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Message #119583
[Bug 1448441] Re: After upgrade to Ubuntu 15.04, wrong temperature readings after wake from suspend cause fan to go crazy
Juan Rada-Vilela, it will help immensely if you filed a new report via a terminal:
ubuntu-bug linux
Please feel free to subscribe me to it.
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https://bugs.launchpad.net/bugs/1448441
Title:
After upgrade to Ubuntu 15.04, wrong temperature readings after wake
from suspend cause fan to go crazy
Status in linux package in Ubuntu:
Incomplete
Bug description:
After I upgraded to Ubuntu 15.04, I started having problems with the
fan going crazy after I wake Ubuntu from suspend. At first, this only
happened on a few occasions when waking Ubuntu from suspend, but now
it seems to happen every time I wake it from suspend.
I'm guessing the fan goes full speed due to the wrong readings of the
temperature. "sensors" indicates temp4 as 100°C right after I wake
Ubuntu from suspend, but temp4 is usually only around 30-40°C.
The problem goes away when I restart Ubuntu. I had no problems of this
kind on previous versions of Ubuntu.
I'm not sure if the package responsible is "linux", but I assume it is
because of this:
https://wiki.ubuntu.com/Bugs/FindRightPackage#Suspend_and_Hibernate
ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: linux-image-3.19.0-15-generic 3.19.0-15.15
ProcVersionSignature: Ubuntu 3.19.0-15.15-generic 3.19.3
Uname: Linux 3.19.0-15-generic i686
ApportVersion: 2.17.2-0ubuntu1
Architecture: i386
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: macak 1564 F.... pulseaudio
CurrentDesktop: Unity
Date: Sat Apr 25 13:47:17 2015
EcryptfsInUse: Yes
InstallationDate: Installed on 2015-04-21 (3 days ago)
InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release i386 (20141022.1)
MachineType: Hewlett-Packard HP Compaq 6910p (RH239AV)
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-15-generic root=UUID=d68e56a7-69e6-43ce-b25b-20550f5e34bf ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.19.0-15-generic N/A
linux-backports-modules-3.19.0-15-generic N/A
linux-firmware 1.143
SourcePackage: linux
UpgradeStatus: Upgraded to vivid on 2015-04-24 (1 days ago)
dmi.bios.date: 11/04/2008
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: 68MCD Ver. F.17
dmi.board.name: 30C1
dmi.board.vendor: Hewlett-Packard
dmi.board.version: KBC Version 68.36
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.modalias: dmi:bvnHewlett-Packard:bvr68MCDVer.F.17:bd11/04/2008:svnHewlett-Packard:pnHPCompaq6910p(RH239AV):pvrF.17:rvnHewlett-Packard:rn30C1:rvrKBCVersion68.36:cvnHewlett-Packard:ct10:cvr:
dmi.product.name: HP Compaq 6910p (RH239AV)
dmi.product.version: F.17
dmi.sys.vendor: Hewlett-Packard
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References