On Saturday 01 September 2007 07:52, Dmitry Marin wrote: > System Information > Manufacturer: BenQ > Product Name: Joybook S31 > Version: > Serial Number: 9H00P11R0364406335DHT300 > UUID: 80F9339B-D064-0010-B856-00163691CDB5 > Wake-up Type: Power Switch > SKU Number: Not Specified > Family: Not Specified > > Handle 0x0002, DMI type 2, 8 bytes > Base Board Information > Manufacturer: BenQ > Product Name: Joybook S31 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