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[Bug 1413149] Re: rtsx_usb_ms: system load immediately climbs, and stays above 1.00

 

** Bug watch added: Debian Bug tracker #765717
   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=765717

** Also affects: linux (Debian) via
   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=765717
   Importance: Unknown
       Status: Unknown

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Title:
  rtsx_usb_ms: system load immediately climbs, and stays above 1.00

Status in linux package in Ubuntu:
  In Progress
Status in linux source package in Utopic:
  In Progress
Status in linux package in Debian:
  Unknown

Bug description:
  I'm running 64 bit ubuntu 14.10 on an Asus  N550JK-DB74T laptop.  When I startup Ubuntu the system load climbs to 1.00 within a minute, and it never goes below 1.00 again, despite my processor being idle.  This behavior occurs in all the newer kernels I installed from   http://kernel.ubuntu.com/~kernel-ppa/mainline/  but when I installed the kernel from ubuntu 14.04, as well when I ran the ubuntu 14.04 from a usb the load average behaved normally, so the bug must have started in either kernel 3.15 or 3.16.
   
  When I posted this to ubuntu forums, a very helpful person able to point me to this bug report: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=765717 and to this  submitted patch https://lkml.org/lkml/2014/11/5/905 .  When I applied that patch to kernel 3.16 my issue was solved.  However it doesn't seem that this patch has been has been merged into the kernel, even though it was submitted well in time for the 3.19 merge window.  I was advised to file this bug report in the meantime.

  ProblemType: Bug
  DistroRelease: Ubuntu 14.10
  Package: linux-image-3.16.0-29-generic 3.16.0-29.39
  ProcVersionSignature: Ubuntu 3.16.0-29.39-generic 3.16.7-ckt2
  Uname: Linux 3.16.0-29-generic x86_64
  ApportVersion: 2.14.7-0ubuntu8
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  dave       2338 F.... pulseaudio
   /dev/snd/controlC0:  dave       2338 F.... pulseaudio
  CurrentDesktop: Unity
  Date: Wed Jan 21 05:14:38 2015
  InstallationDate: Installed on 2014-12-30 (22 days ago)
  InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
  MachineType: ASUSTeK COMPUTER INC. N550JK
  ProcEnviron:
   LANGUAGE=en_US
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-29-generic.efi.signed root=UUID=b5b33d3f-e01a-4d2b-824f-8883fbfed316 ro quiet splash acpi_osi= vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-3.16.0-29-generic N/A
   linux-backports-modules-3.16.0-29-generic  N/A
   linux-firmware                             1.138.1
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 09/26/2014
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: N550JK.208
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: N550JK
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK COMPUTER INC.
  dmi.chassis.version: 1.0
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrN550JK.208:bd09/26/2014:svnASUSTeKCOMPUTERINC.:pnN550JK:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnN550JK:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
  dmi.product.name: N550JK
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK COMPUTER INC.

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