The report to
https://bugs.launchpad.net/ubuntu/+bug/370173/comments/129, take it from
me

I've started with my current kernel: 
Linux version 2.6.28-13-generic (bui...@palmer) (gcc version 4.3.3 (Ubuntu 
4.3.3-5ubuntu4) ) #44-Ubuntu SMP Tue Jun 2 07:57:31 UTC 2009

Before stress $ sensors
acpitz-virtual-0
Adapter: Virtual device
temp1:       +53.0°C  (crit = +97.0°C)                  
k8temp-pci-00c3
Adapter: PCI adapter
Core0 Temp:  +57.0°C  

Laptop shutdown after 8 min 30 sec under stress -cpu 16 --vm 2 --vm-bytes 128M
8 min 30 sec - that's the time I will use for all further tests
---

Next I switched back to Jaunty kernel:
Linux version 2.6.27-14-generic (bui...@vernadsky) (gcc version 4.3.2 (Ubuntu 
4.3.2-1ubuntu12) ) #1 SMP Fri Jun 5 10:14:59 UTC 2009

Before stress $ sensors
acpitz-virtual-0
Adapter: Virtual device
temp1:       +53.0°C  (crit = +97.0°C)                  
k8temp-pci-00c3
Adapter: PCI adapter
Core0 Temp:  +63.0°C   

After 8 min 30 sec stress $ sensors
acpitz-virtual-0
Adapter: Virtual device
temp1:       +74.0°C  (crit = +97.0°C)                  
k8temp-pci-00c3
Adapter: PCI adapter
Core0 Temp:  +85.0°C   
---

While installing 2.6.30 upcoming kernel got the following errors:
*  vboxdrv (2.1.4) Cannot install this module.
*  vboxnetflt (2.1.4) Cannot install this module.

Nevertheless
Linux version 2.6.30-020630-generic (r...@zinc) (gcc version 4.2.3 (Ubuntu 
4.2.3-2ubuntu7)) #020630 SMP Wed Jun 10 09:45:40 UTC 2009

Before stress $ sensors
acpitz-virtual-0
Adapter: Virtual device
temp1:       +41.0°C  (crit = +97.0°C)                  
k8temp-pci-00c3
Adapter: PCI adapter
Core0 Temp:  +45.0°C  

After 8 min 30 sec stress $ sensors
acpitz-virtual-0
Adapter: Virtual device
temp1:       +74.0°C  (crit = +97.0°C)                  
k8temp-pci-00c3
Adapter: PCI adapter
Core0 Temp:  +75.0°C 
---

Just like that: 2.6.30 seems promissing.

-- 
Ubuntu 9.04 laptop overheat and shutdown
https://bugs.launchpad.net/bugs/370173
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