cpu temperature overhead when using compiz

Bug #161979 reported by guillem on 2007-11-11
2
Affects Status Importance Assigned to Milestone
Ubuntu
Undecided
Unassigned

Bug Description

When compiz is activated, the PC stops running suddenly and I must wait because the CPU temperature is over the threshold. My PC is:
Chipset: Intel dual core 64 bit.
Nvidia: Nvidia geforce 6 series (restricted driver).

lspci:
00:00.0 Host bridge: Intel Corporation 82945G/GZ/P/PL Memory Controller Hub (rev 02)
00:01.0 PCI bridge: Intel Corporation 82945G/GZ/P/PL PCI Express Root Port (rev 02)
00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 01)
00:1c.0 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 1 (rev 01)
00:1c.3 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 4 (rev 01)
00:1d.0 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #1 (rev 01)
00:1d.1 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #2 (rev 01)
00:1d.2 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #3 (rev 01)
00:1d.3 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #4 (rev 01)
00:1d.7 USB Controller: Intel Corporation 82801G (ICH7 Family) USB2 EHCI Controller (rev 01)
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev e1)
00:1f.0 ISA bridge: Intel Corporation 82801GB/GR (ICH7 Family) LPC Interface Bridge (rev 01)
00:1f.1 IDE interface: Intel Corporation 82801G (ICH7 Family) IDE Controller (rev 01)
00:1f.2 IDE interface: Intel Corporation 82801GB/GR/GH (ICH7 Family) SATA IDE Controller (rev 01)
00:1f.3 SMBus: Intel Corporation 82801G (ICH7 Family) SMBus Controller (rev 01)
02:00.0 Ethernet controller: Marvell Technology Group Ltd. 88E8053 PCI-E Gigabit Ethernet Controller (rev 19)
04:00.0 VGA compatible controller: nVidia Corporation NV43 [GeForce 6600] (rev a2)

I have had before Edgy with Beryl activated without any problems. Furthermore, when I don't use compiz, the PC runs OK!

guillem (serra-guillem) wrote :

 I've seen that I have the same problem running ubuntu without running compiz and It's not a hardware problem because I have also güindous XP installed and I haven't had this problem yet.
It's strange, but sometimes works fine and sometimes not, and It's not a question of which software is running (but I believe is something about how "many " process are running).

Travis Watkins (amaranth) wrote :

Compiz simply exposes the problem, this is a problem with the power/thermal management.

Do you have some idea how to solve it? Or some way to limit it?

2007/11/16, Travis Watkins <email address hidden>:
>
> Compiz simply exposes the problem, this is a problem with the
> power/thermal management.
>
> ** Changed in: ubuntu
> Sourcepackagename: compiz => None
>
> --
> cpu temperature overhead when using compiz
> https://bugs.launchpad.net/bugs/161979
> You received this bug notification because you are a direct subscriber
> of the bug.
>

guillem (serra-guillem) wrote :

Bug resolt. It was the fan!!
It's quite strange but probably ubuntu heats more the cpu than windows XP.

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