On Sunday 04 November 2007 14:10, Iacopo Masi wrote: > System Information > Manufacturer: FUJITSU SIEMENS > Product Name: Amilo M1425 > Version: To Be Filled By O.E.M. > Serial Number: To Be Filled By O.E.M. > UUID: 4082AA1C-BEB9-D911-ADD3-D6DC313E4FEF > Wake-up Type: Power Switch > > Handle 0x0002, DMI type 2, 8 bytes > Base Board Information > Manufacturer: To be filled by O.E.M. (is this a production BIOS?) 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) ...in particular, please check sound, wifi, and hibernate. 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