On Saturday 13 October 2007 03:31, Siegfried Lösch wrote: > System Information > Manufacturer: Hewlett-Packard > Product Name: HP Pavilion dv9500 Notebook PC > Version: Rev 1 > Serial Number: CNF7364LT9 > UUID: 434E4637-3336-344C-5439-001B2496B6BB > Wake-up Type: Power Switch > SKU Number: GU135EA#ABD > Family: 103C_5335KV > > Handle 0x0002, DMI type 2, 8 bytes > Base Board Information > Manufacturer: Quanta > Product Name: 30CB Thanks for the dmidecode output. Do you notice any functional difference when booting with "acpi_osi=Linux" (default for 2.6.22 and earlier) vs. "acpi_osi=!Linux" (default for 2.6.23 and later) Also, please send me the output from acpidump. thanks, -Len ps If you don't have acpidump, you can get it from pmtools here: http://www.lesswatts.org/projects/acpi/utilities.php - To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html