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Thread: 9.04 Still over heats.

  1. #1
    Join Date
    Sep 2008
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    Ubuntu 9.04 heating issues

    I just installed 9.04 today and I still have issues where it overheats when the CPU frequency is on anything below its maximum. My fan barely turns on at the lower frequencies and is frying my laptop. I can change the frequency with the CPU frequency scaling monitor, but the settings never stay. Whenever I reboot it defaults back to the lowest settings and starts frying again. Could someone help out so I can either keep my frequency settings or turn on my fan at the low frequency?
    Last edited by brandon88tube; April 25th, 2009 at 11:51 PM.

  2. #2
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    Re: 9.04 Still over heats.

    I am bumping this up and adding some more information to help with getting this fixed.

    When the computer is set to ondemand the temperature on the very left side of my laptop sky rockets to the point where it burns your finger if you touch any of the side ports, more so on the expansion port 2. I have added a picture of what I am talking about. I have a HP dv8000z (dv8240us) with an AMD Turion64 ML-40 processor. I have been unable to determine what the exact problem is. It may be due to too high of a voltage, the fan not coming on enough etc. Either way this has been present since my starting to use Linux in general. I even had this problem when trying different versions of Fedora out. I came up with a slight workaround to keep my fan running in turn cooling the laptop, but that wasn't a fix and now in Ubuntu 9.04 that option no longer exists. I really could use some help in trying to figure out what the problem is. Also, please don't comment on cleaning out my fan etc. because this is not the problem.


  3. #3
    Join Date
    Feb 2006
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    Germany
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    72

    Re: 9.04 Still over heats.

    Hi Brandon,

    It would be extremely helpful to have the output of
    sudo lshw

    (list hardware)

    You probably can find a few more commands to get the fan related data.

    Good luck,
    Jan

  4. #4
    Join Date
    Aug 2008
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    Re: 9.04 Still over heats.

    Overheating isn't usually caused by an operating system. The way a laptop normally works is there is a temperature sensor withing the CPU area. When it hits a certain temperature, it will adjust the fan speed accordingly. If you think your having an issue with it, look on the laptop makers website for any BIOS updates. They will frequently correct fan issues. Also make sure there isn't any dust within the fan assembly and heatsink.

    Good luck and let us know.

    P.S. Sorry for the dust comment. =[

  5. #5
    Join Date
    Apr 2008
    Location
    England
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    603
    Distro
    Ubuntu 10.04 Lucid Lynx

    Re: 9.04 Still over heats.

    I have a similar laptop, a HP DV2699ea which was running very hot and eventually caused the screen to freeze when it got too hot. Fortunately it was under an extended warranty so sent it back and the company I bought from installed a brand new motherboard.

    Now it runs far far cooler. This might, of course, be nothing related to your overheating issue, but it solved it for me.

  6. #6
    Join Date
    Aug 2008
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    Re: 9.04 Still over heats.

    Quote Originally Posted by Sub101 View Post
    I have a similar laptop, a HP DV2699ea which was running very hot and eventually caused the screen to freeze when it got too hot. Fortunately it was under an extended warranty so sent it back and the company I bought from installed a brand new motherboard.

    Now it runs far far cooler. This might, of course, be nothing related to your overheating issue, but it solved it for me.
    Your Right

    http://h10025.www1.hp.com/ewfrf/wc/d...77&lc=en&cc=us

    But the 8000 series is not part of the recall =[

    It seems like the same issue, but its not covered.

  7. #7
    Join Date
    Nov 2008
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    3

    Re: 9.04 Still over heats.

    I've had overheating problems with every version of Ubuntu including 9.04 on my Gateway MX6453 laptop. The fan will never turn on and the CPU hits 60C-62C and hovers there indefinitely. The laptop doesn't crash or overheat but it is very hot to use and it can't be good for the cpu.

