Acording dmesg messages, i send acpidump output to analyse. My machine
is a notebook with sempron 3200, 1 gb of ram , hd 120 gb, chipset
nvidia, wireless realtek 8187. 

This message appers in dmesg

[   26.370244] ACPI Exception (thermal-0479): AE_ERROR, ACPI thermal
trip point state changed
[   26.370249] Please send acpidump to linux-acpi@vger.kernel.orgT

Tanks for any help

Fábio Ranquetat