This bug was fixed in the package linux - 3.18.0-11.12
---------------
linux (3.18.0-11.12) vivid; urgency=low
[ Leann Ogasawara ]
* Release Tracking Bug
- LP: #1414085
[ Andy Whitcroft ]
* SAUCE: arm64 -- psci tell the compiler which registers we are needing
values in
- LP: #1414002
-- Leann Ogasawara <leann.ogasaw...@canonical.com> Fri, 23 Jan 2015 09:10:09
-0800
** Changed in: linux (Ubuntu)
Status: In Progress => Fix Released
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https://bugs.launchpad.net/bugs/1413149
Title:
rtsx_usb_ms: system load immediately climbs, and stays above 1.00
Status in linux package in Ubuntu:
Fix Released
Status in linux source package in Utopic:
In Progress
Status in linux package in Debian:
Fix Released
Bug description:
SRU Justification:
[Impact]
Users of devices that use the rtsx_usb_ms module will experience false load
values due to an issue in this driver.
[Test Case]
Boot computer and monitor load levels.
[Fix]
This patch by Ben Hutchings: https://lkml.org/lkml/2014/11/5/905
Has been applied to Debian/3.16, and has been posted upstream.
--
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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