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Message #122078
[Bug 1462108] WifiSyslog.txt
apport information
** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/1462108/+attachment/4410101/+files/WifiSyslog.txt
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https://bugs.launchpad.net/bugs/1462108
Title:
kworker high cpu utilization
Status in linux package in Ubuntu:
Incomplete
Bug description:
I upgraded to vivid 15.04 on my HP Sleekbook (AMD A10 CPU) and it runs
very hot. Top shows kworker taking up 60-70% CPU immediately after
rebooting and not launching any programs.
top - 17:27:55 up 10 min, 3 users, load average: 2.93, 2.75, 1.51
Tasks: 205 total, 3 running, 202 sleeping, 0 stopped, 0 zombie
%Cpu(s): 22.8 us, 35.5 sy, 0.0 ni, 39.5 id, 0.2 wa, 0.0 hi, 1.9 si, 0.0 st
KiB Mem: 5233588 total, 4715036 used, 518552 free, 56484 buffers
KiB Swap: 5468156 total, 0 used, 5468156 free. 689644 cached Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
97 root 20 0 0 0 0 R 66.0 0.0 6:13.97 kworker/2:3
3512 darla 20 0 1020444 320036 61580 S 45.8 6.1 2:02.92 chrome
22 root 20 0 0 0 0 S 34.2 0.0 3:08.83 ksoftirqd/2
3493 darla 20 0 2868728 1.492g 39876 S 30.5 29.9 2:04.76 chrome
1033 root 20 0 351108 136976 90380 R 24.9 2.6 1:46.40 Xorg
3311 darla 20 0 1085248 205976 90288 S 17.6 3.9 1:26.52 chrome
2479 darla 9 -11 630432 10824 7760 S 6.3 0.2 0:13.21 pulseaudio
3342 darla 20 0 1109672 332000 135212 S 5.6 6.3 0:29.85 chrome
3467 darla 20 0 959564 184012 60188 S 3.0 3.5 0:21.64 chrome
77 root 20 0 0 0 0 S 1.7 0.0 0:08.37 kworker/1:1
2697 darla 20 0 388040 24652 18852 S 1.7 0.5 0:00.85 xfce4-term+
3483 darla 20 0 1039356 209628 64692 S 1.7 4.0 0:23.44 chrome
3561 darla 20 0 879172 146972 64124 S 1.0 2.8 0:07.04 chrome
50 root 20 0 0 0 0 S 0.7 0.0 0:05.24 kworker/0:1
---
ApportVersion: 2.17.2-0ubuntu1.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/pcmC1D0p: darla 2479 F...m pulseaudio
/dev/snd/controlC1: darla 2479 F.... pulseaudio
/dev/snd/controlC0: darla 2479 F.... pulseaudio
CurrentDesktop: XFCE
DistroRelease: Ubuntu 15.04
HibernationDevice: RESUME=UUID=ac85efbe-0ab6-41b5-9397-9eaebaf2f6f8
InstallationDate: Installed on 2015-01-25 (130 days ago)
InstallationMedia: Xubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
MachineType: Hewlett-Packard HP ENVY m6 Sleekbook
NonfreeKernelModules: fglrx
Package: linux (not installed)
ProcFB: 0 EFI VGA
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.19.0-18-generic.efi.signed root=/dev/mapper/xubuntu--vg-root ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 3.19.0-18.18-generic 3.19.6
RelatedPackageVersions:
linux-restricted-modules-3.19.0-18-generic N/A
linux-backports-modules-3.19.0-18-generic N/A
linux-firmware 1.143.1
RfKill:
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
Tags: vivid
Uname: Linux 3.19.0-18-generic x86_64
UpgradeStatus: Upgraded to vivid on 2015-05-03 (32 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 05/15/2013
dmi.bios.vendor: Insyde
dmi.bios.version: F.02
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 1995
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 04.20
dmi.chassis.asset.tag: Chassis Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnInsyde:bvrF.02:bd05/15/2013:svnHewlett-Packard:pnHPENVYm6Sleekbook:pvr0883100022305B00000320100:rvnHewlett-Packard:rn1995:rvr04.20:cvnHewlett-Packard:ct10:cvrChassisVersion:
dmi.product.name: HP ENVY m6 Sleekbook
dmi.product.version: 0883100022305B00000320100
dmi.sys.vendor: Hewlett-Packard
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