Vendor: American Megatrends Inc.
Version: F2h
Release Date: 01/07/2013
Product Name: To be filled by O.E.M.
[ 1.431693] ACPI Error: [DSSP] Namespace lookup failure, AE_NOT_FOUND (20121018/psargs-359)
[ 1.431697] ACPI Error: Method parse/execution failed [\_SB_.PCI0.SAT0.SPT3._GTF] (Node ffff8804184bc3e8), AE_NOT_FOUND (20121018/psparse-537)
[ 1.431729] ACPI Error: [DSSP] Namespace lookup failure, AE_NOT_FOUND (20121018/psargs-359)
[ 1.431731] ACPI Error: Method parse/execution failed [\_SB_.PCI0.SAT0.SPT1._GTF] (Node ffff8804184bc2f8), AE_NOT_FOUND (20121018/psparse-537)
[ 1.431849] ACPI Error: [DSSP] Namespace lookup failure, AE_NOT_FOUND (20121018/psargs-359)
[ 1.431853] ACPI Error: Method parse/execution failed [\_SB_.PCI0.SAT0.SPT0._GTF] (Node ffff8804184bc280), AE_NOT_FOUND (20121018/psparse-537)
[ 1.432790] ACPI Error: [DSSP] Namespace lookup failure, AE_NOT_FOUND (20121018/psargs-359)
[ 1.432794] ACPI Error: Method parse/execution failed [\_SB_.PCI0.SAT0.SPT1._GTF] (Node ffff8804184bc2f8), AE_NOT_FOUND (20121018/psparse-537)
[ 1.432863] ACPI Error: [DSSP] Namespace lookup failure, AE_NOT_FOUND (20121018/psargs-359)
[ 1.432867] ACPI Error: Method parse/execution failed [\_SB_.PCI0.SAT0.SPT0._GTF] (Node ffff8804184bc280), AE_NOT_FOUND (20121018/psparse-537)
[ 1.436910] ACPI Error: [DSSP] Namespace lookup failure, AE_NOT_FOUND (20121018/psargs-359)
[ 1.436917] ACPI Error: Method parse/execution failed [\_SB_.PCI0.SAT0.SPT2._GTF] (Node ffff8804184bc370), AE_NOT_FOUND (20121018/psparse-537)
[ 1.443006] ACPI Error: [DSSP] Namespace lookup failure, AE_NOT_FOUND (20121018/psargs-359)
[ 1.443012] ACPI Error: Method parse/execution failed [\_SB_.PCI0.SAT0.SPT2._GTF] (Node ffff8804184bc370), AE_NOT_FOUND (20121018/psparse-537)
[ 1.744907] ACPI Error: [DSSP] Namespace lookup failure, AE_NOT_FOUND (20121018/psargs-359)
[ 1.744922] ACPI Error: Method parse/execution failed [\_SB_.PCI0.SAT0.SPT3._GTF] (Node ffff8804184bc3e8), AE_NOT_FOUND (20121018/psparse-537)
3.8.0-23-generic #34-Ubuntu SMP
and custom 3.9.5 kernel
I read that it's Bios related, might be wrong
Also there have been a few bugs of settings not being saved properly when switching between uefi only and uefi+legacy, but that's not related to this.