402.954049] device s2 left promiscuous
mode
Jul 1 10:57:42 autopkgtest ovs-controller: 00366|poll_loop|DBG|wakeup due to
[POLLIN] on fd 9 (127.0.0.1:6633<->127.0.0.1:40235) at ../lib/stream-fd.c:142
(0% CPU usage)
Jul 1 10:57:42 autopkgtest ovs-controller:
00367|rconn|DBG|tcp:127.0.0.1:40235: connection closed by peer
Jul 1 10:57:42 autopkgtest ovs-controller: 00368|rconn|DBG|void: entering
VOID
Jul 1 10:57:42 autopkgtest ovs-controller: 00369|poll_loop|DBG|wakeup due to
[POLLIN] on fd 6 (FIFO pipe:[44662]) at ../lib/fatal-signal.c:173 (0% CPU usage)
Jul 1 10:57:42 autopkgtest ovs-controller:
00370|fatal_signal|WARN|terminating with signal 15 (Terminated)
Jul 1 10:57:42 autopkgtest kernel: [ 403.376840] IPv6: ADDRCONF(NETDEV_UP):
s1-eth1: link is not ready
Jul 1 10:57:52 autopkgtest kernel: [ 413.552113] unregister_netdevice:
waiting for lo to become free. Usage count = 2
Jul 1 10:58:03 autopkgtest kernel: [ 423.792110] unregister_netdevice:
waiting for lo to become free. Usage count = 2
Jul 1 10:58:13 autopkgtest kernel: [ 434.032116] unregister_netdevice:
waiting for lo to become free. Usage count = 2
Jul 1 10:58:23 autopkgtest kernel: [ 444.272126] unregister_netdevice:
waiting for lo to become free. Usage count = 2
ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: mininet 2.0.0-0ubuntu1
ProcVersionSignature: Ubuntu 3.10.0-1.8-generic 3.10.0-rc7
Uname: Linux 3.10.0-1-generic x86_64
ApportVersion: 2.10.2-0ubuntu3
Architecture: amd64
Date: Tue Jul 2 19:17:36 2013
EcryptfsInUse: Yes
InstallationDate: Installed on 2013-04-23 (70 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130423)
MarkForUpload: True
SourcePackage: mininet
UpgradeStatus: Upgraded to saucy on 2013-06-15 (16 days ago)
---
AlsaVersion: Advanced Linux Sound Architecture Driver Version
k3.10.0-1-generic.
AplayDevices: Error: [Errno 2] No such file or directory
ApportVersion: 2.10.2-0ubuntu3
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/by-path',
'/dev/snd/controlC0', '/dev/snd/hwC0D0', '/dev/snd/pcmC0D0c',
'/dev/snd/pcmC0D0p', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info: Error: [Errno 2] No such file or directory
Card0.Amixer.values: Error: [Errno 2] No such file or directory
DistroRelease: Ubuntu 13.10
HibernationDevice: RESUME=UUID=bef939a0-3cc6-48d6-b35f-c20c153e248e
InstallationDate: Installed on 2013-05-20 (43 days ago)
InstallationMedia: Ubuntu-Server 13.10 "Saucy Salamander" - Alpha amd64
(20130520)
MachineType: Dell Inc. Vostro 1220
MarkForUpload: True
Package: mininet 2.0.0-0ubuntu1
PackageArchitecture: amd64
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.10.0-1-generic
root=/dev/mapper/hostname--vg-root ro
ProcVersionSignature: Ubuntu 3.10.0-1.8-generic 3.10.0-rc7
RelatedPackageVersions:
linux-restricted-modules-3.10.0-1-generic N/A
linux-backports-modules-3.10.0-1-generic N/A
linux-firmware 1.110
RfKill: Error: [Errno 2] No such file or directory
Tags: saucy saucy
Uname: Linux 3.10.0-1-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
dmi.bios.date: 10/15/2009
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.3.0
dmi.board.name: 0Y743R
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvr1.3.0:bd10/15/2009:svnDellInc.:pnVostro1220:pvr:rvnDellInc.:rn0Y743R:rvr:cvnDellInc.:ct8:cvr:
dmi.product.name: Vostro 1220
dmi.sys.vendor: Dell Inc.
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