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[Darla <untrammeled@xxxxxxxxx>]

apport information

** Attachment added: "Lspci.txt"
   https://bugs.launchpad.net/bugs/1462108/+attachment/4410092/+files/Lspci.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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