    I installed lm-sensors and sensors-applet and added the hardware monitor thing to my panel. It says "CPU" is 50C, "temp1" is 50C, "Core0 Temp" and "Core1 temp" are both 61C. These later two seem like the actual CPU temperature. The interesting thing to me is that when going to the sensors-applet preferences menu under the "sensors" tab, under the sensor "acpi" it only lists the label "CPU" and not "core0 temp" or "core1 temp" which are under the sensor "libsensors". Maybe Ubuntu thinks the sensor labelled "CPU" is the real cpu temperature which says 50C and thinks everything is OK. Is there a way I can assign a different sensor label to the sensor "acpi" or have it use libsensors instead? Another strange thing is that I have nothing listed under /proc/acpi/fan/ and my /proc/acpi/thermal_zones/THRM/trip_points is lacking active" state information.

  8. #8
    Join Date
    Jan 2006
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    54

    Re: 9.04 Still over heats.

    I am having the exact same problem with a macbook pro santa rosa. I installed x86-64 but then decided to switch to i386. The machine gets boiling hot when unattended with nothing loaded. It is NOT a hardware problem - works fine x86-64, 8.10, 8.04, mac osx 10.4, 10.5

  9. #9
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    Re: 9.04 Still over heats.

    Here is the print out of lshw, but I had to chop out stuff that wasn't really needed in order to fit it in the message. I got rid of things like network, usb etc. that wouldn't pertain to the problem.
    Code:
    description: Notebook
        product: Pavilion dv8000 (ET833UA#ABA)
        vendor: Hewlett-Packard
        version: F.54
        width: 64 bits
        capabilities: smbios-2.31 dmi-2.31 vsyscall64 vsyscall32
        configuration: administrator_password=enabled boot=oem-specific chassis=notebook frontpanel_password=unknown keyboard_password=unknown power-on_password=disabled
      *-core
           description: Motherboard
           product: 309B
           vendor: Hewlett-Packard
           physical id: 0
           version: 49.63
         *-firmware
              description: BIOS
              vendor: Hewlett-Packard
              physical id: 0
              version: F.54 (02/08/2007)
              size: 103KiB
              capacity: 448KiB
              capabilities: pci pcmcia pnp upgrade shadowing cdboot bootselect int5printscreen int9keyboard int17printer int10video acpi usb agp ls120boot smartbattery
         *-cpu
              description: CPU
              product: AMD Turion(tm) 64 Mobile Technology ML-40
              vendor: Advanced Micro Devices [AMD]
              physical id: 4
              bus info: cpu@0
              version: Turion 64
              slot: U23
              size: 2200MHz
              capacity: 2200MHz
              width: 64 bits
              capabilities: fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt x86-64 3dnowext 3dnow up rep_good nopl pni lahf_lm cpufreq
            *-cache
                 description: L2 cache
                 physical id: 5
                 slot: L2 Cache
                 size: 1MiB
                 capacity: 1MiB
                 capabilities: synchronous internal write-back
         *-memory
              description: System Memory
              physical id: c
              slot: System board or motherboard
              size: 2GiB
            *-bank:0
                 description: DIMM DRAM Synchronous
                 physical id: 0
                 slot: JP11
                 size: 1GiB
                 width: 64 bits
            *-bank:1
                 description: DIMM DRAM Synchronous
                 physical id: 1
                 slot: JP30
                 size: 1GiB
                 width: 64 bits
         *-pci:0
              description: Host bridge
              product: RS480 Host Bridge
              vendor: ATI Technologies Inc
              physical id: 100
              bus info: pci@0000:00:00.0
              version: 01
              width: 32 bits
              clock: 66MHz
              configuration: latency=64
            *-pci:0
                 description: PCI bridge
                 product: RS480 PCI Bridge
                 vendor: ATI Technologies Inc
                 physical id: 1
                 bus info: pci@0000:00:01.0
                 version: 00
                 width: 32 bits
                 clock: 66MHz
                 capabilities: pci ht bus_master cap_list
               *-display UNCLAIMED
                    description: VGA compatible controller
                    product: Radeon XPRESS 200M 5955 (PCIE)
                    vendor: ATI Technologies Inc
                    physical id: 5
                    bus info: pci@0000:01:05.0
                    version: 00
