i can confirm this, i was hoping that the kernel on Oneiric had some fixes for us x201 users but i have also noticed that the threshold is reached sooner than with the previous kernel.
my only question is: anyone knows if this is also the case under debian? im ready to migrate cause of this bug. On Mon, Dec 12, 2011 at 3:57 AM, Jeff Lane <[email protected]> wrote: > I can confirm that this also has passed on to Oneiric. Also, I think > this constant low fan speed HAS indeed caused some system damage from > long-term high temps. > > I'm seeing periodic failures of the wireless card after the system has > warmed up for a while. After doing some checking I noticed via sensors > that the temps were hitting ~85 degrees C and hovering there with the > fan set to auto. Since this doesn't adequately cool the machine down, I > think it's caused the wireless card to become flaky (this is the second > wireless card I've had in the machine). > > I've since set the fan to disengaged and it's currently running on AC at > ~5400 RPM and the system is MUCH cooler (around 70 deg C). > > This morning, the system had heated up to 97 deg C before I realized > what was going on. I've not hit the 100 deg threshold yet (or not in a > long time) but my x201 is also a Core i5, so that may account for it not > heating up as quickly as an i7 will. > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/751689 > > Title: > Thinkpads overheat due to slow fans when on 'auto' > > Status in “linux” package in Ubuntu: > Confirmed > Status in “linux” source package in Maverick: > In Progress > Status in “linux” source package in Natty: > Confirmed > Status in “thinkfan” package in Debian: > Fix Released > Status in “linux” package in Fedora: > Unknown > > Bug description: > On my Thinkpad x201s with an i7, if I utilize all of the CPUs/hyperthreads, > the machine can be made to overheat very quickly. This is because of the > default level setting of 'auto' in /proc/acpi/ibm/fan. On 'auto', the fan > only ever goes up to around 4500rpm, while in 'disengaged' mode it can go as > high as 6400rpm. At 4500rpm, the CPU continues to climb until the system is > forcibly shutdown at 100C. If I reload thinkpad_acpi like so: > $ sudo rmmod thinkpad_acpi > $ sudo modprobe thinkpad_acpi fan_control=1 > > Then I can set the fan to disengaged mode manually: > echo "level disengaged" > /proc/acpi/ibm/fan > > With this setting, I can utilize all of the CPUs for an extended time > and not surpass 85C, still pretty hot but well under the 100C range. > Furthermore, setting to level '7' (the supposed max fan speed) runs > the fan at ~5300, well below the maximum fan speed. > > In maverick this did not seem to be as much of a problem (perhaps > because of the lack of the big kernel lock in natty?). > > Related bugs: > https://bugzilla.redhat.com/show_bug.cgi?id=675433 > http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=610722 (against thinkfan > package, but demonstrates that other x201 users are having the same problem) > > ProblemType: Bug > DistroRelease: Ubuntu 11.04 > Package: linux-image-2.6.38-7-generic 2.6.38-7.39 > Regression: Yes > Reproducible: Yes > ProcVersionSignature: Ubuntu 2.6.38-7.39-generic 2.6.38 > Uname: Linux 2.6.38-7-generic x86_64 > AcpiTables: > Error: command ['gksu', '-D', 'Apport', '--', > '/usr/share/apport/dump_acpi_tables.py'] failed with exit code 1: > GNOME_SUDO_PASS > Sorry, try again. > sudo: 3 incorrect password attempts > AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23. > Architecture: amd64 > ArecordDevices: > **** List of CAPTURE Hardware Devices **** > card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog] > Subdevices: 1/1 > Subdevice #0: subdevice #0 > AudioDevicesInUse: > USER PID ACCESS COMMAND > /dev/snd/controlC0: jamie 2641 F.... pulseaudio > /dev/snd/pcmC0D0p: jamie 2641 F...m pulseaudio > CRDA: Error: [Errno 2] No such file or directory > Card0.Amixer.info: > Card hw:0 'Intel'/'HDA Intel at 0xf2520000 irq 43' > Mixer name : 'Intel IbexPeak HDMI' > Components : 'HDA:14f15069,17aa2156,00100302 > HDA:80862804,17aa21b5,00100000' > Controls : 12 > Simple ctrls : 6 > Card29.Amixer.info: > Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw > 6QHT28WW-1.09' > Mixer name : 'ThinkPad EC 6QHT28WW-1.09' > Components : '' > Controls : 1 > Simple ctrls : 1 > Card29.Amixer.values: > Simple mixer control 'Console',0 > Capabilities: pswitch pswitch-joined penum > Playback channels: Mono > Mono: Playback [on] > Date: Tue Apr 5 11:56:28 2011 > EcryptfsInUse: Yes > HibernationDevice: RESUME=UUID=58280e6e-d161-43ea-8593-a89fb7b6851a > InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100427.1) > MachineType: LENOVO 5129CTO > ProcEnviron: > LANGUAGE=en_US:en > PATH=(custom, user) > LANG=en_US.UTF-8 > SHELL=/bin/bash > ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-7-generic > root=UUID=82571cfb-fdda-4d2f-b708-f8924aa0fe21 ro quiet splash vt.handoff=7 > RelatedPackageVersions: > linux-restricted-modules-2.6.38-7-generic N/A > linux-backports-modules-2.6.38-7-generic N/A > linux-firmware 1.49 > SourcePackage: linux > UpgradeStatus: Upgraded to natty on 2011-02-24 (39 days ago) > dmi.bios.date: 04/20/2010 > dmi.bios.vendor: LENOVO > dmi.bios.version: 6QET44WW (1.14 ) > dmi.board.name: 5129CTO > dmi.board.vendor: LENOVO > dmi.board.version: Not Available > dmi.chassis.asset.tag: No Asset Information > dmi.chassis.type: 10 > dmi.chassis.vendor: LENOVO > dmi.chassis.version: Not Available > dmi.modalias: > dmi:bvnLENOVO:bvr6QET44WW(1.14):bd04/20/2010:svnLENOVO:pn5129CTO:pvrThinkPadX201s:rvnLENOVO:rn5129CTO:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable: > dmi.product.name: 5129CTO > dmi.product.version: ThinkPad X201s > dmi.sys.vendor: LENOVO > > To manage notifications about this bug go to: > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/751689/+subscriptions -- http://trueque.labsurlab.co/ https://n-1.cc/pg/profile/alejo -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/751689 Title: Thinkpads overheat due to slow fans when on 'auto' To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/751689/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
