Hi, it is funny that after running kernel 4.9 for a long time and an "old" BIOS on my motherboard for years , I get these error message only now, just after updating the bios to the last version ... Nov 9 13:05:09 thierrybo-desk kernel: [ 0.994303] ata3: SATA link up 3.0 Gbps (SStatus 123 SControl 300) Nov 9 13:05:09 thierrybo-desk kernel: [ 0.994701] ACPI Error: [DSSP] Namespace lookup failure, AE_NOT_FOUND (20160831/psargs-359) Nov 9 13:05:09 thierrybo-desk kernel: [ 0.994943] ACPI Error: Method parse/execution failed [\_SB.PCI0.SAT0.SPT5._GTF] (Node ffffa08f921d24d8), AE_NOT_FOUND (20160831/psparse-543) Nov 9 13:05:09 thierrybo-desk kernel: [ 0.995317] ACPI Error: [DSSP] Namespace lookup failure, AE_NOT_FOUND (20160831/psargs-359) Nov 9 13:05:09 thierrybo-desk kernel: [ 0.995548] ACPI Error: Method parse/execution failed [\_SB.PCI0.SAT0.SPT4._GTF] (Node ffffa08f921d2668), AE_NOT_FOUND (20160831/psparse-543) Nov 9 13:05:09 thierrybo-desk kernel: [ 0.995840] ata5.00: ATAPI: TSSTcorp CDDVDW SH-222AB, SB01, max UDMA/100 Nov 9 13:05:09 thierrybo-desk kernel: [ 0.995887] ACPI Error: [DSSP] Namespace lookup failure, AE_NOT_FOUND (20160831/psargs-359) Nov 9 13:05:09 thierrybo-desk kernel: [ 0.996119] ACPI Error: Method parse/execution failed [\_SB.PCI0.SAT0.SPT0._GTF] (Node ffffa08f921d2000), AE_NOT_FOUND (20160831/psparse-543) Nov 9 13:05:09 thierrybo-desk kernel: [ 0.996410] ata1.00: supports DRM functions and may not be fully accessible Nov 9 13:05:09 thierrybo-desk kernel: [ 0.996457] ACPI Error: [DSSP] Namespace lookup failure, AE_NOT_FOUND (20160831/psargs-359) Nov 9 13:05:09 thierrybo-desk kernel: [ 0.996687] ACPI Error: Method parse/execution failed [\_SB.PCI0.SAT0.SPT2._GTF] (Node ffffa08f921d20a0), AE_NOT_FOUND (20160831/psparse-543) Nov 9 13:05:09 thierrybo-desk kernel: [ 0.997005] ACPI Error: [DSSP] Namespace lookup failure, AE_NOT_FOUND (20160831/psargs-359) Nov 9 13:05:09 thierrybo-desk kernel: [ 0.997256] ACPI Error: Method parse/execution failed [\_SB.PCI0.SAT0.SPT1._GTF] (Node ffffa08f921d22d0), AE_NOT_FOUND (20160831/psparse-543) Nov 9 13:05:09 thierrybo-desk kernel: [ 0.997548] ata1.00: ATA-10: CT500MX500SSD1, M3CR010, max UDMA/133 Nov 9 13:05:09 thierrybo-desk kernel: [ 0.997551] ata1.00: 976773168 sectors, multi 1: LBA48 NCQ (depth 31/32), AA Nov 9 13:05:09 thierrybo-desk kernel: [ 0.997563] ata6.00: ATA-8: ST750LX003-1AC154, SM12, max UDMA/133 Nov 9 13:05:09 thierrybo-desk kernel: [ 0.997565] ata6.00: 1465149168 sectors, multi 16: LBA48 NCQ (depth 31/32) Nov 9 13:05:09 thierrybo-desk kernel: [ 0.997712] ata3.00: ATA-8: WDC WD5001AALS-00L3B2, 01.03B01, max UDMA/133 Nov 9 13:05:09 thierrybo-desk kernel: [ 0.997715] ata3.00: 976773168 sectors, multi 16: LBA48 NCQ (depth 31/32), AA Nov 9 13:05:09 thierrybo-desk kernel: [ 0.997793] ata2.00: ATA-8: ST500DM002-1BD142, KC45, max UDMA/133 Nov 9 13:05:09 thierrybo-desk kernel: [ 0.997796] ata2.00: 976773168 sectors, multi 16: LBA48 NCQ (depth 31/32) Nov 9 13:05:09 thierrybo-desk kernel: [ 0.998013] ACPI Error: [DSSP] Namespace lookup failure, AE_NOT_FOUND (20160831/psargs-359) Nov 9 13:05:09 thierrybo-desk kernel: [ 0.998249] ACPI Error: Method parse/execution failed [\_SB.PCI0.SAT0.SPT0._GTF] (Node ffffa08f921d2000), AE_NOT_FOUND (20160831/psparse-543) Nov 9 13:05:09 thierrybo-desk kernel: [ 0.998561] ata1.00: supports DRM functions and may not be fully accessible Nov 9 13:05:09 thierrybo-desk kernel: [ 0.998614] ACPI Error: [DSSP] Namespace lookup failure, AE_NOT_FOUND (20160831/psargs-359) Nov 9 13:05:09 thierrybo-desk kernel: [ 0.998861] ACPI Error: Method parse/execution failed [\_SB.PCI0.SAT0.SPT4._GTF] (Node ffffa08f921d2668), AE_NOT_FOUND (20160831/psparse-543) Nov 9 13:05:09 thierrybo-desk kernel: [ 0.999169] ata5.00: configured for UDMA/100 Nov 9 13:05:09 thierrybo-desk kernel: [ 0.999216] ACPI Error: [DSSP] Namespace lookup failure, AE_NOT_FOUND (20160831/psargs-359) Nov 9 13:05:09 thierrybo-desk kernel: [ 0.999480] ACPI Error: Method parse/execution failed [\_SB.PCI0.SAT0.SPT5._GTF] (Node ffffa08f921d24d8), AE_NOT_FOUND (20160831/psparse-543) Nov 9 13:05:09 thierrybo-desk kernel: [ 0.999813] ACPI Error: [DSSP] Namespace lookup failure, AE_NOT_FOUND (20160831/psargs-359) Nov 9 13:05:09 thierrybo-desk kernel: [ 1.000054] ACPI Error: Method parse/execution failed [\_SB.PCI0.SAT0.SPT2._GTF] (Node ffffa08f921d20a0), AE_NOT_FOUND (20160831/psparse-543) Nov 9 13:05:09 thierrybo-desk kernel: [ 1.000400] ACPI Error: [DSSP] Namespace lookup failure, AE_NOT_FOUND (20160831/psargs-359) Nov 9 13:05:09 thierrybo-desk kernel: [ 1.000660] ACPI Error: Method parse/execution failed [\_SB.PCI0.SAT0.SPT1._GTF] (Node ffffa08f921d22d0), AE_NOT_FOUND (20160831/psparse-543)