                    width: 32 bits
                    clock: 66MHz
                    capabilities: pm bus_master cap_list
                    configuration: latency=66 mingnt=8
            *-pci:1
                 description: PCI bridge
                 product: RS480 PCI Bridge
                 vendor: ATI Technologies Inc
                 physical id: 4
                 bus info: pci@0000:00:04.0
                 version: 00
                 width: 32 bits
                 clock: 33MHz
                 capabilities: pci pm pciexpress msi ht bus_master cap_list
                 configuration: driver=pcieport-driver
            *-serial
                 description: SMBus
                 product: IXP SB400 SMBus Controller
                 vendor: ATI Technologies Inc
                 physical id: 14
                 bus info: pci@0000:00:14.0
                 version: 11
                 width: 32 bits
                 clock: 66MHz
                 capabilities: ht cap_list
                 configuration: driver=piix4_smbus latency=0 module=i2c_piix4
            *-ide
                 description: IDE interface
                 product: IXP SB400 IDE Controller
                 vendor: ATI Technologies Inc
                 physical id: 14.1
                 bus info: pci@0000:00:14.1
                 logical name: scsi0
                 logical name: scsi1
                 version: 00
                 width: 32 bits
                 clock: 66MHz
                 capabilities: ide msi bus_master cap_list emulated
                 configuration: driver=pata_atiixp latency=64 module=pata_atiixp
              *-isa
                 description: ISA bridge
                 product: IXP SB400 PCI-ISA Bridge
                 vendor: ATI Technologies Inc
                 physical id: 14.3
                 bus info: pci@0000:00:14.3
                 version: 00
                 width: 32 bits
                 clock: 66MHz
                 capabilities: isa bus_master
                 configuration: latency=0
            *-pci:2
                 description: PCI bridge
                 product: IXP SB400 PCI-PCI Bridge
                 vendor: ATI Technologies Inc
                 physical id: 14.4
                 bus info: pci@0000:00:14.4
                 version: 00
                 width: 32 bits
                 clock: 66MHz
         *-pci:1
              description: Host bridge
              product: K8 [Athlon64/Opteron] HyperTransport Technology Configuration
              vendor: Advanced Micro Devices [AMD]
              physical id: 101
              bus info: pci@0000:00:18.0
              version: 00
              width: 32 bits
              clock: 33MHz
         *-pci:2
              description: Host bridge
              product: K8 [Athlon64/Opteron] Address Map
              vendor: Advanced Micro Devices [AMD]
              physical id: 102
              bus info: pci@0000:00:18.1
              version: 00
              width: 32 bits
              clock: 33MHz
         *-pci:3
              description: Host bridge
              product: K8 [Athlon64/Opteron] DRAM Controller
              vendor: Advanced Micro Devices [AMD]
              physical id: 103
              bus info: pci@0000:00:18.2
              version: 00
              width: 32 bits
              clock: 33MHz
         *-pci:4
              description: Host bridge
              product: K8 [Athlon64/Opteron] Miscellaneous Control
              vendor: Advanced Micro Devices [AMD]
              physical id: 104
              bus info: pci@0000:00:18.3
              version: 00
              width: 32 bits
              clock: 33MHz
              configuration: driver=k8temp module=k8temp
      *-battery
           physical id: 1
           slot: Left Front
    EDIT: Forgot to mention that I have checked the HP website and it does not seem to have any newer bios versions then what I already have.
    Last edited by brandon88tube; April 27th, 2009 at 04:28 AM.

  10. #10
    Join Date
    Apr 2009
    Location
    Princeton, NJ
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    2
    Distro
    Ubuntu 9.04 Jaunty Jackalope

    Re: 9.04 Still over heats.

    Add me to the same problem. Just installed 9.04 on my old Dell D400. Ubuntu 8.10 (my first introduction to linux) ran great, although a little slow. Was really satisfied with how fast 9.04 runs, but the laptop heats up almost immediately. I'm using gkrell to run the fans at high speed, but that eats up the battery pretty fast. Wondering how I can cool things off.

    Alternatively, wondering how to revert back to 8.10 easily.......

    Keep it simple, I am a complete nubie - but I am still fairly adventurous with the terminal.

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