Public bug reported:
Hello; networkmanager's applet reports that wifi is not enabled; in
almost five days of uptime my computer has spent over 28 minutes doing
wifi interrupt handling however. Something seems wrong.
$ ip link show wlan0
3: wlan0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN mode
DORMANT group default qlen 1000
link/ether 9c:4e:36:77:b2:88 brd ff:ff:ff:ff:ff:ff
top - 15:43:52 up 4 days, 16:29, 10 users, load average: 0.05, 0.12, 0.19
Tasks: 359 total, 1 running, 358 sleeping, 0 stopped, 0 zombie
%Cpu(s): 0.6 us, 0.9 sy, 0.0 ni, 98.0 id, 0.5 wa, 0.0 hi, 0.0 si, 0.0 st
KiB Mem : 15863836 total, 1666624 free, 2621708 used, 11575504 buff/cache
KiB Swap: 15998972 total, 15556812 free, 442160 used. 12511256 avail Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
1439 root 20 0 539636 79480 63804 S 1.7 0.5 109:40.17 Xorg
6152 sarnold 20 0 1597884 155208 39100 S 1.3 1.0 41:08.09 compiz
32 root 39 19 0 0 0 S 0.7 0.0 0:46.24 khugepaged
367 sarnold 20 0 199048 96972 7568 S 0.7 0.6 1:43.82 mutt
10560 root 20 0 0 0 0 S 0.7 0.0 0:00.82
kworker/u16:3
441 root -51 0 0 0 0 S 0.3 0.0 28:09.16
irq/31-iwlwifi
6672 sarnold 20 0 193596 30648 14896 S 0.3 0.2 5:04.94 urxvt
6676 sarnold 20 0 192464 78616 8500 S 0.3 0.5 0:17.70 urxvt
[...]
Thanks
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-109-generic 4.4.0-109.132
ProcVersionSignature: Ubuntu 4.4.0-109.132-generic 4.4.98
Uname: Linux 4.4.0-109-generic x86_64
NonfreeKernelModules: zfs zunicode zcommon znvpair zavl
ApportVersion: 2.20.1-0ubuntu2.15
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: sarnold 6182 F.... pulseaudio
CurrentDesktop: Unity
Date: Fri Jan 26 15:44:04 2018
HibernationDevice: RESUME=UUID=81b2976f-2830-4449-9dae-e1d44a43fa78
InstallationDate: Installed on 2012-10-18 (1926 days ago)
InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64
(20120823.1)
MachineType: LENOVO 2359CTO
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-109-generic
root=UUID=7b8c2e1b-d2e6-47d9-9030-c078e9701a1d ro quiet splash
crashkernel=384M-2G:128M,2G-:256M crashkernel=384M-2G:128M,2G-:256M
crashkernel=384M-2G:128M,2G-:256M vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.4.0-109-generic N/A
linux-backports-modules-4.4.0-109-generic N/A
linux-firmware 1.157.14
SourcePackage: linux
UpgradeStatus: Upgraded to xenial on 2016-04-30 (636 days ago)
dmi.bios.date: 09/13/2012
dmi.bios.vendor: LENOVO
dmi.bios.version: G4ET62WW (2.04 )
dmi.board.asset.tag: Not Available
dmi.board.name: 2359CTO
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvrG4ET62WW(2.04):bd09/13/2012:svnLENOVO:pn2359CTO:pvrThinkPadT530:rvnLENOVO:rn2359CTO:rvrNotDefined:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 2359CTO
dmi.product.version: ThinkPad T530
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug third-party-packages xenial
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https://bugs.launchpad.net/bugs/1745697
Title:
surprising amount of wifi interrupts given wifi is disabled
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